1988 Other Oldsmobile Models heater/defroster

1988 OLDSMOBILE
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ROPERROPER
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Heater problem
1988 Other Oldsmobile Models 6 cyl Front Wheel Drive Automatic 198k miles
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WINDOWS FOG UP WHEN HEATER IS TURNED ON DEFROSTER FAN WORKS AIR CON WORKS ROLLING DOWN WINDOWS DOES NOT HELP
Mar 23, 2008 at 7:49 AM
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MERLIN2021
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Sounds like the heater core may be starting to leak....have a cooling system pressure test done, this will show if it hold pressure or not....
Mar 23, 2008 at 8:46 AM