Question about 1995 Oldsmobile Ninety Eight

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Heat 1995 olds 98, 70K miles....i get plenty of heat during city driving, but while on the highway for a hour or two all I get is cool air, Checked fluids hot & cold always at the mark........any suggestions. the car has dual controls Thanks Mike Kraska Dayton, ohio

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Did you try installing a new thermostat ?it sounds like it could be sticking open.

Posted on Jan 06, 2009

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AC temp mode control motor.

Posted on Jan 06, 2009

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