Question about 2003 Chevrolet TrailBlazer
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Posted on Jan 02, 2017
YOUR FAN CLUTCH IS A ELECTRO VISCOUS PCM CONTROLLED FAN CLUTCH.SOUND LIKE THE FAN CLUTCH IS BAD.IT SHOULD HAVE LESS RESISTANCE WITH COLD ENGINE.AND HOT ENGINE THERE SHOULD BE INCREASE IN RESISTANCE.IF NOT FAN CLUTCH HAS FAILED.REPLACE IT.
Posted on Aug 13, 2009
there are two coolant temp sensors on this car one controls the fans and one controls the temp guage in the car. one is located near the thermostat housing and the other is usually located in the block. the one near the thermostat housing usually controls the fans. also try to jumper the fan and make sure the fan is working.
Posted on Aug 24, 2009
sounds like you have an issue with a leak. I would recommend having a evac and recharge with a leak test. the reason it was getting worse was you were slowly losing r134a refrigerant and the low pressure cutout switch cut the compressor off and now there isn't even enough for it to run safely. so the bcm is stopping it until there is enough pressure.
Posted on Mar 05, 2010
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