check the pinion play too. my buddy just lost his rearend (and $2000) because of a bad vibration he had for a long time and he went through everything to get it corrected. turned out it was the pinion bearing. be sure to check it with no load so you won't get a false sense of a tight pinion bearing.
Hi All, noob to this forum, and I have a BIG Tahoe Problems
I've owned my 96 Tahoe since late 97. 4X4, 4 door, 90,000 miles, 4" SuperLift, BFG 33X10.5 AT tires. On a trip last weekend, the thing started vibrating like mad. Here's a quick list:
up to 59 MPH OK
60 to 69 MPH BAD vibration. Things are blurry in the rear view mirror. A sound and feel like you're driving on the rumble strips on the side of the interstate.
70 and above Slight vibration.
Since it was a long drive, I had time to mess with speed/RPM. In the 60 to 69 MPH range, slight pressure on the gas seemed to lower it a bit, but it was still bad. Going downhill, at the same speeds, off the gas 100% and once the tach dropped below about 1700, it stopped. Smooth as silk.
This happened all of a sudden. Three weeks ago and another long drive, no problems. I've checked the u-joints and they are tight. No drive shaft play. This happens in OD or when it down shifts for a uphill pull.
Has anyone experienced this? Suggestions as to what to check?
Any and all replies will be appreciated!
up to 59 MPH OK
60 to 69 MPH BAD vibration. Things are blurry in the rear view mirror. A sound and feel like you're driving on the rumble strips on the side of the interstate.
70 and above Slight vibration.
Since it was a long drive, I had time to mess with speed/RPM. In the 60 to 69 MPH range, slight pressure on the gas seemed to lower it a bit, but it was still bad. Going downhill, at the same speeds, off the gas 100% and once the tach dropped below about 1700, it stopped. Smooth as silk.
This happened all of a sudden. Three weeks ago and another long drive, no problems. I've checked the u-joints and they are tight. No drive shaft play. This happens in OD or when it down shifts for a uphill pull.
Has anyone experienced this? Suggestions as to what to check?
Any and all replies will be appreciated!
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