94 Suburban Vibration

cookcs · 11-01-2006, 10:22 AM

Hello, I am still dealing with some issues on a used '94 Suburban I bought a few weeks ago. I am slowly gaining ground, but another has reared it's ugly head. The Suburban has 209,000 miles, it is still in great shape, I have been noticing a vibration on the freeway. It seems totally happy until I get up to about 70 mph. It feels like something is grinding, I am thinking u-joints, but I thought somebody could give me more clues. The truck has new tires and it does not feel like a balance issue (not in steering wheel). It feels more like it is under my feet. I do get a little clunk when putting it in reverse but not drive, and no vibration when letting off the throttle. Anyone have any more ideas of what to check when I get under the vehicle. I appreciate all the help.
Colin

mrjohnwayne · 11-01-2006, 01:42 PM

i'd check the carrier bearing along with the u-joints.

11-01-2006, 10:22 AM	#1
cookcs Full Member Join Date: Oct 2006 Location: Muskegon, MI Posts: 30	94 Suburban Vibration Hello, I am still dealing with some issues on a used '94 Suburban I bought a few weeks ago. I am slowly gaining ground, but another has reared it's ugly head. The Suburban has 209,000 miles, it is still in great shape, I have been noticing a vibration on the freeway. It seems totally happy until I get up to about 70 mph. It feels like something is grinding, I am thinking u-joints, but I thought somebody could give me more clues. The truck has new tires and it does not feel like a balance issue (not in steering wheel). It feels more like it is under my feet. I do get a little clunk when putting it in reverse but not drive, and no vibration when letting off the throttle. Anyone have any more ideas of what to check when I get under the vehicle. I appreciate all the help. Colin

11-01-2006, 01:42 PM	#2
mrjohnwayne Moderator Join Date: Apr 2005 Location: Texas Posts: 3,221	i'd check the carrier bearing along with the u-joints. __________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4

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