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Old 09-10-2002, 07:25   #1 (permalink)
andrewh66
 
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au3 xls ute lsd clunks and grones

just wondering if any one has found ther 5speed and lsd to have a bit of backlash in drive train i found that my new ute when diff was warm and turning like to park or back out of a drive way was groneing and clunking my girlfriend herd it and wasent happy nor was i so i took it to a ford dealer to have it checked got told it was with in spec for back lash between crown wheel and pinon that it needed to bed in . Wasent real happy about that took it to anthor dealer thay put a addtive in the oil it quiten it a fair bit does anyone no what the magic addtive is i hope it is not sawdust or something like that i most discusted about haveing addtives put in a bran new car worth 30.000$ to bye i need a answer that itis not its within spec i wanna know why it makeing noies at all
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Old 09-10-2002, 16:28   #2 (permalink)
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Very common problem on the Au's. First fix is the diff additive which seems to work with different results. Sometime it fixes the prob for only a short time.
I think the additive is a synthetic type oil.......maybe AP knows
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Old 09-10-2002, 16:44   #3 (permalink)
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For the LSD's i've heard that this additive is some type of Friction modifier that stops or quietens the chattering in the LSD mechanisms.

As well as this additive like what XLR8 mentioned they re-fill the oil with a synthetic diff oil which is also known to quieten it down.

I'm not 100% sure either as i don't have an LSD.
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Old 09-10-2002, 20:12   #4 (permalink)
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Typical Dealer B.S. Spin, it shoudnt make any noise at all, unless its a detroit locker which would make a clicking noise in corners, ring a diff joint ask their opinion, if still not sure get a racv, racq, nrma inspection
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Old 09-10-2002, 21:03   #5 (permalink)
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My s2 xr8 did the same thing

Oil additive is the 1st step
replacement of Diff is 2nd if additive doesnt work!
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Old 09-15-2002, 06:07   #6 (permalink)
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thanks guys for the replys so at how meny k,s will thay change the diff ???
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