Vibration/Noise on Decel

[sleepydsm]

1g awd 5spd
At highway speeds when decelerating, I hear/feel a noise and vibration, kinda like a thumping. My guess is the carrier bearings on the driveshaft... Anyone have any ideas?

Kevin

[Kevin 1G Drummer]

I would assume carrier bearings on the drive shaft like you said. When I launch my car I can hear the driveshaft thumping, and on decelleration I can hear it making a little noise sometimes. A good way to check is to grab the driveshaft and see how far it moves in the bearings. On my car, it moves quite a bit inside the bearing case.

[sleepydsm]

Well, are you refering too the rubber surround that goes around the driveshaft? 'Cause I can grab the shaft and with little effort move the driveshaft all over the place at both bearings.

[TkrPerformance]

that would be both carrier bearings. They are not to fun to change. mitsu only part also

[scheides]

Isn't there a cheapo fix for this that works sometimes? Like fill in the bearings with some sort of thick lube or rubber gunk?

[scheides]

Ahh yes, here it is. Just black silicone caulk:

http://www.plymouthlaser.com/shaft.htm

DO IT! :D

[gofastman]

check the universal joins as well.
have someone look under the car while you feather the clutch in and out with the parking brake on, this will load/unload the drive shaft so you can check for excesive play