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Location:
Canberra ACT
Registered:
November 2002
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Turbo Manifold for 3S-GTE
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Mon, 02 May 2005 10:21
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Hi Guys,
Has anyone out there replaced/repaired the turbo manifold on their GT4?
My exhaust shop suggested it was a 10+ hour job running upwards of $1,300 
Apparently you have to remove the turbo and intercooler completely before you can even assess what the problem is. Then you're up for new (genuine Toyota) gaskets etc.. and have to replace any studs that are broken along the way!
Any words of wisdom or experience most welcome.
Thanks.
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I supported Toymods
Location:
Perth, Western Australia
Registered:
December 2002
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Re: Turbo Manifold for 3S-GTE
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Mon, 02 May 2005 10:30
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Yep, for a Group A, it will prolly take ten hours, and dependant on parts required and price paid, it could run up to $1300. Mind you, if you do it yourself, you'll more than halve that figure.
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Location:
brisbane
Registered:
December 2004
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Re: Turbo Manifold for 3S-GTE
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Mon, 02 May 2005 11:26
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dunno about group a's but i got a quote for a steam pipe custom manifold with external gate for 700 fitted to the car and turbo but no oil and water lines
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Toymods member
I supported Toymods
Location:
Rydalmere, NSW
Registered:
May 2002
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Re: Turbo Manifold for 3S-GTE
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Mon, 02 May 2005 22:50
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If you need a dump pipe and 5-stud adaptor flange with short 3" adaptor pipe, let me know. I'm trying to get rid of mine.
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Location:
Brisbane
Registered:
February 2003
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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 03:07
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There is no antilag on the ST185 group A's only the ST205 Group A's.
To the best of my knowledge the exhaust manifolds are exactly the same on ST185 vs ST185 GrpA.
I was going to replace my turbo a while ago because mine is getting a bit old and I have a good ST205 turbo (CT2620B).
I started removing everything I needed to get to the turbo including W/A IC, Alternator, Airbox (makes it easier), splashgaurds etc. and the I found that the dump pipe (lovely cast item) and its bolts were rusted together.
No matter how much I tried with the metrinch and WD I couldn't get them to move in such a confined space.
I would suggest that any group A that hasn't had the dump pipe replaced or at least taken off a few times since new will be the same as mine.
I ended up giving up on removing the turbo as I would have had to remove the radiator and thermo fan to "possibly" give me enough room to get the bolts undone with a 3/4" ratchet and extention bar.
I decided (like everything else) that the turbo will be replaced when I do my conversion (current ETA Feb 2010... so the car gets to the nationals) and have the engine out.
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Location:
campbelltown nsw
Registered:
April 2003
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 03:12
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hey toobs,
i spose your not willing to sell the ct20b are you?
thanks,
andy
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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 04:25
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Also what are you doing to the manifold?
The standard item is a chunk of cast iron and is not likely to need repair / replacing... unless you "want" to replace it.
Do you just need to replace a gasket?
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Location:
Canberra ACT
Registered:
November 2002
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 04:43
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| Toobs wrote on Tue, 03 May 2005 14:25 |
Also what are you doing to the manifold?
The standard item is a chunk of cast iron and is not likely to need repair / replacing... unless you "want" to replace it.
Do you just need to replace a gasket?
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There is apparently a leak in the turbo manifold, which I originally thought was just a minor exhaust leak near the turbo - no such luck.
So not really sure - if there is a leak there I assume that either the manifold is stuffed or the gasket is leaking. This is probably something you can't really determine until you've pulled everything off anyway 
Also, I was told I would be up for several hundred $$$ just to get the genuine Toyota gaskets!!
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Location:
Brisbane
Registered:
February 2003
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 05:28
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nah man, thats crap. I paid $36 for the two head-manifold gaskets and $18 for the turbo-manifold gasket.
Geniune toyota.
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Location:
Newcastle
Registered:
June 2004
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Location:
Perth
Registered:
May 2004
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 07:21
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I wonder if anyone could tell me whereabouts the turbo would sit with regards to standard manifold turbo location, using one of those "MonstA's"?
Would it sit further down and to the right?
Or sit more toward the front and higher up (in a gt4)?
If anyone knows, or better yet has one of these installed can they take a photo for me, cheers 
Adam
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Location:
Canberra ACT
Registered:
November 2002
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 08:14
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| acreese wrote on Tue, 03 May 2005 17:21 |
I wonder if anyone could tell me whereabouts the turbo would sit with regards to standard manifold turbo location, using one of those "MonstA's"?
Would it sit further down and to the right?
Or sit more toward the front and higher up (in a gt4)?
If anyone knows, or better yet has one of these installed can they take a photo for me, cheers
Adam
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Also - wouldn't the turbo sit in a slightly different spot on the MR2 than the Celica due to the mid-mounted location?
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Location:
Newcastle
Registered:
June 2004
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Toymods Vice President
Location:
Sydney
Registered:
May 2002
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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 11:25
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Hmm... changing the turbo exhaust gasket will be a bitch.
You have to remove the turbo stay, turbo elbow stay and the cat stay... all of which could well be fused together with Ferrous Oxide force!
If you are going to use a workshop to change the gaskets get them to do some other stuff at the same time.
Send the turbo off and get the seals and bearings replaced and the thing rebalanced (circa $400).
Maybe remove the cat and put on an aftermarket item (e.g. Aussie Exhaust). Don't tell JustenGT4 [EPA]
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Location:
Canberra ACT
Registered:
November 2002
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Re: Turbo Manifold for 3S-GTE
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Tue, 03 May 2005 11:35
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| Toobs wrote on Tue, 03 May 2005 21:25 |
Hmm... changing the turbo exhaust gasket will be a bitch.
You have to remove the turbo stay, turbo elbow stay and the cat stay... all of which could well be fused together with Ferrous Oxide force!
If you are going to use a workshop to change the gaskets get them to do some other stuff at the same time.
Send the turbo off and get the seals and bearings replaced and the thing rebalanced (circa $400).
Maybe remove the cat and put on an aftermarket item (e.g. Aussie Exhaust). Don't tell JustenGT4 [EPA]
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Yeah, since everything will be off anyway, I wanted to look at any other 'fixes' I should do at the same time 
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Location:
Canberra ACT
Registered:
November 2002
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 Re: Turbo Manifold for 3S-GTE
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Wed, 04 May 2005 10:05
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| CLG wrote on Mon, 02 May 2005 20:30 |
Yep, for a Group A, it will prolly take ten hours, and dependant on parts required and price paid, it could run up to $1300. Mind you, if you do it yourself, you'll more than halve that figure.
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Just out of interest - why would a GroupA be any different to any other GT4 for this type of job?
Isn't the only difference a w/a intercooler? Surely the turbo manifold, gaskets, turbo etc.. are the same on GroupA as a standard GT4?
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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: Turbo Manifold for 3S-GTE
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Wed, 04 May 2005 11:45
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It would only be maybe 10 mins difference and half a bottle of toyota red extra.
Not much else different about the process.
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Location:
Newcastle
Registered:
June 2004
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Location:
Canberra ACT
Registered:
November 2002
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Re: Turbo Manifold for 3S-GTE
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Thu, 19 May 2005 11:00
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I bought one of those SS manifolds from ebay. Looks pretty good and should flow better than the standard one.
I plan to attempt to fit it myself as well. Any words of wisdom before I start on the job?
Also want to do an Aussie dump and maybe steel turbine conversion on the CT26 at the same time. They should both be worthwhile upgrades as well.
Wish me luck 
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Location:
Brisbane, Queensland
Registered:
January 2004
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Re: Turbo Manifold for 3S-GTE
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Thu, 19 May 2005 11:02
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My tip to you, is remove the dumppipe/turbo/exhaustmanifold in one big hit. As one piece, so much easier... Also remove the radiator to make a bit of room.
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Location:
Brisbane, Queensland
Registered:
January 2004
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Re: Turbo Manifold for 3S-GTE
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Thu, 19 May 2005 11:05
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Plenty of WD40 on all bolts and let them soak over night, and hit them again before tackling the bolts. Might save a few headaches later on.
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Location:
Canberra ACT
Registered:
November 2002
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Re: Turbo Manifold for 3S-GTE
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Thu, 19 May 2005 11:14
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Thanks for the advice. I found an article on Bill Evia's site which talks about removing the turbo http://billevia.tripod.com/welcometobills1990toyot ast185turbocelicaalltracwebsite/id10.html
He recommends removing the intercooler, intake, radiator, fan, oxygen sensor, heat shields, oil filter & base, dipstick, alternator, A/C compressor and cat (in that order).
Big job, but an opportunity to save $$$ (and learn a bit about the beast at the same time )
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Location:
Brisbane, Queensland
Registered:
January 2004
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Re: Turbo Manifold for 3S-GTE
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Thu, 19 May 2005 11:17
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If your handy with a spanner, it shouldn't take you more then 3-4hours. From start to finish.
Keep an eye on the new exhaust manifold though, since they are prone to cracking.
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