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XR8 AU II '' Clunking'' in a** end !! 

 

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 Post subject: XR8 AU II '' Clunking'' in a** end !!
Posted: Wed Jul 20, 2005 3:52 pm 
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Location: Rockhampton
QLD, Australia

i got an XR8 AU II 2001... there is a big '' clunking'' sound in the ars end when you are taking off or just putting around.. i have had the diff rebuild, thinking the star gear had been flogged out. but all was good. i have had the rest of the ars end inspected by ford and diif places and no one has a clue... just wondering if anyone has had a problem the same.. or any idea's for me.. i have spent thounds trying to find this boodly noise.. any help would be great as i am all out of idea's.. cheers
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Posted: Wed Jul 20, 2005 4:19 pm 
Getting Side Ways
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Ride: EL Futura

Location: Berri
SA, Australia

If its been checked by diff joints its not likely to be this, but I've had a phantom cluck that was loose tail shaft to diff flange bolts

 

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Posted: Wed Jul 20, 2005 4:29 pm 
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Ride: XR6

Location: Sydney
NSW, Australia

i got the exact same noise, pisses me off..

 

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Posted: Wed Jul 20, 2005 5:05 pm 
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Ride: EL GT - T2 TS50

Location: Cairns
QLD, Australia

Not the exhaust hitting the body? or diff ?
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Posted: Wed Jul 20, 2005 5:21 pm 
Getting Side Ways
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Ride: NC II Fairlane

Location: Newcastle
NSW, Australia

have you had youe suspention looked at?
reason i say this is that a mate of mine put some new shocks in his bombadoor and had a terrible bang like yours.
reason,he had put both rubbers on the bottom of the shock.

 

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Posted: Wed Jul 20, 2005 8:02 pm 
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Ride: TE50

Location: sydney
NSW, Australia

change the diff oil and add some of the anti-chatter additive as per factory specs. Some of the newer diff oils aready have the additive in there, as ford/h*lden have had similar issues with diff clunks. Do a few left hand and right hand full lock slow circles (slow..) to distribute the stuff around. The NEWER Penrite 10/10ths and the 80/140 Castrol SAF-XA have the additives (75/140 saf-xa and earlier Penrite do NOT have the additive, but Penrite do sell the additive seperately.)
Do not dismiss this until you have tried it - I was lucky and did this BEFORE going to a diff place. In slow Peak hour traffic, the clunks were REALLY bad... after treatment as above, its quiet as a mouse.
let us know how you get on.
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Posted: Thu Jul 21, 2005 6:51 pm 
Tyre Shredder
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Location: Sth Syd
NSW, Australia

Had the same problem, turned out to be shock mounts were broken. Then the diff got rebuilt and all was good.

 

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 Post subject: problem solved! i think...
Posted: Wed Aug 03, 2005 11:45 am 
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Location: Rockhampton
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Took the diff out and back to the bloke who rebuilt it.. he adjusted the
clearence's and said the diff was in perfect condition.. so i though it back in and added some Lx-3 modifier and Castrol LSX-90 and done a few circle's around the yard. not a sound... u can still here it very faintly and does the odd clunk. but has emproved 100%. i don't think this will be the end solution but has solved my problem for now.. thanx
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 Post subject: diff backlash
Posted: Wed Aug 03, 2005 10:49 pm 
Parts Gopher
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Ride: Typhoon

Location: perth
WA, Australia

i wld say the diff has excess backlash get new spaces for it and it should be good as gold
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