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Ben Kelly
TryHard
Lidcombe
v8

Posts: 274
Reg: 08-2005

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Thursday, May 01, 2008 - 07:56 pm, by:  Ben Kelly (Ace) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

had my transmission changed not long ago and now does not appear to slip and mostly appears good. However under throttle there is a real jolt between 2nd and 3rd. I can't take it back to where i had it done as they are complete assholes and broke some components in replacing. can anyone recommend somewhere in Sydney to have it checked. im hoping that it doesnt need to be replaced.

ben
Joshua Olm
TryHard
Queensland
V8 GT LTD UZZ31

Posts: 250
Reg: 05-2007

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Saturday, May 10, 2008 - 07:09 pm, by:  Joshua Olm (Iwannasoarer) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Have you check the transmission mount or engine mounts...they may be causing the 'clunk' they sound dodgy, who knows they may have sheared something off I can count the number of mechanics I trust on two fingers...ah well
Ben Kelly
TryHard
Wentworthville
v8

Posts: 295
Reg: 08-2005

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Sunday, May 11, 2008 - 06:09 am, by:  Ben Kelly (Ace) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks Joshua. Actually i was hoping someone would say it was engine mounts. My transmission mount is all good. I also now realise that clunk was not the right word to use as this implies a noise where its really more a jolt. Interestingly if i keep the car in 2nd i can pretty much change up at any time and there is no jolt. it only happens in drive under medium-heavy throttle.
Joshua Olm
TryHard
Queensland
V8 GT LTD UZZ31

Posts: 252
Reg: 05-2007

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Sunday, May 11, 2008 - 11:17 am, by:  Joshua Olm (Iwannasoarer) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

So there's no noise? If there is no 'noise' and the jolt is comeing from 'inside' the case then I would be starting to wonder about the transmission fluid they used. V8s = ONLY type IV fluid

A 'clunk' under load might indicate worn or sheared mount at the engine torque hits engine against the engine bay mounting point/worn mount. (my old falcon used to do this the trans mount was foobared so every time you stuck the boot in her...)

A jolt 'inside' the transmission I would think would be more a fluid problem. The whole case would have to be drained then. I remember Toyota (of all people!!!) wanted to put type II in my case cos thats what it said on the dipstick. I had a stand up argument with them and told them I wanted type IV so then they made me sign to say that they wouldn't be held responsible if the trans didn't function properly there after until they would do as I asked...

Time to take it to a Transmission place that you can trust I think Ben
James Johnson
DieHard
Victoria
JZZ30

Posts: 920
Reg: 07-2005

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Sunday, May 11, 2008 - 12:30 pm, by:  James Johnson (Jamesy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

maybe when you replaced it you accidentally scored a shift kitted auto??
Ben Kelly
TryHard
Wentworthville
v8

Posts: 296
Reg: 08-2005

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Sunday, May 11, 2008 - 07:40 pm, by:  Ben Kelly (Ace) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Joshua, yeah no noise as such. but i thought the slightly rough shift could be exacerbated by poor engine mounts. i will try changing the fluid. not sure what they used. Probably sunflower oil :-)

James, they got the gearbox from a celcior. so i dont think so (?). How would I know? Its like it takes too long to change. Theres like a curve in power then bump, we're in. As i mentioned it doesnt do it when manual shifting, even under load.
Scott Casey
Tinkerer
nsw
soarer v8

Posts: 58
Reg: 02-2008

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Monday, May 12, 2008 - 01:55 pm, by:  Scott Casey (V8soarer_1991) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i have the exact same problem with my gbox.
and the car has only 75,000kms on the clock.

so my steps for elimination are

replace oil and filter
gearbox mounts
gbox shift solenoids
engine mounts
check diff, drive shaft and mounts etc.

interested in what and how to solve the problem
Anish Varsani
DieHard
QLD
V8 UZZ30

Posts: 584
Reg: 07-2005

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Monday, May 12, 2008 - 06:22 pm, 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)

How tight is the pressure cable adjusted?
Ben Kelly
TryHard
Wentworthville
v8

Posts: 299
Reg: 08-2005

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Monday, May 12, 2008 - 06:24 pm, by:  Ben Kelly (Ace) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks Scott. I'll get on to it when funds permit. will let you know how goes. Thanks again all.
Scott Casey
Tinkerer
nsw
soarer v8

Posts: 61
Reg: 02-2008

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Wednesday, May 14, 2008 - 09:42 am, by:  Scott Casey (V8soarer_1991) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Scott Casey wrote on Monday, May 12, 2008 - 01:55 pm:




not in any order, just checking then replace if need be

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