Question about 1988 Volvo 240

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I have a 1982 242 volvo dl the temp gauge goes up to the red line at speed of 60mph or higher slow down or stop comes right down I do not what to start putting all new parts in if it is a easy fix

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Well, it could be a clogged radiator, stuck thermostat, bogus fan clutchbut it is disconcerting that it heats up at highway speeds and cools down when slowing down. This really sounds like a blown head gasket to me. Combustion gas is seeping into the coolant and overheating it. I would have a reliable shop check your coolant for the prescence of carbon monoxide. They can check it w/ a simple test kit. There should be no CO in the coolant.

Posted on Apr 21, 2009

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