Question about 1991 Pontiac Sunbird
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Posted on Jan 02, 2017
aftermarket brake and rotors ,also calipers that temporarly stick causes this squeking problem,replace if worn and use special lubrication for these parts including the shims
Posted on Oct 17, 2008
This sounds like one or more of your motor/powerplant mounts is broken. Here is an easy test:
Have someone sit in the driver's sear with engine running and trans. in Park.
You stand in front with the hood open. Have them shift from Park to Reverse, and then Drive and back to Reverse and Park, taking time to stay in each gear and give some throttle while holding the brake pedal tight. This will rock or move the engine a certain amount as they shift through the gears and apply power lightly. It will move alot more violently with broken mounts.
If you have a clunking noise on Reverse shifts, you should be able reproduce this with the hood up and pinpoint the noise and/or sight the faulty motor mount with a friend's help. Good luck, I hope this puts you on the right track to fixing this annoying noise.
Sincerely, Tater Todd
Posted on Jan 28, 2009
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
Sounds like poss dog bone mount from engine to frt cross member worn or bolts loose, poss ball joint or tie rod, also strut mounts on this car also makes noise sometimes more after driving after awhile
Posted on Oct 11, 2009
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