Date: Fri, 03 Sep 2004 21:42:30 +0100
From: Colin Stamp <colinnospamp.plus.com>
Subject: Re: Head Gasket


On Fri, 03 Sep 2004 04:00:40 GMT, Bob <nopenospamlmakingupaddresses.com> wrote: >On Thu, 02 Sep 2004 18:20:44 +0100, Colin Stamp <colinnospamp.plus.com> >wrote: > >>I'm all worried now. I might have to check mine... >> >>They're stretch-bolts aren't they? How do you know if they've worked a >>bit loose - or can you only spot really loose ones? > >You can't tell by looking. You can tell with a wrench but you need a >torque wrench to redo them. You also need a very large torx bit - I >forget which size. Since it is not a new gasket and you are not using >new bolts, you have to improvise on the specs a little. Use the >pattern in the book, bring them up so they are all at 50lbs, then up >to the spec, then a bit tighter. I say a "bit" tighter because the >book will say (when new) to pull them to 72lbs (or so, AFAIR) then >turn another 45 degrees. That was really not comfortable for me so >I picked a reasonable setting and torqued them up a bit more. > >This is advanced DIY. You're on your own here. > >>Can you re-use the cam-cover gasket? > >Yeah, but since it only costs a few bucks, take advantage of the >opportunity to replace it. > Thanks Bob, Yep, it's the improvising on the spec thing I'm a bit worried about. The spec for my 9-3 says 30lbs then 44lbs then 90 degrees. 44lbs sounds quite loose, but the extra 90 degrees sounds like it should only be done once per bolt. I suppose I'll cross that bridge when I come to it... Cheers, Colin.

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