Date: Fri, 03 Sep 2004 21:10:31 +1200
From: Richard Sutherland-Smith <>
Subject: Re: Tightening Cylinder head?

> This is a multi post answer. > Engine cold:You need a 40 torx bit to undo the cam cover or a 12 mm socket > and a E16 torx socket for the head bolts, Do them 1 at a time; loosen and > retorque to 60nm/44ftlb, then 80nm/59ftlb. then 90 degrees. > This is meant to be a preventative measure and not a cure for a blown > gasket, But if done in time can quite possibly save you a fair amount of > money. > Will the cam cover seal leak if reused?, It will or it won`t, but beware the > over use of silicone. > It seems to affect 16 valve engines with balance shafts the most, But I had > a 1990 900 16v turbo the other day with a blown head gasket and the bolts on > that engine were nowhere near tight enough. > HTH Tom, Saabtech. > > Thanks, just what I wanted to know. And yes, I use Loctite 518 rather than the dreaded silicone!! -- Richard & Mary Sutherland-Smith 19 Webb Road, Wanganui 5001, New Zealand

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