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DRIVESHAFT OR TRANSMISSION WOBBLES AT 35-40 MPH

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Have a drive shaft shop install new joints &
balance the assy --- if rear drive
If transaxle ---check all motor & transaxle mounts
and engine cradle mounts
Then check cv drive axle joints

Posted on Jul 11, 2013

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Posted on Jan 02, 2017

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1994 grand cherokee laradeo shimmy's and steeringwheel vibrates violently between 40-50 mph


1= Universal joints or yokes, or drivesshaft splines are worn.
2) driveshaft is bent
3)engine or transmission, or center driveshaft nager might be loose or worn.
God bless you

Jun 17, 2012 | 1994 Jeep Grand Cherokee

1 Answer

Vibration in the drive train at 40 mph in my 1993 Ford 150


I would check the driveshaft universal joints and the play in the yolk joints where the driveshaft exits the transmission and where it enters the differential.
It could be the preliminary vibration caused by the deterioration in a universal joint, forewarning you that it's on the way out. Good Luck Vern

Feb 01, 2012 | Cars & Trucks

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REPEATLY worn out carrier bearing on my 2001 GMC Sonoma extended cab ( 4.3 , 4speed auto 2wd) what could be the cause of this even after I've had it rebalanced?


  • 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.
  • The rubber can also deteriorate due to age or contamination with oil. The driveshaft will operate at the wrong angle and vibration or noise will result. The vibration occurs most often during hard acceleration.
  • A worn center support bearing can cause a whining sound that varies with vehicle speed. The noise is constant in pitch, rather than changing or intermittent like U-joint noise.
  • If the truck has been raised , the alignment of the drive shaft will also change, A damaged driveshaft can exhibit a variety of symptoms. A clunk that is heard when the transmission is shifted into gear is the most obvious. You can also encounter unusual noise, roughness, or vibration.
    NOTE The engine, torque converter and driveshaft change in frequency as rpm changes. A rebuilt torque converter is often the cause of a vibration that is rpm-related.

    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.
    • Check the driveshaft for runout, or the amount that a part wobbles up and down or side to side when it is in motion.

Sep 23, 2011 | 2001 GMC Sonoma Extended Cab

1 Answer

2001 Lexus ES300: front end wobbles at 50+ MPH....Bearings?


Could just be your tires need to be balanced. When was the last time you had them balanced and rotated?

Jun 30, 2009 | 1996 Lexus ES 300

2 Answers

1999 f150 2wd transmission clunk


ujoints I would check out first mainly the rear one. if it wobbles in the sockets its worn

May 24, 2009 | 1999 Ford F150 Regular Cab

1 Answer

2001 silverado thumps when going 40 to 50 mph


Maybe check for loose u-joints, transmission mount, or carrier bearing if you have a two piece driveshaft.

Dec 20, 2008 | 1999 Chevrolet Silverado 1500

1 Answer

I hear a knocking, coming from underneath the shifter


Can't see it, can't hear it, but I'd look at the transmission mount, all driveshaft universals and front slip joint first!

Dec 01, 2008 | 1999 Jeep Cherokee

2 Answers

Car wobbles


yes make sure your lug nuts are all tight and the wheels are seated properly on the hubs, if they are tight bring the car to a tire shop and have them balance the two front tires, this will tell you if you have a bent wheel please rate -jeff

Sep 05, 2008 | 1988 Toyota Corolla 4 Door

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