Question about 2002 Chevrolet Suburban

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Noise when gas pedal is released

My 99 4wd suburban is making a noise when i release the gas pedal...sounds like a grinding noise from the transfer case. transmission shop told me that all is ok....have catalytic converter checked. any ideas?

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  • drexmac Jan 14, 2009

    it sounds like it's coming from the floor board right where the
    transfer case is located. it also happens to be where both catalytic
    converters are located. the sound does not start happening until i
    drive for a mile or so...and the sound happens when i let off the gas
    at all speeds. it even happens when i'm in park or neutral and gun the
    engine for a couple of seconds, then release the gas pedal. i wish i
    could describe the noise better than "grinding".

  • DaleF Mar 11, 2009

    I have the same exact problem with a 1986 3/4 t,two wheel drive suburban.The noise sounds like it is stuck in 2nd gear and is over revving when I let off gas and it continues when i coast in neutral!.........Help

  • her_big_dadd May 11, 2010

    if you could, please tell me if the noise is toward the front , or rear of the vehicle.... and does it make the noise when you let off the gas at any speed?

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6 Suggested Answers

  • 7 Answers

SOURCE: vibration at 45 mph.

first, if the milage is high it could be a cv halfshaft even if the boots are not split. if the tires are new and no rims are bent, make sure there is no fix -a- flat in the tires, (liquid will not balance) and cause a severe vibration. i would suggest you take it back to your shop and have them put it on a lift, raise up the front wheels under the outer part of the lower control arm where the front is not hanging down too far and start the vehicle. run it up to 45mph to 60mph and have them feel in the drivetrain for vibrations and shakes.if it is felt with the car this way the vibration is in the drivtrain. inner cv's or in the transmission. thanks and let me know what you find out.

Posted on Sep 20, 2008

tripletauto
  • 1450 Answers

SOURCE: On my 2003 Chevy Suburban, the emergency brake won't release.

there is a cable running from handle to brake assembly it is probably broke there is a release lever under there on brake about a one inch lever hold down on brake and move this and let up on pedal.

Posted on Nov 20, 2008

zolo6321
  • 7 Answers

SOURCE: 99 Isuzu Rodeo 3.2L 2wd Catalytic Converter instructions

you're having the same problem i had with my 99 isuzu rodeo 2 wd 3.2 i paid a muffler guy over $600 to replace those catalytic converters, if you're good at welding you could do the welding yourself after buying the catalytics, basiclly i seen them just cut them off and welded them back on

Posted on Dec 31, 2008

MrScary66613
  • 1990 Answers

SOURCE: my 1990 chevy is making a clicking noise around the transfer case

Is it louder when it is Cold?

Posted on Jan 12, 2009

  • 10 Answers

SOURCE: transfer case making roaring rattling sound

it's possible you might need to just change the trans case fluid.... it's a pretty simple task, i usually do all the small minor work first before i take it to a dealer to fix.... if they said you need a new trans case, but didn't tell you why, more than likely there might be something you could do yourself to make it better... those service men have been working around vehicles long enough, they should be able to tell you exactly what's wrong!
i would also do a tranny fluid change to... some of the noise could be coming from there too -- when you change either fluid, add a little lucas transmission fluid stabilizer, it helps alot with seals and makes the fluid stick to the gears better...

Posted on Jan 15, 2009

  • 2 Answers

SOURCE: 1996 suburban makes grinding noise in 2 wheel drive

sounds like the clip on the rear output shaft its probably broke. do this by removing the rear driveshaft, and the tail of the transfer case, there are 4 bolts holding it in place. then grab the output shaft and see if it has any front to back movement. if so pull it all the way to the rear and you should see a groove at the front part of the shaft where the clip goes. Then you should find the pieces fo the clip in the tail housing. One person said he found the replacement clip at a local tranny shop. I am calling the dealership parts counter for a new clip for my 97 Tahoe tomorrow. Hope this helps..

Posted on Mar 15, 2009

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What?! Really! The noise goes when the clutch pedal is depressed! So the noise goes when the release bearing (throw-out bearing) is engage? So how would that be a release bearing/clutch problem? If it didn't make a noise until the clutch pedal was depressed, it would be the release bearing! In other words its the input shaft bearing and/or counter shaft bearing in the gearbox. Stop giving people bad advice

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Getting harder and harder to place into gear. Also, when the clutch is disengaged (pedal down), I will hear a louder noise, sounds like something is rubbing on something


It seems like the clutch pressure plate has gone, not releasing the clutch plate once the pedal is operated.
The noise you hear, is it a screeching one or is it like the gears rubbing eachother.
If its a screeching noise thn its the release bearing and if its a heavier grinding noise thn its the gears.
Guess you will have to replace the clutch pressure plate, its highly recomended though to replace the pro-kit,i.e the clutch plate, pressure plate and the release bearing.
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