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Noise in rear end, Bj42, need advise

Tech Talk for Cruiser owners.

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Posts: 3073
Joined: Sun Jul 27, 2003 5:37 pm
Location: Mornington Peninsula, Victoria

Noise in rear end, Bj42, need advise

Post by bj42turbo »

Noticed a sort of rattle in rear end. Put rear up on jacks ran truck in second gear and noise seem to occur after accelerating just off idle. Checked and replaced oil in diff. While truck on ground checked whether there was play in driveshaft seem to turn 10 or so degrees backwards and forwards before engaging diff, if that makes sence. There seems to be more play than the front shaft, not sure if this is normal. Please note I am not a mechanic but will try anything with instruction. No diff locker fitted, standard diff I think. :D


Cheers Dazz
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Joined: Sun Jan 25, 2004 11:45 am
Location: Brisbane

Post by RV80 »

is the noise there all the time? does it
stop when turning left or right? it's not
the hand brake rubbing? or a stone
stuck in the brakes?
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Post by scotto »

Maybe take that turbo out and see if that fixes...

If the rear tailshaft is wobblier than the front it may be worth looking at , uni joints may have chewed out and they rattle like hell sometimes, used to happen loads from beach driving.
Rear should be tight as, apparetnly is usual for front to wiggle a bit.

Have you been through any mud lately ;) I try and regrease all my nipples asap if you forget they can catch up on you pretty quick
Also pull your drums off cause they may be full of contaminant.

cheers Scotty
www.3rdrock4x4.com
Posts: 3073
Joined: Sun Jul 27, 2003 5:37 pm
Location: Mornington Peninsula, Victoria

Post by bj42turbo »

RV wrote:is the noise there all the time? does it
stop when turning left or right? it's not
the hand brake rubbing? or a stone
stuck in the brakes?


Dosen't seem to be there all the time, Only seem to notice it when just changed gears but only when driving slow, cant here it at higher speeds but thats not to say it's not there, just to much other loud noises masking it.


Dazz
Posts: 3073
Joined: Sun Jul 27, 2003 5:37 pm
Location: Mornington Peninsula, Victoria

Post by bj42turbo »

scotto wrote:Maybe take that turbo out and see if that fixes...

If the rear tailshaft is wobblier than the front it may be worth looking at , uni joints may have chewed out and they rattle like hell sometimes, used to happen loads from beach driving.
Rear should be tight as, apparetnly is usual for front to wiggle a bit.

Have you been through any mud lately ;) I try and regrease all my nipples asap if you forget they can catch up on you pretty quick
Also pull your drums off cause they may be full of contaminant.

cheers Scotty


dosen't seem to have play in the uni's but is a lot of play where the pinion thingy goes into the diff. will check brake drums tommorow.


Cheers Dazz
Posts: 860
Joined: Mon Aug 02, 2004 3:11 pm
Location: AUS

Post by scotto »

Drop your tailshaft out
If the pinion nut is loose tighten it up real tight
And punch the nut the little slot to "stop it unwinding"
If it continues to loosen the pinion bearing set up may be stuffed

Have had that problem too....
www.3rdrock4x4.com
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