Chevy 350 rattling noise at idle

chevy 350 rattling noise at idle Mar 23, 2010 · Joined Jan 4, 2010. Sep 20, 2016 · The first noise you described sounds like valve lifter noise. I have a 96 Tahoe with 139000 miles on it and it has a little lifter noise when I first start it cold. This is a result of the internal gear mechanism wearing down. Jul 12, 2009 · I start up the car and let it idle for 3 or 4 minutes. This can produce a rattling noise from within the engine. Dec 27, 2013 · This last July 2013 I received a letter from GM with a notice of some 2010 2. I'm hoping that someone can help as the problem I have seems to be quite common. had a noise in the front end when ever i would go over bumps. A loud “smacking”, or knocking noise often signifies a much more severe internal engine issue than a tick. Pulled the engine and threw $4800 into machining, new heads new internals and a lot of labor. The noise can’t be heard inside the cabin and can only heard outside. My 98 Tahoe makes valve lifter noise when I do a cold start like overnight. OH MAN, was that a freakin BLAST. It sounds like it is coming from around the crankshaft pulley area. Service manuals, electrical schematics and bulletins for 1995 to current GM vehicles. Worn Pulley Bearings. It will be a faint sound when the car is idling in ‘park’ mode, but the volume and frequency will increase in proportion to acceleration. The noise does not go with the idle of the engine. Re: 350 v-8 has miss at idle 11-29-04 10:28 AM - Post# 530375 In response to ranman If your replacement engine is from the mid seventies, you could be losing a lobe on the cam, chevy had a problem those years with it's case hardening process. Everything was done right and I have a rattle in it. Could this be a sticky lifter or something more serious? I cranked in a lot of advance on the 350 sbc which resulted in great throttle response. replaced them. Some audio, not very good but shows there is some sort of noise/rattling that occurs when shifting from neutral to drive. I assume this isn't normal since the Muncie in my 69 doesn't have that same clanking noise. Jun 18, 2009 · If the noise is only a lighly audible knock at hot idle under 1,200 rpm, do not attempt to repair this normal engine noise. stulec52 · Registered. Once I hit the gas the rattle/vibration stops. Re: Vibration and. I tracked it down to the serpentine belt and the tensioner, it's moving quite a bit. Nov 18, 2014 · anyone had this problem with a borg warner t56 trans fitted few years ago using a wier hot rods bell housing to a 350 small block with a isky 280 mega cam box sounds real bad at idle box was new when fitted , removed and striped down trans and found nothing wrong rebuilt with new bearings fitted new mcloud clutch ,trans is great to drive and shifts perfect , problem is at idle but as soon as . Rattling Noise from Driveshaft/Transmission Area. melott. I have looked all over it for something loose but can't find it. Question type: Maintenance & Repair. If the noise only exists when accelerating and is nowhere to be found when in idle, you can be certain that sort of friction issue is going on. Jul 06, 2004 · 350 small block knock at idle rpms. Also try some carburator cleaner as you could have some crud in there. 12 ratings. I could hear the rattling noise over on the passenger side ever so faint. That car AC fan noise is loud and distracting but the good news is, the fix can be relatively simple. Seems to be coming from the rear of the engine possibly in the turbo area. I did notice that the rattle does get a little quieter after about 20 mins, but the pattern of the intermittent chain rattle remains the same even when the rpms are raised, makes the same pattern of rattling only faster and quicker. Nov 04, 2014 · Out of the blue about a few days ago, my truck started rattling really bad at idle, almost like as if it was on the 12v tune, but it wasnt. The noise is there only when I accelerate, no matter slow or fast speed . After warming to around 130 degrees the noise stops, and the engine sounds normal. Jul 26, 2012 · It has a rattle noise at idle, im pretty sure it just does it when its warmed up , no other way to explain it , it def coming from inside the trans, its not real loud buy loud enough to annoy the shit out of me is their a way to tell if the 5th gear nut is loose without removing the transmission. You will hear this sound if the engine is low on oil. It doesn't do it when cranking, it's only when the car first starts up (more noticeable on cold start-up). Dec 17, 2008 · I have a 2003 Chevy Avalanche, and a rattling noise is coming from the motor; I took my vehicle to the mechanic, and he tought that the noise was caused by a belt or something related to; later that day he called me and told me that the noise was coming from inside the motor, and that he had taken the motor oil cover to check it out, and he found some metal residues on the motor oil, then he . My wife said the other day she misses my Duramax, and in regard to the noise while driving, I would have to agree. Greetings people. Some 2016-2017 Mustang GT350 equipped with the 5. Solution: Replace the starter motor. i have a chevy 350 small block that knocks at idling rpms. the engine also tends to overheat at high speeds regardless of a good cooling system. when the engine is cool, there is no knocking, but once it gets warmed up it starts aknockin'. Ticking noise on idle 2015 2LT. If so, idle quality could be slightly worse with the wrong PCV valve as well, may have very slight off-idle hesitation issues too. Feb 17, 2002 · Just got the exhaust on the 350 sbc and now I am hearing a ticking noise from under the valve cover for the first time. Only makes the noise at idle. This noise does not indicate that there is any problem with the supercharger or that any parts are damaged. Now for the my Adjust-A-Cover. May 26, 2014 · Wondering if anybody can help me out. -A few things to note can only be heard from side of truck on inside (very annoying) no recent work/changes were done prior to the noise occuring Aug 02, 2017 · Under the hood, rattling noises suggest the water pump is ready to fail. The car is a 1978 Firebird, it has a rebuilt (I have no specs at all) Chevy 350 the previous owner dropped in. I have a 91' Camaro RS. e. Feb 20, 2015 · Ever since that oil change, the car has been making a very noticeable rattling noise only when my foot is on the gas slightly, and only while moving. It sounds like a lifter noise, but I have checked and rechecked valve lash countless times. If you don’t deal with it, that engine rattling sound will never go away. Discussion Starter · #1 · Feb 1, 2012. You may have something as simple as your mixture off a bit for idle, you may also want to check/change your fuel filter as it could be clogged and not providing enough fuel at idle. Aug 22, 2021 · Rattling Sound. it only happens when my truck is accelerating at low RPMs, usually when driving in parking lots. Jul 02, 2008 · Re: Mercruiser 350: clicking noise at high RPM When you adjusted the lash, did you turn the engine over until the lifters were all the way in the down position? You have to adjust each valve when it's all the way in the down position, or you're going to have a noisy valve train. Feb 18, 2021 · A bad torque converter could be the origin of rattling sound when accelerating at low speed. #12 · Jul 5, 2020. I have a rattle noise also that rattles at an idle and as the rpm's come down when free rev'd. Validate the repair by checking for noise or vibration at 1800-2200 engine RPM. Hello, Im new to the Forum and plan to be on here a good bit. Ball Joint Replacement - Lower. 2009 2. 6 Duramax in the full-size trucks, from 2004. Sep 20, 2008 · 85 Chevy Silverado C10 short, wide, yellow, 2wd. May 02, 2011 · 76 Posts. The 90 degree elbow in the PCV Valve hose at the base of the throttle body to the PCV valve is common to either fall off or have a hole in it. Any damage to these parts can cause a loud whining noise, as these parts spin rapidly any time the engine is running. I think the noise is coming from underneath the car and not the engine. Brand: PCE. 5 and on, they have used variable vane or variable geometry turbos (2001 to 2004 used fixed vane turbos), so at idle, they would switch from open to close on the vanes depending what the engine needed, thus giving you a different exhaust tone. Temp gets to about 150 or so. 5 out of 5 stars. There are several causes for the engine to rattle while idling. 7L has had the same loud, oil pressure related rattle on startup, from when it was new. Like if a bolt was backed out and a washer was smacking around on it. Mar 23, 2010 · Discussion Starter · #1 · Mar 23, 2010. Jun 27, 2014 · Don't forget to mention TSB #14-0114 "Intermittent Rough Idle, Rattle Noise While Driving. The heat shields are used between the exhaust and the underside of the vehicle to keep the vehicle cool . My engine has recently developed a knocking noise which sounds horrific. Only the crank and block were original after all was done. New cap, rotor, plugs, wires, air filter and PCV valve. The hose is available in the "HELP" section at any Auto Parts store. the knock is pretty deep sounding and sounds as if it is . It rattles when I idle after driving for a little while, and I've noticed the RPM's drop slightly when it does this for a few seconds, and then after the few seconds it returns to normal, no more rattling and no RPM drop. 85000 miles on the engine, presumably never rebuilt. If a "cat" has come apart inside, it will create high Hc (hydro carbons) for one and a bad rattle at idle and when initially accelerating. found that i needed a . When this happens, you may hear a rattling noise or ticking noise from the engine. Advised to put some more miles on it and then bring it back in. Chevrolet Tracker Rattling Noise Repair Symptoms. Feb 17, 2013 · How did the pump push rod cause noise? I have a 350/383. Most of the time the engine will idle at a higher RPM a suction sound can be heard. My 1990 G30 van (350 v8, auto) has a rattling noise which happens at idle (but only in Drive and Reverse), and when driving between certain speeds. Joined . Almost like a metal on metal "ting ting" sound. Two turns of the screws and all was fixed. This happens for a one or two second interval at idle, stops for about 30 seconds and repeats. I looked around and felt around and swore it was in the dash. any ideas or info? Chevy 350 valve lifter noise. Whenever i park somewhere and just idle, i hear a graudual rattle. I have a 2007 2. Feb 10, 2016 · 2013 Chevy Cruze. It goes away when I push the clutch pedal in. Was only able to take it for about 40 mins. Mar 07, 2013 · The noise sounds like a rattling. Iowan said: I have a 2004 LLY Duramax and its recently started making a rattling noise. Oct 28, 2018 · Discussion Starter · #1 · Oct 28, 2018 (Edited) My buddy has this SBC 350. Now, while idling/warming up the engine occasionally a tapping/rattling noise comes from the engine. Nov 16, 2009 · My Chevelle makes this rattling noise when I accelerate. Installed them and the noise is gone. Mar 28, 2008 · Discussion Starter · #1 · Mar 28, 2008. I thought it was the transmission. They would compare it to another 2014 running/idling at that time. Joined Oct 11, 2006. I said screw it and went and bought two new rear O2's ($67. Mar 27, 2019 · Discussion Starter · #6 · Mar 27, 2019. When the timing belt or serpentine belt is ready to go, you probably won’t hear a rattle. 9. I only hear the noise when the car is idling, not when under power (possible masked by the increased engine noise). This is because kicking on the AC puts more of a load on the belt, which can expose any weaknesses that could be causing it to move unevenly through the pulleys. Discussion Starter · #1 · May 2, 2011. It sounds like a thin metal plate sound. the most common knock out of a 350 is a lifter, a rod, fuel pump rod if you have a mechanical fuel pump, or loose bolts holding the torque converter on, How loud is the noise and what part of the engine is it coming from. In my 1992 Chevy Silverado, 5. This can be because the lifter has become worn out, as is the case usually . 17. 99 Posts. It's not loose and doesn't appear to be damaged. If your vehicle has rear-wheel drive, with its engine mounted lengthwise, your engine may have a fan clutch to regulate the operation of its engine-mounted cooling fan. I thought it was in the trans, but i had a new trans built for it and the noise is still there. If this were to happen, the supercharger may develop a noticeable rattle noise at idle. Sounds almost like something is loose, or a pulley is loose or something, and sometimes when coming to a stop at a red light, it makes a random clunk and rattle noise intermittently. It is . Has loud ticking at idle, under no-load conditions, and a general clatter over 1800rpm. Sep 05, 2015 · Asked by Henrycardaropoli67 Sep 05, 2015 at 07:12 AM about the 1979 Chevrolet Camaro. Jump to Latest Follow 1 - 4 of 4 Posts. 2L engine may exhibit a rattle or rapping type sound during cold operation at light loads and speeds from Idle- 3000 RPM. I read in 1 forum (i think not on this website) that this issue might have been coming from the heat shield . It changes if the rpm is raised, a/c is turned on or steering is turned. I looked under the hood, the belt seems fine, no cracks, the A/c compressor is kicking on like normal. Jul 25, 2015 · Chevy Traverse. Place a tiny bit of water on them and see if the noise temporarily subsides. I believe it has to do with low RPM's and the gears not having a load on them (which causes them to not be as tightly meshing). About a month ago I posted on my developing engine marbles (87 a/t 127k) - this rattling noise like loose nuts and bolts occurred mostly at shutdown but progressed so that it was present often at idle. The old PCV valve had a bunch of sludge in it and would not rattle during idle or shaken. Noise happens between 45-55mph, 60-65mph, and sometimes under acceleration at any speed. For a street engine, do a total of 3/4 of a turn preload. The ES350 has a transverse mounted engine, meaning the accessory belt, alternator, A/C compressor etc. Some automakers (e. The most common fix is to tighten or replace your engines various belts. Belt Noise. Jun 19, 2017 · The clutch needle roller bearing inside the clutch hub can also make a clicking noise if it goes dry. Jul 21, 2020 · Rattling Noise From the Engine . #7 · Nov 14, 2008. 1991 Chevy Camaro Odd rattling noise in engine. Oct 18, 2016 · Hey guys. Stops around 900 RPM. Here are the most common causes of a rattling sound in your Silverado: Exhaust. Engine knocking is also generally far more serious than ticking. In an overhead cam engine, the camshaft lobes themselves depresses the valve while in single cam engines, the cam actuates push rods that open the valves by moving a lever called the rocker arm. I was hearing a rattling, clattering, type noise at a idle. I localized the noise and found it's a small cylindrical housing, a 1/2" rubber hose runs into . It sounds like something rattling. Tech Section. As it begins to fail, your oil pump could make a bit of . . Thank you for your input. 4L 3V engine may exhibit an intermittent rattle noise while driving from idle up to 1200 RPM when the engine is at operating temperature. Valve lifter noise is detrimental and should be addressed quickly. 3 2014 - Silverado makes a clattering noise while running/idling in park. The sound doesn't stop or start with A/C on or off or blower fan motor. Water pump was changed recently due to a Jun 25, 2007 · Recently purchased a 16ft Tahiti , Hardin Marine 350 Chevy, Berkley 12JE-A. Rattle noise when car is idle. I just did a tune up on a 02 Dodge Dakota 3. Now with the new one it rattles at idle but stops when RPM is raised. It's a stock 1980 driver, rebuilt the engine 20k miles ago. While the noise is present, before warming, the . Engine size is 350. rebs. Jul 13, 2012 · It's like an extremely loud rattling/clanking noise. Mine is doing the same thing, only mine doesn't have the CVT. You can't post conmments that contain an email address. It's also not every time you start it, only when it's been sitting awhile (such as over night). For a street/strip engine, do a total of 1/2 turn. 0 liter vortec gasser and it was throwing the P0300 random cylinder misfire code which I think I may have fixed but lately it has been making a rattle noise at 1000-1500 RPM's and only there. If you have high mileage, you could benefit from the next higher viscosity oil. Dec 31, 2008 · 3 Posts. The noise returned almost as soon as I lit off the new engine, very subtle though. Jan 11, 2012 · SLOWLY tighten the rockker arm 1/4 turn. 02-15-2008, 05:06 AM. Preliminary Information Bulletin - #PI0202D - Rattle or Knock Type Noise from Front of Engine at Idle - (Oct 2, 2012) - For 2011 Chevrolet Equinox. Feb 15, 2008 · chevy 350 vortec lifter noise. Dec 02, 2006 · Still have not found the source or cause. #5 · Mar 24, 2010. Your valves have to open and close once for every 2 times your engine spins around. It lasts for a few seconds, then disappears to reappear a few seconds later. An expert that has 1 follower. If so, grab a wrench and get to work. bearings. The shift from neutral to drive occurs at about the 4 second mark of the audio. 86000 miles. May 31, 2016 · A rattle or banging noise from the exhaust system might not be an external problem. Oct 07, 2018 · Hi all. 1 Posts. How to Check for Slack in Your Timing Chain Besides diagnosing a rattling noise coming from the front engine cover, you can do the following check. Nov 14, 2018 · Joined Jul 5, 2020. " "They all do it!" I told him that it was unacceptable and to tell the GM rep that this will be my last Chevy truck. Jun 25, 2000 · 330 Posts. But when I put it on the rack and checked, it turned out to be the shield on one of the catalytic converts had come loose. Sep 14, 2013 · The Muncie 4-speed in my 65 SS has a noticeable, annoying rattle when idling in neutral. New. Some of you mentioned this noise preceded your torque tube replacement. but its fine just run the hell outta it ,it wont hurt . Participant. 7L V8, the engine purrs like a kitten if you rev it up in park, but once you're in gear and rolling, the valves rattle like a symphony of little hammers anywhere over 1500 RPMs. It's a rattle as if something was loose. Same Thing. The other causes are the AC compressor clutch, idler pulley, or belt tensioner. I thought it's valves, but I recently had them done. The engine starts, idles and runs fine, but it has a nasty knocking sound under heavy load/acceleration. Shook the O2 sensors, they didn't make much noise. Nov 13, 2012 · my truck makes a rattling noise at idle, in any gear, at any rpm over 1000 it goes away. After about 10-15 seconds or so, the . What you’ll hear is a clattering, tinny metal noise when you idle. Aug 05, 2014 · I was positive I had a slightly noisy lifter in my sbc Chevy too. It is making a pronounced metallic rattling sound coming from the drivers side front in perfect sync with the normal diesel chatter. It has 106k miles on it. Valves in my Chevy 350 rattling under load, but not during idle. Start going and push in my clutch to go to 2nd and when I do, I hear a metal type rattle under my car. what . Oct 29, 2019 · A rattling engine can be caused be the exhaust, timing chain, loose accessories, and much more. My 04 suburban did the same thing and it was 2 of the rubber hangers on the muffler and tailpipe. An expert who has achieved level 1. Aug 01, 2011 · I've got an 04 Jetta and it's got a rattling noise at idle. BUT as soon as it's under load (acceleration of the vehicle) it will start rattling at I guess 2500 RPM. When the oil level gets too low, there can be a situation where air gets pumped through the engine, along with the reduced amount of oil that remains. Joined Feb 1, 2015. Mar 14, 2013 · Rattling noise where is it. Feb 12, 2007 · Cold or Hot. the knock is pretty deep sounding and sounds as if it is coming from the driver side, in the very back of the engine. | 10 answered questions. xx each). Do all of the lifters on that head and repeat this process on the other cylinder head. This increased load can cause rattles from things like the power steering pump pulley, loose parts (even a loose hood prop rod can rattle under th additional vibrations created by operating your air conditioner). If your car’s drive, or serpentine, belt is itself starting to wear out, it can also cause a rattling sound when you use your air conditioner. Feb 01, 2012 · 2006 CTS 3. Besides a rattling noise, this will upset timing, preventing valves and pistons synchronization, and loss of engine power. Dec 18, 2018 · Again, I still have no check engine light. Maintenance/Repairs. 2006 CHEVROLET COLORADO. Mar 22, 2016 · Secondary timing chains might produce a rattling sound during engine start up until oil pressure builds. The sensation is often felt in the floorboard. 4. As I recall, the push rod was too short and the play in it caused a 'knocking' noise - it was slight, but just after assembling a new engine, any foreign noise was a concern. Feb 14, 2012 · 08-06-01-019: Rattle/Tapping Type Noise Heard Under Hood (Diagnose and Replace Engine Oil Tank Transfer Tube Seal ) - (Aug 13, 2008) My car is out of warrenty by time, so I got quoted 450 from my Chevrolet dealer to get this done, I just did an oil change so Im going to wait. Apr 06, 2008 · Whats up guys, Hey I have a 2003 3500HD with the 6. Nov 18, 2020 · Whether you hear a faint, rattling, or grinding noise when your AC or heater is blowing lightly, or one that’s so bad it seems like your dashboard is vibrating when you have it turned up, it doesn’t necessarily mean something serious is wrong. Also sounds like i have an old noisy double disc clutch. Dec 13, 2011 · I just moved from NM to MI 2 weeks ago. I put a summit 1104 cam lifters in it new. Its been making the rattling noise on startup a couple times a week now, and when I changed the oil this last weekend I saw a lot of metal flakes on the inlet of the filter . TH350 trans. I'll check on it further once I get the replacement and get ready to do the swap. its not a consistant rattle but more random and comes and goes whenever it pleases. catalytic converter. This bulletin is found in the Equinox, Terrain (VIN L) Service Manual. Jan 05, 2016 · Discussion Starter · #6 · Jan 6, 2016. Chevy 882 heads redone valves springs retainers locks ect. Fuel injectors are small electrical valves that make clicking and ticking sounds when quickly opening and closing at idle. 75,000 MILES. #2 · Jun 25, 2000. Motor runs fine. M. There’s a higher chance of hearing catalytic converter rattle noise when cold. You may need to sell a car with a blown engine at this point. Cleaning out the oil return holes atop the cylinder heads did not solver the problem (although I'm sure the heads are happy to be relieved of 20+ years of carbon buildup. However, when the engine heats up it is hard to start. Haven't found any evidence of that, just a description. May 12, 2016 · 16 years of experience. Oil has been changed regularly. I have a bone stock 350 out of a 74 nova. The Chevy dealer said that it was "normal. Bad fan clutch. i could feel it in the floor. The lifter noise is not heard at higher RPMs because the oil pressure is higher as the engine speed gets higher. once you get above idling rpms, the knocking goes away completely and the engine runs very smooth. It will generally sound more like a "rattle" though. g. SSM 46173 – Some 2016-2017 GT350 Mustangs Might Exhibit Piston Rattle From Idle To 3000 RPM. 7 Posts. I am hoping it's just something loose, but my friend Mike, who has never . The fan clutch can fail and produce a rattling noise. Does not happen at fast idle during warm up. My engine produces fairly audible rattling noise under acceleration in 3000-5500rpm range, no matter the speed or gear. No hesitation and does not run rough. Apply a little gas and the rattle noise stopped. I can hold the brake in gear and throttle it and it will have the clacking noise. That bearing only functions at idle and is unlikely to be causing noise at your sort of mileage. GM's solution is to remove the plate. Second probability, if you have the feeling that the hot engine rattling is related to the combustion of your engine, there are three possible causes of this one. Dealer affirmed hearing it saying may be injector noise. Otherwise, car runs fine. A faulty VVT solenoid can prevent the VVT actuator from getting the oil pressure it needs. This fits your . Once you wore through the "too thin" hard layer, a lobe would wear down real fast. Turned out, my front license plate was a little loose, and the vibration at idle speed was just wrong to make it vibrate. Most PCV valve's weights are marked for loading, might look into the engine port of the valves and see if you can see an ID, either number (s) or letter (s). AUTOMATIC. Since it is a bit expensive to change this component, you probably want to know how to quiet a rattling catalytic converter sound . Its been doing this for the last few days and is consistent. But when I push on the pedal, it makes the noise. Baffles or other components inside of mufflers can come loose and cause internal rattles. So ive been driving the car with it like this for a few days now. A lifter tick is caused when the push rod or camshaft doesn't make continuous contact with the lifters. Feb 03, 2014 · My 5. its the wrist pin that holds the piston to the crankshaft. HEI distributor. I'm not exactly sure what it is but it's pretty loud. Dec 21, 2020 · Car making ticking noise could be a normal affair depending on the design of the engine. It doesn't lose power, it just rattles, guite loudly though. . It may even sound like it’s coming from the engine. #11 · Jul 24, 2014 (Edited) My 2008 Colorado 3. I have a 2008 2. K. I was amazed at how incredibly fast it was. this is what happened to me. This only happens at idle either in or out of gear. It could indicate the last stage of the converter’s life. Have a weird question. Feb 05, 2009 · originally posted by 64 [email protected] 5 2009, 11:28 am~12914254 i got a chevy 350 with edelbrock intake holly carb,, wen i push on gas to a higher rpm then it starts to do the popping sound threw my carb, is this caused by 1 of my lobes worn out on my cam shaft?? Jul 07, 2007 · Again it was just a noise and not a rattle I could feel. Check the oil level and add if necessary. If it's pinging it sounds strange to me, and I have tried changing timing with no luck so far. I drive a 6-speed manual. Last week, I noticed that my engine sounded a bit strange while cold at idle - 1500rpm. Average repair cost is $230 at 45,350 miles. I'm thinking it was the pump? Feb 17, 2020 · By the turbo I mean, on the 6. I own a 1989 Kawasaki EN-454 LTD. Compression was 110-115# in 6 or 8 cyl, (couldn't access the last 2 due to header placement). Feb 06, 2014 · February 6, 2014 at 1:40 pm #573318. As soon as you come off idle, even in neutral, the noise stops. My truck gets a rattling noise when your feathering the throttle when the rpms are somewhere between 1500 and1900 rpms. It really sounds like I have a loose washer or plate of some type. 2WD. At first we thought it was the air conditioning compressor which is giving trouble, but it does it when the air is off too. S. Noise. Missing air deflector fasteners #PIC5874: Fluttering Rattling or Thumping Type Noise Above 45 MPH - (Jun 12, 2013) Subject: Fluttering Rattling or Thumping Type Noise Above 45 MPH Models: 2011 - 2014 Chevrolet Cruze 2012 -2014 Buick Verano Mar 22, 2016 · The sound occurs off idle, only in Drive when accelerating/cruising. Ford) have technical service bulletins (TSBs) for this concern. 23 Posts. Lowered, 60-over 350 with Dart Iron Eagle heads and Comp Cams XE268 cam, TH350 w/ shift kit, 3. 13,055 Posts. Today's vehicles have very complicated valve systems, many with variable valve timing, yet they are often relatively trouble-free. I recently noticed that there’s a rattling sound when the car in in idle (800RPM) but it disappear when I rev it up to higher RPM or while driving. 258 Posts. The noise also only appears when it is warmed (engine running for about 3 - 5 minutes after cold start . It sounds like the motor is falling apart. Mar 27, 2012 · Lastly, your oil pump may begin to make noise if it isn't working properly. I have noticed though that if I rev the engine high whilst under load, the sound clears itself for a few trips, but then comes back. When revving the engine up even just a little bit, the noise is no longer heard. 0 Diesel LT which has done about 130K. Put the car up on jack stands and poked around underneath for a few minutes. Oct 09, 2008 · Premium Member. Hook the timing light to any one cylinder and watch the flash illuminate the timing mark. Engine Rattling Causes: Chevy Silverado. Apr 18, 2019 · 2. 6 CYL. Almost like something loose smacking. 6L with about 80k miles. Hope this helps. It's really been making a lot of noise lately. It will do it in park at those rpm's and will only. Jeff. If I put some pressure on the tensioner the noise goes away. The lifters are small parts that open and close the engine valves, activated by oil (hydraulic) pressure. Feb 14, 2011 · My equinox runs great except engine makes a strage noise when the vehicle idles at stoplights and such. Some 2004-2010 F-150, 2005-2010 F-Super Duty 250/350, 2005-2013 Expedition, Navigator and 2006-2008 Mark LT vehicles equipped with 5. Jun 17, 2004 · When sitting in the garage and idling, it will gladly take the accelerator right up to WOT, without any audible valve train noise or anything. The rattle could be part of the failed emmisions test i. but the idle on the carb is really high right now, and the second start up it was already . If you put the car in park and rev the motor there is no noise. Feb 17, 2011 · The noise is only heard at idle (750RPM) and goes away if the engine is revved up. Once the cat reaches temperature, you may not hear it . 40 Gov-lok 12 bolt. It has no discernible pattern, but seems to be happening faster than the idle. The noise is similar to an old typewriter click sound. When the AC turns on, it puts the entire engine under a heavier load. It does it about once every 2-3 seconds. ·. For example, fuel injected engines can make a car ticking from the injector’s firing. Jul 06, 2015 · It will occur at idle and increases as you rev the engine, continuing even when the engine is warm. 2L V8 engine (LSA), may have a condition where the engine’s supercharger may not function as designed. Let me know what the readings are. Engine Rattling At Idle Catalytic Converter Problems. If you hear a rattling noise that sounds like it’s coming from under your vehicle, it’s very likely coming from your catalytic converter. My truck started to have a rattle/vibration at idle. However, the A/C system has been completely removed, including the belt that goes around the pulley. With your car, the heat shield or an under engine shield is most likely. When I give it the throttle quickly it jumps from 1 to 20. Feb 25, 2020 · The engine of my Chevrolet Silverado is doing some rattling noise when hot because of combustion problem. Jan 10, 2017 · About 10 or so seconds after starting, while at idle, our engine starts making a low, deep, growling, rattling noise. Jan 22, 2021 · While a ticking noise is higher pitched and closer in context to a rattling of sorts, engine knock sounds more like a repetitive hammering and is often much louder. Nov 20, 2015 · There are many other potential sources of the noise as well. Im having an issue with my engine on my 1995 Tahoe. Sep 28, 2019 · The rattle is like a metallic vibration sound that only happens when the car is idling and stopped, never when its moving or throttled over its idle rpm. Aug 14, 2017 · 2. Valve train noises occur at half of crankshaft speed so even if your ear can't tell whether the noise is happening at 700 rpm (raps per minute) or only 350 rpm, your eyes can. Tapped each cat, no noise. 6L. Joined Sep 3, 2011. Apr 22, 2020 · Some 2009-2013 model year Cadillac CTS and 2012-2013 model year Chevrolet Camaro vehicles, equipped with a 6. 4l having a problem with balance chain pins that wear and that it Can cause an engine noise. On the driver's side. In some cases, the timing belt pulley bearing may be causing the noise. But no. 17. There does not seem to be a problem except . Mar 29, 2021 · A rattling catalytic converter happens after thousands of miles of driving, causing loss of performance, rattling noise, and other symptoms to your vehicle. I need some ideas. A "clunk" or "knock" when turning or going over bumps can indicate a problem with a ball joint. Nov 04, 2015 · Thewholeenchelada. When It gets fairly low on gasoline there is a part that starts to vibrate horribly causing what sounds to be metal on metal clashing. #3 · Nov 19, 2011. July 4, 2016, 7:55pm #1. #5 · Nov 14, 2015. are off to one side, probably the passenger side if the setup is like my RX350 that shares the same engine with the ES. 9xx up to engine # 30 365996 replace check valves & chain tensioners, from 30 365997 up to 30 406603 valves only. As your car ages, the engine can consume, burn, or leak oil. Rattling noise from the engine only under load/acceleration. I also only hear the noise when a load is put on the alternator (headlights on, blower motor running, etc. Nov 18, 2011 · Joined Oct 4, 2007. May 11, 2015 · Although the idle noise is always quiet (I can actually order in the drive-throughs now), the driving noise is really getting on my nerves. Aug 24, 2005 · My clutch is holding 100% at a low idle (why wouldn't it), how would the clutch cause the gears to make a noise in the tranny (unless it's not grabbing completely). The 2012 Chevrolet Sonic has 5 problems reported for sway bar link rattle. #2 · Jan 2, 2009. Let it warm up. I noticed a "rattling" noise immediately after starting my car this morning. Save Share. Can someone tell me if there's something seriously wrong with my. The rattling noise isn't there when the car is in park. couldn't believe that would shake a big truck like that but it did. It's been there since I bought the bike. Newly built Chevy 350 (96-99) “rattling” sound with slight throttle. Engine/Drivetrain. I have a 1973 Chevy 350 engine new pistons new rods. Engine has been making a knocking/tapping noise at idle that sounds EXACTLY like in this video ( ). 10-P-056435, 276. I know my 2010 was much quiete. MP3 Audio Link. to any of you guys that are goin crazy with a front end rattle and can't find it. Also it does it worse when it's cold and it sounds like its just below your feet or maybe . STOP and wait ten seconds. Just drove it for the time today. " Ford F-150 lincoln navigator Lincoln Mark LT Ford Expedition SUV pickup truck recall Jan 27, 2012 · The fix for this problem can be as simple as pulling the valve covers and adjusting the valves, or as involved as replacing all of the lifters in your car's engine. I've never ever had to replace one on my 400 or any of the other 400's I service on a regular basis and those bikes have huge mileages on them. I think the part is a DORMAN# 46001. This is a less common problem than some of the others presented here. It went away after maybe 5 seconds or so. (Thats probably the best way to describe it), But its an automatic lol. If engine # is within range reference bulletin LI05. The exhaust system is one of the most common culprits that can make it sound like your Chevy Silverado’s engine is rattling. If the belt itself isn't to blame, the squeaking noise you're dealing with might be due to bad pulleys. Mar 19, 2011 · No noise. Price: $71. Jul 25, 2005 · Third: I have noticed a noise coming from the serpentine belt area. If you have the NPP exhaust, and the optional "dress up" plate between the exhaust tips, the tips of the NPP will actually hit the plate while at idle or when you hit a bump. Sort of sounds like a bad bearing on a wheel, or a harmonic sound which is related a certain RPM. Hello-congrats on your new Trax,the engine has a timing chain,I would check with the dealer,is the idle rough,possibly a heat shield under the car vibrating, is it all the time or just early in the day 1st thing in the morning. At 800 rpm, my vacuum fluctuates fairly steadily between 14 and 16. Apr 15, 2009 · I have a pretty fresh 350 in one of our 68's that makes a clacking sound under load. 3. The best way to minimize both piston slap and valve lifter click is to keep the oil changed on schedule with 5W-30 synthetic, as well as keep it full. My car is an '06, 3. MY 440 mopar runs incredible at idle to 1500 rpm, but around 2000 rpm, the engine becomes overcome with loud rattling, noise, thousands of "rocks gone wild" come from the engine or transmission. ). 4. Nov 07, 2015 · Registered. Hello All, I have an older 2001 Honda accord I4 about 160k miles on it. Its 4x4 if that has anything to do with the issue. Usually, the noise is most pronounced when the car is idle. If your oil pump begins to make noise it will be a loud whining or whirring sound. Cause. because my torsion bars wee raised i check the shock bushings. STARTUP RATTLE Some 2004 F150 and 2005 F150, Expedition, Navigator, Super Duty, and Mustang vehicles may have a rattle on startup that lasts 1 to 3 seconds. Jan 09, 2018 · This creates a rattling noise. Nov 06, 2020 · One common problem that will cause a rattle at idle is a failing hydraulic valve lifter. Our car has been ticking while idling, and the noise gets louder and faster when accelerating. If this happens, you should take the vehicle to a . Models: 2006-2009 Chevrolet Corvette Equipped with 6L80 (RPO - MYC) Automatic Transmission The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. I have played around with the idle speed and 16 is the most I can get. Mar 03, 2006 · What is the rattling noise on a Honda Foreman 400 at idle? its in the top end . So I back out of my driveway and put it in 1st. Took out the passenger O2 so both rear O2's were out. Chevy SBC 350 Dual Idler Noisey Timing Gear Drive Set. The most common engine rattling at idle isn’t an engine problem at all. 9 V6. The most common cause of engine ticking is a noisy valve train. Condition/Concern: Some customers may comment on a rattle noise at idle with the transmission in gear. Jun 13, 2014 · 1 Posts. Try moving your exhaust, by hand, to see if it touches the plate. Feb 07, 2016 · A light to moderate rattling noise at idle that sounds like marbles in the supercharger, but goes away when engine speed is increased to about 1200 RPM, is normal. The fix: Immediately shut off the engine. It starts quiet and gets a but louder but not super loud. If I floor the car, you don't really hear it, until I release the gas and then you hear it winding down consistent with the RPM's. chevy 350 rattling noise at idle