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dmartin1953
New User
Feb 19, 2009, 4:03 PM
Post #1 of 2
(2375 views)
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loosing anti-freeze
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I have a 2003 Saab 93 that is loosing anti-freeze. Dealer says it could be a leaking head gasket. Does not appear to be leaking in driveway or when idling. If head gasket is cracked and fluid is mixing with oil, shouldn't oil level rise on dip stick? Any suggestions on what to do? Would replacing the thermostat and changing oil be a way to tell? Thanks for any help!!!!
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Loren Champlain Sr
Veteran
/ Moderator
Feb 19, 2009, 4:48 PM
Post #2 of 2
(2371 views)
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Re: loosing anti-freeze
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dmartin; Head gaskets seldom leak externally, so you usually won't see any 'puddles'. They will, most of the time, leak into the exhaust ports, so the water will get burned and exit the exhaust as steam. If the exhaust is getting into the cooling system, it will super heat the coolant and you'll have overheating issues. Very simple test for that. Either with a chemical or with an exhaust analyzer. If the head gasket blows into an oil jacket, then you will get coolant into the crankcase which will destroy the engine in a heartbeat.
Loren
SW Washington
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