Question about 1992 GMC Sonoma

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When i get up to about 50 mph my truck starts shaking in the rear end, what could be wrong

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  • 293 Answers

Have your rear wheels checked for balance.

Posted on Nov 09, 2012


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Posted on Jan 02, 2017

  • 188 Answers

SOURCE: Truck losing power and service engine soon light on

Like to other guy said, give it a tuneup. Also try SEAFOAM to clean carb up of slug. Also check to make sure the butter fly for the choke has not come loose, causing it the choke it down. Failed choke pull-off.

Posted on Feb 02, 2009

  • 77186 Answers

SOURCE: noise in rear end 2001 gmc yukon xl

broken ring gear, defective U-joint, i would go with having the U-joints checked.

Posted on Jan 09, 2009

  • 1 Answer

SOURCE: gmc 94 sonoma

try the fuel pump relay... had the same problem... 94 sonoma .. it's the one up under the dash... cost me 400.... i didnt know where the darn thing was!!! chaeck all the normal stuff first...

Posted on May 20, 2009

  • 10319 Answers

SOURCE: 2002 GMC Sonoma shakes

fan clutch may have a bad bearing or it is a cracked flywheel

Posted on May 27, 2009

  • 8 Answers

SOURCE: 2000 GMC Sonoma starting problems

I would suspect the fuel pump

Posted on May 28, 2009

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sounds like you have a wheel alignment problem. Not enough castor set. Have the front end checked out for loose worn bits. If you have a steering shocky in the system it is probably shot and not doing the job of stabilising the steering. Remember if the springs are a bit flat IE the front end is a bit low then the whole steering geometery alters and negative castor results as what you have described

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There is something out of balance or loose or the car could not shake. Take it to a front end shop where they can check the toe and camber and check for bad wheel bearing etc. Shaking at the speed usually means a tire has a bulge or out of balance. Good luck you need a second opinion. This could be dangerous too so don't take any chances.

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It's most likely the drive shaft bearing which is in the center of the shaft mounted to the car. You can get a new one from Rapido and your problem could be solved. May want to consider looking at resolving the issue soon as the vibration will raise havoc with the drive train. A remote issue could be in the rear end itself whereby if someone drove the car most of it's life lugging the gears (standard transmission) the rear end gears tend to prematurely give out causing a similar condition. Best result is to simply find a new rear end at a salvage yard, just the center pod and replace. Good luck!

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