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Old 06-03-2002, 05:00   #1 (permalink)
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Diff Clunk

I bought myself a brand new au II xr 6 hp 2 years ago. When i picked it up it had 7 km on the clock, and the first time i drove it, the back lash in the diff was horrible. The guys at ford told me it would wear in. Bloody crap, i could hear back lash even changing from 3rd to 4th. After a whole year of complaining, ford gave me a brand new diff, that still does exactly the same thing!
They now tell me its a performance car and it's expected, that they all do it. Then they tell me i should have bought a VCT with independant rear cos they don't do it.
I was wondering if anyone else is having my problems?

Other than the hugely annoying clunk, my car is great. I've had a Jim Mock Dev 5 kit put in it. My car pulls 165kw at the wheels and literly flies!! only thing is that my tyres don't like it too much, hehe
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Old 06-03-2002, 05:18   #2 (permalink)
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Yeap, same here i get diff clunks and so has 3 other AUII XR6 owners around here.

Have checked up with the Ford dealers and there is not a fix as yet, but have heard of some type of friction modifier (oil additive) thats added to the diff that reduces clunks etc. Will try to investigate it further.
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Motor May 2001 Quote: "Believe it or not, there are actually a bunch of weirdos out there who reckon a six cylinder is the dux gutz. Bugger it: I'm one of them" :s5

AUII Late Ed XR6 HP T5 Venom- Full Tickford Body Kit, 17in Wheels, Herrod Bi-plane Spoiler, Momo Steer/Gear, T-Series Interior Options, Premium Stereo and a very light-tuned 4.0L I6

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Old 06-03-2002, 05:21   #3 (permalink)
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You should'nt have told everyone that!!! People on here have been trying to get info on the dev5 for a while now.
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Old 06-03-2002, 05:25   #4 (permalink)
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Quote:
Originally posted by XR_Strider_GuY
Yeap, same here i get diff clunks and so has 3 other AUII XR6 owners around here.

Have checked up with the Ford dealers and there is not a fix as yet, but have heard of some type of friction modifier (oil additive) thats added to the diff that reduces clunks etc. Will try to investigate it further.
Gaz,

Try filling it up with castrol SAF-XA. It's a fully synthetic diff oil. I used to get diff clunks all the time and after using this stuff they have all gone.
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Old 06-03-2002, 19:03   #5 (permalink)
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Quote:
Originally posted by Jase_ELXR8


Gaz,

Try filling it up with castrol SAF-XA. It's a fully synthetic diff oil. I used to get diff clunks all the time and after using this stuff they have all gone.
Jase, is this oil for LSD diff's only. Mines a single spinner.
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Motor May 2001 Quote: "Believe it or not, there are actually a bunch of weirdos out there who reckon a six cylinder is the dux gutz. Bugger it: I'm one of them" :s5

AUII Late Ed XR6 HP T5 Venom- Full Tickford Body Kit, 17in Wheels, Herrod Bi-plane Spoiler, Momo Steer/Gear, T-Series Interior Options, Premium Stereo and a very light-tuned 4.0L I6

(FPV-Tickford Club of NSW Member and Co-Founding Member of 3FB Inc, Ford Forums Food Bandits)
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Old 06-03-2002, 19:30   #6 (permalink)
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Quote:
Originally posted by XR_Strider_GuY


Jase, is this oil for LSD diff's only. Mines a single spinner.
Works in both LSD and normal.
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Old 06-03-2002, 19:32   #7 (permalink)
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From www.castrol.com.au

Castrol SAF-XA
Full synthetic rear axle fluid incorporating Castrol's most advanced transmission fluid technology. Engineered to provide protection at the extremes of high and low operating temperatures, it is our prime recommendation for rear axles used in competition, severe duty and long drain applications. Suitable for both limited and non-limited slip rear axles. SAE 75W/140, API GL6
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