94 mercury sable gs wagon has no heat. thermostat is fine. just blows cold air. ?

  • Thread starter Thread starter Rachel W
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Rachel W

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seems to make no differance when you switch it from cold to hot. took climite panal out seems to not have power going in or out where the hot cold switch is. power is going to the air conditioner/ heater switch. door closest to the passenger side does shut when the heater is turned on.
 
1, it's a ford, same shit happened to me as fords cannot get the simplest technologies to remail reliable after 30k miles. Its not circulating the hot water somewhere. u gotta get a pressure test
 
You have a pin hole in the vacuum line, on the driver side. There is vacuum canisters on both sides of the car to open, and close the vent doors, one has to be checked, and replaced. Your problem is in the vacuum hose.
 
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