Don;
There are two possible sources of cooling system pressurization. One from
exhaust gases and another from overheating. A trip to your friendly
mechanic(as I did) who can use his exhaust gas analyzer to sniff the
overflow tank for hydrocarbons.
Our 85's problem turned out to be a plugged radiator and not head
problems.
Drive Safely & Good Luck
Ken Lewis<Kernersville,NC>86 VW crewcab;60 T-5 Coupe

On Tue, 26 Jan 1999 18:05:19 EST Don Record <DrocerNod@AOL.COM> writes:
>I am considering buying an 87 Gl with "head problems".  I can find >no
visable leaks but the owner says the cooling system pressurizes >every 50
miles or so.

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