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Daniel O'Reilly
Newbie
QLD
TT

Posts: 4
Reg: 05-2006

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Wednesday, May 24, 2006 - 11:34 am, by:  Daniel O'Reilly (Ttdan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hello guys,

I am just wondering if it normal for a 94 TT to vibrate whilst the car is not moving but engine is running. Once moving the vibrations completely goes away. It seems to be idling nicely. I'm just interested it not a violent vibration or anything like that.

Thanks.
Daniel Clarke
TryHard
NSW
TT 2.5L 6 cylinder

Posts: 220
Reg: 03-2006

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Wednesday, May 24, 2006 - 12:45 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Could be an engine mount, or gearbox mount. Otherwise maybe Harmonic balancer.
Don Bagnall
Moderator
New Zealand
I have LESS Soarers than Hayden :-(

Posts: 3638
Reg: 05-2005

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Wednesday, May 24, 2006 - 03:25 pm, by:  Don Bagnall (Baggs) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Mr.O'Reilly, check to see what she's idling at.
700rpm is ideal, but 600 - 750rpm is acceptable.

Cihan Aday
DieHard
Victoria
JZZ30

Posts: 849
Reg: 07-2005

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Wednesday, May 24, 2006 - 07:21 pm, by:  Cihan Aday (Cihan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Mine idles at 618-630rpm (logged on the emanage) with the lights and heating system on. Otherwise, a bees testicle over 700
Daniel O'Reilly
Tinkerer
QLD
TT

Posts: 6
Reg: 05-2006

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Wednesday, May 24, 2006 - 10:06 pm, by:  Daniel O'Reilly (Ttdan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just checked the idle and when it vibrates it drops down to around the 500 - 550 mark. It was idleing around that mark even when it was cold. Is this an easy adjustment to be made? Thanks for all the help so far.
Callum Finch
Goo Roo
WA
Soarer TT

Posts: 1199
Reg: 09-2005

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Thursday, May 25, 2006 - 12:48 am, by:  Callum Finch (Sigeneat) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I had this issue a while back after i had new rear shockies installed; check that your rear sway bar isnt vibrating against your exhaust pipes!
Peter Nitschke
JunkFilterer
South Australia
GT4.0 V8

Posts: 4744
Reg: 11-2004

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Thursday, May 25, 2006 - 03:45 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Daniel, low idle means something isn't quite right. You need to find out what and fix it. There isn't a simple idle screw adjustment on cars these days. Start doing some serious searching and reading here and you will find a lot of other peoples experiences quite helpful and sometimes even humorous :-)
Braden Murdoch
Tinkerer
NSW
Cressida 1JZ TT

Posts: 29
Reg: 04-2006

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Thursday, May 25, 2006 - 03:11 pm, by:  Braden Murdoch (Ribfeast) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Clean your ISCV. Should fix the problem.

I had a low idle to around 537rpm or so which cleared up after cleaning the ISCV.
Problem is I still have another vibration source somewhere else, I might check my gearbox mounts. Better not be the balancer :-(
Aka Abedin
TryHard
NSW
TT

Posts: 209
Reg: 07-2005

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Thursday, May 25, 2006 - 03:36 pm, by:  Aka Abedin (Soarer_91tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Branden whats ISCV?

mine does have a very little vibration when its just sitting in park. Doesnt vibrate all the time. Only when it wants to.

Vibration is so little you need to pay close attention to pick it up.
Daniel O'Reilly
Tinkerer
QLD
TT

Posts: 7
Reg: 05-2006

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Thursday, May 25, 2006 - 04:06 pm, by:  Daniel O'Reilly (Ttdan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yes what is ISCV I am very interested to know any pictures would be very helpful Thanks
Don Bagnall
Moderator
New Zealand
I have LESS Soarers than Hayden :-(

Posts: 3658
Reg: 05-2005

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Thursday, May 25, 2006 - 04:21 pm, by:  Don Bagnall (Baggs) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Aka Abedin wrote on Thursday, May 25, 2006 - 03:36 pm:

Branden whats ISCV?



Idle ********* Control Valve I think, but I dunno what the "S" word is
Daniel Czechowski
Goo Roo
Western Australia
Soarer GT-T

Posts: 1082
Reg: 07-2005

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Thursday, May 25, 2006 - 04:30 pm, by:  Daniel Czechowski (Dan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

S is for 'Something' Don
Daniel O'Reilly
Tinkerer
QLD
TT

Posts: 8
Reg: 05-2006

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Thursday, May 25, 2006 - 05:03 pm, by:  Daniel O'Reilly (Ttdan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

http://www.topbuzz.co.uk/info/iscv/iscv.htm

The search function is helpful I guess
Mark Paddick
Goo Roo
ACT
UZZ31 V8 Soarer , JZZ30 TT Soarer

Posts: 2408
Reg: 07-2005

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Thursday, May 25, 2006 - 05:07 pm, by:  Mark Paddick (Sparks) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

"s" is for SPEED
Don Bagnall
Moderator
New Zealand
I have LESS Soarers than Hayden :-(

Posts: 3663
Reg: 05-2005

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Thursday, May 25, 2006 - 06:50 pm, by:  Don Bagnall (Baggs) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Oh, ok. That makes a whole lota sense.........thanks Mark
Braden Murdoch
Tinkerer
NSW
Cressida 1JZ TT

Posts: 35
Reg: 04-2006

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Monday, May 29, 2006 - 01:54 pm, by:  Braden Murdoch (Ribfeast) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Idle speed control valve :-) It's up near the passenger side of the engine on the intake manifold.
Just don't clean it with anything too harsh as it will dissolve the delicate (nylon?) bearings inside it. Unfortunately they cannot be disassembled, and are over $1000 new from your toyota stealer.
Ben Socratous
TryHard
SA
Iv'e got less interior that all of you!!!

Posts: 375
Reg: 07-2005

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Thursday, June 01, 2006 - 09:36 pm, by:  Ben Socratous (Socrates) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Braden Murdoch wrote on Monday, May 29, 2006 - 01:54 pm:

It's up near the passenger side of the engine on the intake manifold.




Anyone got a pic?
Braden Murdoch
Tinkerer
NSW
Cressida 1JZ TT

Posts: 40
Reg: 04-2006

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Friday, June 02, 2006 - 04:25 pm, by:  Braden Murdoch (Ribfeast) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

http://www.toymods.net/forums/showthread.php?t=4624

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