heating and cooling on 1990 Saab 900

heating problems, blowers are working but not heat just cold air in the winter and cold seasons

by in Detroit, MI on March 25, 2010
1 answer
ANSWER by on March 25, 2010
keep your water level high if it smells like rotten eggs and your floors wet then your heater core it its like a 6 hour job for sombody that does them a lot
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Poor cooling from the air conditioning may be caused be leaks from the AC cooling lines at the AC compressor. Inspection of the system is recommended to isolate any potential leak.
The air conditioning expansion valve can fail causing poor, or no cooling from the AC system.
The AC evaporator can leak causing poor cooling of the air conditioning. The loss of refrigerant may be hard to diagnose.
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