Coolant is disappearing, but not on ground or in oil - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-05-2006, 12:19 PM   #21
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Nice going, Bigfoot. Thanks for reporting how it all turned out. Glad to hear that you were pleased with the APN kit. I think you will have a good shot at that 300K goal now!
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Old 12-05-2006, 12:30 PM   #22
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Thx, Bill.

The engine really seems strong. Cleaning the fuel injectors really smoothed it out too.

We have a shop here in Indy that uses an ultrasound techinique to clean them. He said one of mine was only capable of outputting 60% of the needed volume, and the others were all at 90% or less. He brought them all up to spec for $150, which I hear is a good price.

I really enjoy driving it again.

I still have a tranny issue in that the TCC won't stay locked above 2000 rpm. I believe that is also causing the OD to not engage. My guess is the valve body needs to be replaced but that is a bit out of my league. Not sure what to do at this point. I might take it in to Aamco???
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Old 12-05-2006, 12:32 PM   #23
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Please start a new topic regarding the transmission issue.
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Old 11-01-2012, 01:27 AM   #24
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Sorry to bring up an old thread, but I cant find any mention of this APN upper intake manifold kit anywhere for sale on the interweb. Anyone have a link of where to buy??

Thanks!
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Old 11-01-2012, 05:37 AM   #25
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Geez, I just spent the last 10 minutes trying to find it myself. This part is hard to track down...

GM Intake Manifold Kit

APN ID#: 17806

Funny, it says it has everything you need except for the throttle body gasket.

If you have any more questions, feel free to start a new thread in the 92-99 section.
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Old 11-01-2012, 08:02 AM   #26
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Quote:
Originally Posted by FirebirdStud View Post
Sorry to bring up an old thread, but I cant find any mention of this APN upper intake manifold kit anywhere for sale on the interweb. Anyone have a link of where to buy??

Thanks!
the dorman kit is on rock auto for like 67. Dorman pn 615-180 is the manifold, comes with the gaskets preinstalled, pcv and injector o-rings but not the upper ones so autozone had a oring multipack
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Old 11-01-2012, 10:21 AM   #27
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I think is he looking for the upper that has the egr correction built in.
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Old 11-01-2012, 12:14 PM   #28
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whats the need for the egr, i dont remember specifically having that metal insert but i wasnt looking for it either. i do remember reading something saying it was thicker were it needed to be for the cracking
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Old 11-01-2012, 02:50 PM   #29
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It was a simple solution to prevent hot egr gasses from cracking the plastic manifold. The other option is to block the coolant ports on the LIM.
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Old 11-01-2012, 05:09 PM   #30
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well i did that to, good thing i did the lowers were worse than the upper gaskets.
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