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95 caprice and the heat doesn't work I have replaced the thermostat and flushed the heater core The blower motor turns on but the air comes out outside temp help me please?
Wiki User
∙ 13y ago
the flaps in the ductwork are controlled by multicolored vacuum lines on back of heater control assembly and vacuum is supplied by the carburetor/throttle body/intake. they may be disconnected,theres a coffee can looking cannister iaround the front of the engine compartment or a plastic bubble they are connected to that could be cracked or rusted out and therefore no vacuum cuz theres a hole in the system, or the flaps are just stuck or the rods that move them or the diphrams under the dash that control the rods are disconnected,or worn
Wiki User
∙ 13y ago
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92 caprice and the heat doesn't work I have replaced the thermostat and flushed the heater core The blower motor turns on but the air comes out outside temp help me please?
the heat selector slide switch may not be connected or if the cable gets loose you can slide the heat selector back and forth but it won't switch the door over to heat. had that problem in a different car but sounds like whats wrong
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