Question about 2002 Chevrolet TrailBlazer
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Posted on Jan 02, 2017
most of the time computer just needs to relearn itself. should straighten itself out after a drive.if not try cleaning the throttle plate
Posted on Dec 03, 2008
rickalber: The fan motor switch is within what GM refers to as the HVAC control unit. This is located in the dash, You actually touch part of it, which are the knobs.
Looking at the flat rate guide, it shows 4 tenths of an hour to change the part out and the part retails for $142.58
Are you sure you need this part?
What are the symptoms?
If the blower runs but only has high, it is not the switch, but the blower resistor! That part cost $24.00 but takes 8 tenths of an hour to replace according to GM.
Make sure of your diagnosis before replacing a part. All too often, I see people throwing parts at problems and spending small fortunes on simple problems. Had they only waited and gotten professional help.
I had a customer bring his car into my shop after he had spent untold hours trying to fix his car and nearly a thousand dollars in parts.
After listening to his discription of the problem, it took all of 5 minutes to pin the problem down and fix it. We found his problem which was a loose ground wire on his intake manifold which affected his fuel injection system. We happened to specialize in this product and the problem was quite common!
CAN YOU SAY HOPPING MAD?
We charged him about $50.00! He has learned a very expensive lesson. Mind you, this doesn't mean you shouldn't try to fix your own car, but make sure it is something you can handle and if the tech says he/she thinks it may be better addressed by a professional actually working on it, take their advice.
Posted on Apr 20, 2009
Your switch acts as a reastat which adjusts your speeds your switch is going bad so you only have the two speeds left on that reastat.. thanks Jerry
Posted on Apr 22, 2009
SOURCE: ac/heater control module
I have a 1989 Olds 98 Reg. Bro. I have recently located my ac control module under the hood on the firewall. removing it should take about 20 mins depending on whats in the way. but to cost to replace is the kicker. I found the part @ NAPA for $240.00. may i suggest craigslist.org and look under parts for your car or one like it. the car made like mine would be a 1989 Cadillac DeVille. I hope this helps.
Posted on Aug 15, 2009
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