# signs of a failing diff?

**URL:** <https://forums.speedlife.net/t/signs-of-a-failing-diff/28549>\
**Category:** NYSpeed Automotive\
**Created:** [April 30, 2007, 2:56pm UTC](https://forums.speedlife.net/t/signs-of-a-failing-diff/28549 "2007-04-30T14:56:49Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![66impalass](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/66impalass/32/7429_2.png) [@66impalass](https://forums.speedlife.net/u/66impalass)\
**Post date:** [April 30, 2007, 4:06pm UTC](https://forums.speedlife.net/t/signs-of-a-failing-diff/28549/4 "2007-04-30T16:06:32Z")

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[quote=“ImportMuscle,post:3,topic:28549"”]

check your driveshaft, there should be a bit of play in it, if its hard as a rock and wont budge, than its u joints

My truck did the same thing when the u joints were going

[/quote]

I think it is the U-joints, I can hear the clunking that happens when they go

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