Date: Tue, 11 Jun 2002 02:03:14 GMT From: Bob <uctraingNOSPAMnopsamanet.com> Subject: Re: FILL COOLANT FLUID
On Mon, 10 Jun 2002 20:56:51 +0000 (UTC), "SimonJ" <Menopsam.net> wrote: > >> >> Is the Merc coolant better than the Saab factory coolant for some >> reason ? The Saab coolant is much easier for me to get around here >> and I'm planning on a flush and fill soon. >> >The merc coolant is said to be better for the head gasket, as it contains an >additive that prevents formation of crystaline deposits. The reason this is >good for a Saab is that the aluminium head expands at a different rate to >the cast block, and hence you get minute sliding movement at the head gasket >joint. If you have crystaline deposits in the joint, they act a grinding >paste, and eventually wear away the gasket. Thanks, that makes sense. Funny that Saab does not use the same additive. Bob
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