signs of a failing diff?

ok what are the signs of a failing diff, i get this annoying vibration from the rear end during deceleration, slight hum too. also happens during 1/4 throttle cruising

vehicle 99 yukon

please tell me something its something easy and cheap and not the diff

sounds like its going to take a dump soon. my buddy had a 99 tahoe and went thru 3 diffs in 4 years.

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=“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

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

:word:

Definatly easy to check causes a lot a vibration, can even occur at certain speeds. This would be a ton more common for it to wear out than a diff. Not a good idea to wait on as I found out in my old ranger either.

Take it to denny’s driveshaft.

well not that you say clunking.lol.

I shrapnelled my pumpkin, yay

I guess those are the signs of a failing diff, then… how did it let go?

:word:

?

not really sure, but they said my gears are missing some teeth and the axel was loose and ended up hitting the rear end casing. I wish I would have atleast been doing something cool…