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Will Adams
DieHard
WA
Soarer GT-TL

Posts: 679
Reg: 02-2006

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Wednesday, February 28, 2007 - 07:11 pm, by:  Will Adams (Draco) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have read the article

http://soarercentral.com/sc-forum/messages/51875/72334.html

My car has got a really annoying idle, especially when it has cooled down below normal temp sometimes. It will vibrate quite a fair bit and I sometimes find myself having to (1) either floor it when it's hot enough to get the idle to a more smooth level (ii) sit at the traffic lights with my foot on the brake and a little gas on the accelerator. With the second option it sometimes feels like my car has a low hum particulary with the A/C on. After a while she behaves and no dramas.

I have noticed that in the mornings it goes to about 800rpm and by the time I am down the road (about 700 metres) it has almost fully warmed up and the idle is at 600rpm. It can be so annoying sometimes that I can put the car in reverse (after I have started it up), reverse out put in neutral it vibrates annoyingly and put in drive and off it goes.

So from my experiences this is the same issue as mentioned in the post http://soarercentral.com/sc-forum/messages/51875/72334.html

However I am confused and just want to make sure I am looking at the right thing in my engine bay. I have circled it in this picture. Is this the thing I am taking out and going to give a WD40 clean with? If so will do it and this should sort the problem out (if I did an ECU reset as well, this fixes it for a while).


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Sorry about the dirty engine bay, but she recently came back from a trip down south.
Aaron Casey
TryHard
nsw
'94 jzz30 gttl, vk, pimped mini :-)

Posts: 189
Reg: 08-2005

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Wednesday, February 28, 2007 - 07:32 pm, by:  Aaron Casey (Blownminiturbo) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

yes that is the iscv, i would clean it with throttle body cleaner or something like that rather than wd40
also has a few coolant connections attatched that can sometimes be rather annoying to get off and on.. i just cleaned mine to no avail chasing a bad idle problem
Braden Murdoch
TryHard
NSW
Cressida 1JZ TT

Posts: 318
Reg: 04-2006

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Friday, March 02, 2007 - 12:35 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)

Throttle body cleaner will destroy the nylon bits inside the ISCV, and might damage any rubber components. WD40 or turps (degreaser) would be safer.
Will Adams
DieHard
WA
Soarer GT-TL

Posts: 713
Reg: 02-2006

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Tuesday, March 27, 2007 - 01:41 pm, by:  Will Adams (Draco) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just bringing this up again, I assume when I detach this from the car, I will have some coolant leak. Is it a fair bit or is it just going to be a little bit. I have read that a top-up will be required, but have no idea how much of a top-up is going to be needed.

Can I block the pipes that lead onto it, give it a quick clean and then chuck it back without losing too much coolant?
Braden Murdoch
TryHard
NSW
Cressida 1JZ TT

Posts: 402
Reg: 04-2006

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Tuesday, March 27, 2007 - 03:13 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)

You shouldn't lose much. Feel free to put a joiner in to bypass the coolant around the ISCV for the future. Also saves you losing coolant again when you go to clean it next time.
Will Adams
DieHard
WA
Soarer GT-TL

Posts: 723
Reg: 02-2006

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Thursday, March 29, 2007 - 07:46 pm, by:  Will Adams (Draco) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Another question is there a difference between the V8 and the TT's ISCV?

I have found these pictures (through searching on the forum) and confused as to why mine doesn't really look like them. It seems I am missing the screws on the black part that is attached to the base of the whole unit.

ISCV's that I have seen

http://www.planetsoarer.com/IAC/iac.htm


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


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On mine I can not see any of the screws just the 2 nuts that need to be undone.
Benjamin Burgess
Goo Roo
NSW
Toyota Soarer GT-TL, Toyota Corolla Conquest

Posts: 1214
Reg: 07-2005

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Friday, March 30, 2007 - 09:03 am, by:  Benjamin Burgess (Jampac) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

There both v8 ISCV's. They can be repaired, the TT ones can't.
Will Adams
DieHard
WA
Soarer GT-TL

Posts: 725
Reg: 02-2006

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Friday, March 30, 2007 - 11:14 am, by:  Will Adams (Draco) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

So what do I do then if I have an idling issue with my TT? All previous threads were advised to clean them with a bit of WD40?
Benjamin Burgess
Goo Roo
NSW
Toyota Soarer GT-TL, Toyota Corolla Conquest

Posts: 1218
Reg: 07-2005

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Friday, March 30, 2007 - 11:35 am, by:  Benjamin Burgess (Jampac) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

You go to Toyota and bend over and take it up the ass as they want nearly $1000 dollars for a new one.
Will Adams
DieHard
WA
Soarer GT-TL

Posts: 726
Reg: 02-2006

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Friday, March 30, 2007 - 11:59 am, by:  Will Adams (Draco) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

How have other people cleaned these things then? Many threads on here with TT owners cleaning out their ISCV's.
Joshua Astrologo
Newbie
ky
tt

Posts: 3
Reg: 02-2007

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Sunday, April 08, 2007 - 02:44 am, by:  Joshua Astrologo (Armyastro) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Benjamin Burgess wrote on Friday, March 30, 2007 - 09:03 am:




actually i just took mine apart and cleaned it but you cant take the black motor apart only it off the aluminum housing and clean it... there is two cylinder shaped parts on the housing with a hole in one side of each and not in other. the side with the hole has sealer in it. get a 1/16 drill bit and drill straight through center to get the sealer out of it(should be white) and drill through until it comes out the aluminum housing in the back then get a 1/8 inch drill bit and drill the housing where the other drill bit came out. then get a 1/8 inch punch and knock the roll pin out of the housing(two of them) and twist the black motor off the housing. to put together just seal the motor again stick on the housing and put the roll pins back in and reseal the holes.... done
Benjamin Burgess
Goo Roo
NSW
Toyota Soarer GT-TL, Toyota Corolla Conquest

Posts: 1246
Reg: 07-2005

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Sunday, April 08, 2007 - 07:55 pm, by:  Benjamin Burgess (Jampac) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

champion. Going to try this on my spare iscv
Michael Sinay
TryHard
NSW
TT

Posts: 174
Reg: 07-2005

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Wednesday, September 07, 2011 - 09:07 am, by:  Michael Sinay (Mikey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

So does anyone know the actual price for a new TT ISCV?
Matthew Weaver
DieHard
Victoria
Soarer TT

Posts: 555
Reg: 01-2010

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Friday, September 16, 2011 - 04:02 pm, by:  Matthew Weaver (Spinna) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

its $800 - $900 better to get one second hand

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