This 1994 Chevrolet C1500 came in with the complaint that the blower motor either would not work or work sometimes. A quick check of power and ground at the blower motor itself revealed a lack of ground while the problem was present. With the system on high and the blower motor not working I touched … Continue reading “1994 Chevrolet C1500 Blower Inop/Erratic”
This 2009 Chevrolet Malibu came in with the complaint that the a/c controls did not work and the whole system was dead. No blower and no compressor engagement. The customer had already bought and installed a new HVAC control head assembly to no avail. Not only did the compressor and blower not work but none … Continue reading “2009 Chevrolet Malibu A/C Controls Inop”
This 2008 Chevrolet Colorado came in with the complaint that the blower would work sometimes however the condition had worsened and now it did not work at all. Up until now I have always found two common problems with the blower systems on these Chevrolet Colorado, GMC Canyon and Isuzu I Series trucks. If the … Continue reading “2008 Chevrolet Colorado Blower Inop All Speeds”
This 2006 Hummer H3 came in with the complaint that the blower had been working sometimes but now the blower motor had stopped working completely. The most common failure point for this system is the blower resistor and it’s harness connector. This repair applies to 2006, 2007, 2008, 2009 & 2010 H3 Hummer. Both are … Continue reading “2006 Hummer H3, Blower Inop / Erratic”
This 2001 Chevrolet Tahoe came in with the complaint that the air conditioner was not cooling properly. The compressor was on and the blower was working. The air coming from the dash vents was cold but the volume of air was low. Too low for comfort on a warmer day. I was pretty sure from … Continue reading “2001 Chevrolet Tahoe Air Conditioner Is Not Very Cold”
This 2000 Chevrolet Express van came in with the complaint that it had caught fire while sitting in a parking lot. Luckily the fire went out before any major damage was done. The source of the heat was the blower resistor and it’s harness connector but there was a lot more to the story than … Continue reading “2000 Chevrolet Express Blower Not Working, Resistor Caught Fire”
This 2008 Chevrolet Impala came in with the complaint that the blower speed would shift up and down. This was also accompanied by a drastic change in the air conditioning vent temperatures. This was actually quite easy to figure out while sitting in the driver’s seat. I have the luxury of having a Tech 2 … Continue reading “2008 Chevrolet Impala Blower Speed & A/C Cooling Erratic”
This 2006 Chevrolet Equinox came in with the complaint that the blower motor worked sometimes. Most of the time it did not work. The customer had already replaced the blower motor and the blower relay to no avail. I checked the blower fuse in the underhood fuse box to make sure it was both good … Continue reading “2006 Chevrolet Equinox, Blower Erratic / Inoperative”
This 1999 Chevrolet Suburban came in with the complaint that most of the instrument cluster. Also the HVAC control head panel illumination bulbs do not work. Since a couple of them did work, I did not have to worry about fuses and switches being the problem. Just blown bulbs. Disassembly starts with grasping the edges … Continue reading “1999 Chevrolet Suburban, Replacing Instrument Cluster & HVAC Illumination Bulbs”
This 1992 GMC C1500 pickup came in with the complaint that the blower motor was squeaking and the noise was getting worse. The blower motor is located under the passenger side of the dash and has this rubber and foam sound deadening cover over it. I know it seems strange but the first step in … Continue reading “1992 GMC Pickup, Changing The Blower Motor”