How? A compression test will not reveal a tiny leak which is plenty to pump up the cooling system with air. I had this exact same problem with my 85 sunroof GL. Got progressively worse because air in the system continues to overheat stuff. Eventually it got so bad I had to admit it was the heads. The cooling system runs pressurized so any leaks will not allow air to enter but instead create a leak of antifreeze on the ground. Betcha a nickel its the heads. Doug
Doug ----- Original Message ----- From: "John Connolly, Aircooled.Net" <john@AIRCOOLED.NET> To: <vanagon@GERRY.VANAGON.COM> Sent: Saturday, April 01, 2006 6:06 PM Subject: Re: Air Getting into Cooling system
> head gaskets are fine, already checked that. > > John |
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