head gasket - Page 2 - 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 07-17-2007, 09:44 AM   #11
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If you are actually that far, you need a service manual for the torque sequence. Chilton'* #28200 at a bare minimum.

This would be the best:
http://search.ebay.com/search/search...&fsop=1&fsoo=1
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Old 07-18-2007, 10:03 AM   #12
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hi tonyd again.I took of inlet mainifold.gaskets ok .took of heads front ok rear blown, and where I had been waiting for belt and puley the bores have slight rust marks on them, so I guess i must be the fist to have head gasket go after over heating the engine. i was in the trade in England on the tools for 35 years, but don't do much here in spain, but do like USA. cars. so please again has any one got the settings for replacing theheads . thanks again for all your help.
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Old 07-18-2007, 10:19 AM   #13
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Tony, your overheating problem was very likely a failed upper intake manifold. Make sure you address that. This is a very common problem that will get every single L36 engine out there eventually.

As far as the torque sequences are concerned, I intentionally left them out of Techinfo for the primary reason that if you're that far into the engine, you should already have a service manual.

Having torqued heads myself, I can tell you they are torque-to-yield bolts that are one-time use only. You have to get it right the first time. You torque a certain amount, then again, then again. Some by torque, some by angle, and it must be in the proper sequence. These are not the only bolts you need this for. The rocker arm bolts are also torque-to-yield.

You should have a service manual to do this work. There is no question.
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