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Ashley Leach
TryHard
South Australia
UZZ31 V8 GT Limited

Posts: 111
Reg: 02-2006

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Thursday, August 10, 2006 - 10:38 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ok, after talking to Peter today and doing a quick investigation when I got home there is a rather loud clunk coming from the rear of the car when I shift from Reverse to Drive, and to a much lesser extent the other way.

It's been there since I bought the car and I'd really like to know what causing it. Anyone got any ideas?

I changed the diff oil last weekend and it was VERY clean, no chips a fair bit of silt though.
Anish Varsani
TryHard
QLD
V8 UZZ30

Posts: 378
Reg: 07-2005

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Sunday, August 13, 2006 - 09:45 am, by:  Anish Varsani (Yomama) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Check the gearbox mount.

It could also be the transmission thumping during gear engagement. Mine's started to do this soon after fitting a shift kit.
Paul Christian
Tinkerer
WA
Soarer JZZ31

Posts: 23
Reg: 07-2006

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Sunday, August 13, 2006 - 07:37 pm, by:  Paul Christian (Paul_christian) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Mine does this when the brake pads are cold. It's just the sound of the pad against the disc as the car wants to lurch forward but it can feel suspiciously like the diff. Depressing the brakes a few times after startup helps or applying more pressure when you shift from reverse to drive.
Ashley Leach
TryHard
South Australia
UZZ31 V8 GT Limited

Posts: 121
Reg: 02-2006

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Sunday, August 13, 2006 - 11:29 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I've had the trans mount replaced before. This is defiantly a different noise. I'd put money on diff... I think.

Maybe diff mounts?

Anyone had any probs with this before? I just don't really have anytime to get a mechanic to check this out.
Shane McInnes
TryHard
NSW
JZZ30 GT-TL Manual

Posts: 478
Reg: 07-2005

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Monday, August 14, 2006 - 05:38 pm, by:  Shane McInnes (Soarin_tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Sure does sound as if its the Diff. But if it was the Diff, you would think it would happen when driving.

Guess you wont know for sure untill you take it to a mechanic or break down at the lights like i did when my diff broke lol.
Ashley Leach
TryHard
South Australia
UZZ31 V8 GT Limited

Posts: 126
Reg: 02-2006

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Monday, August 14, 2006 - 05:45 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

yeah I guess I'll just run it until it dies. :-(
Ashley Leach
TryHard
South Australia
Soarer GT Limited UZZ31 V8

Posts: 407
Reg: 02-2006

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Wednesday, November 29, 2006 - 08:40 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

**update**

finally got around to getting the car over a pit. Oh an low and behold it actually looks like it's coming from the rear bushes, must be a little too much movement in there. I've only had the front ones changed. So I'm planning on doing the rear sway bars ASAP and early next year get the rest of the bushes done.
Andrew Hargreaves
Tinkerer
NSW
2.5 TT

Posts: 17
Reg: 11-2006

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Friday, December 08, 2006 - 10:14 pm, by:  Andrew Hargreaves (Andicap) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i had the same problem. Try also reseting the gearbox ( by removing the fuse the red dome one) and giving it a service. and that will help it heaps
Ashley Leach
TryHard
South Australia
Soarer GT Limited UZZ31 V8

Posts: 441
Reg: 02-2006

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Monday, December 18, 2006 - 07:43 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah, I've re-set the gear box and it will be serviced in Jan when the shift kit is fitted with trans cooler. Will replace bushes and if it's still not fixed... oh well I wanted a T2 LSD anyway so I'll head down that path.

Ok just that, serpentine belt, engine shims, ride height controller and then a super charger and I'm done... until I need a new engine.
Aaron Mead
DieHard
NT
TT

Posts: 892
Reg: 03-2006

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Monday, December 18, 2006 - 11:59 pm, by:  Aaron Mead (Aaron) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I had a rather loud clunk today.......fkn clay turbine.....

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