My engine overheats when the air conditioner is running. When the air conditioner is off the thermostat returns to normal... I have replace the coolant, thermostat, radiator cap, radiator heat sensor, all hoses and installed a new radiator. Could my problem be a bad water pump? The timing and head gasket are fine...
Engine Overheating on 1998 BMW 740i
2 answersOctober 21, 2010
1 answerFebruary 20, 2011
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