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Re: Coolant levels irratic - Help!! 700 89

1. Check and compare coolant levels only when cold, since glycol expands with heat.

2. If you have overpressure, have a garage check the coolant chemically for the presence of exhaust gases. If the head gasket is leaking gases into the coolant, they will overpressure the system but will also show up in the coolant as dissolved gases. Easy to check. If so, you need a new headgasket.






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