Possible bad U-joints?

[TxFx04]

This just started happening about 2 weeks ago, getting a bad vibration at speeds above about 50. Vibrate then if i let off the gas the vibration is about 3 times worst. I had the same vibration in my old truck right after i lifted it. About 3 months after i put the 3" blocks in my driveshaft snapped at the U joint. i've had my lift on this truck for about 5 months. Wondering if the increased pinion angle is trashing my U joints? I crawled under and took some pics. noticed this:

 

[txab]

Time for a change

 

[OldCracker29]

I'd definitely be changing that as soon as possible. I'd also be willing to bet that is the cause of your vibration.

 

[Texas Jim]

That u joint is toast... Change it...

 

[Black02Silverado]

Yep, pretty much the issue. Good catch. Might need to check the drive line angle and see if you need to adjust it to keep this from happening again. 5 months is not a long time. It would suck to have to keep changing out U joints.

 

[Draenor]

Possible bad U joints?

Did you shim the axle after lifting?


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