Question about 1998 GMC Sonoma

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Front vibration in 1998 GMC Sonoma extended cab

I've been having a rather hard vibration in my truck when I accelerate or deccelerate @ 25 mph. The vibration goes away when I speed up past 25 or slow down to below 25. I also have some uneven tire wear on the front tires.
U-joints were replaced and I was going to have the tires rotated and checked for broken belt(s). Any other ideas on what to check for? Tie-rods maybe?
Thanks

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Since you are getting your car aligned make shure that they check the constant velocity joints.....

when these are bad...what you get is a vibration in one o both sides, also you might hear a tapping sound when steering.

Posted on May 14, 2009

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Posted on Jan 02, 2017

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  • If the bearing fails and seizes up, the rubber will be torn away from the bearing. The seized bearing can tear away the rubber mount that supports the outside of it allowing the bearing to rotate with the driveshaft. This allows the driveshaft to wobble up and down causing a vibration.
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    To help differentiate a potential drivetrain problem from other common sources of noise or vibration, it is important to note the speed and driving conditions at which the problem occurs. Unfortunately, it is often difficult to accurately pinpoint drivetrain problems with only a road test. Expand the undercar investigation by putting the vehicle up on the lift, where it is possible to get a good view of what is going on underneath.

    • Check the companion flange, carrier bearing, pinion shaft seal, and pinion bearing, transmission's extension housing seal and bushing, and the u-joints.
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