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当前版本: Tom Shafer ,

文本:

Do you have jack stands? Find a nice level parking spot. Put front bumper against a tree, wall, or any un-movable thing. Jack the rear wheels off the ground, and put the stands under the axle. Remove the jack.
 
Try rocking the wheel, that noise is old worn universal joints on each end of the large metal drive shaft.

Switch to 2WD ONLY. Closely
Closely examine the tires. Start the engine, put it in drive.
Try rocking the wheel, that noise is old worn universal joints on each end of the large metal drive shaft.

Switch to 2WD ONLY. Closely
Closely examine the tires. Start the engine, put it in drive.
 
Switch to 2WD ONLY. Start the engine, put it in drive.
Be careful. Don't do anything stupid.
 
At idle, the rear wheels will slowly rotate, and the driveshaft may make noise. If you lightly 'drag' the brake, adding a little resistance, the U-joint might get louder. How's the vibration ? Let off the brake.
 
Slowly, motor up to what ever speed causes the vibration. Bent
Bent
driveshaft, $250. Bend wheel rim, $100.

Out-of-round-tire
Out-of-round-tire, $125. Find
Find
a driveshaft-speciality shop, not your local mechanic.
Slowly, motor up to what ever speed causes the vibration. Bent
Bent
driveshaft, $250. Bend wheel rim, $100.

Out-of-round-tire
Out-of-round-tire, $125. Find
Find
a driveshaft-speciality shop, not your local mechanic.
The rim/tire issue is best tested using your spare.
 
If the driveshaft is bent, or a tire has broken cords, I suspect it has been off-road-racing, or maybe, jumping a parking-lot-curb. At
At
131,000 miles, Ur-joints will get loose, too !
If the driveshaft is bent, or a tire has broken cords, I suspect it has been off-road-racing, or maybe, jumping a parking-lot-curb. At
At
131,000 miles, Ur-joints will get loose, too !

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原帖由: Tom Shafer ,

文本:

Do you have jack stands?     Find a nice level parking spot.  Put front bumper against a tree, wall, or any un-movable thing.  Jack the rear wheels off the ground, and put the stands under the axle. Remove the jack.

Try rocking the wheel, that noise is old worn universal joints on each end of the large metal drive shaft.

Switch to 2WD ONLY.   Closely examine the tires.    Start the engine, put it in drive.

Be careful.  Don't do anything stupid.

At idle, the rear wheels will slowly rotate, and the driveshaft  may make noise.  If you lightly 'drag' the brake, adding a little resistance, the U-joint might get louder.   How's the vibration ?  Let off the brake.

Slowly, motor up to what ever speed causes the vibration.   Bent driveshaft, $250.  Bend wheel rim, $100.

Out-of-round-tire, $125.       Find a driveshaft-speciality shop, not your local mechanic.

The rim/tire issue is best tested using your spare.

If the driveshaft is bent, or a tire has broken cords, I suspect it has been off-road-racing, or maybe, jumping a parking-lot-curb.     At 131,000  miles,  Ur-joints will get loose, too !

状态:

open