GM Cars & Trucks 1960’s, 1970’s & 1980’s, Blower Inoperative Erratic

This vehicle came in with the complaint that the blower motor would work sometimes but recently it had gotten to where it did not work at all. I hardly ever see vehicles this old in my shop anymore. This is one problem that I have fixed dozens if not hundreds of times over the years … Continue reading “GM Cars & Trucks 1960’s, 1970’s & 1980’s, Blower Inoperative Erratic”

1994 Chevrolet C1500 Blower Inop/Erratic

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”

2001 Chevrolet Tahoe Air Conditioner Is Not Very Cold

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”

1999 Chevrolet Suburban, Replacing Instrument Cluster & HVAC Illumination Bulbs

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”

1992 GMC Pickup, Changing The Blower Motor

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”

2003 Chevrolet Silverado, Blower Does Not Work On Any Speed

This 2003 Chevrolet Silverado came in with the complaint that the blower did not work on any speed. The ABS and Brake lights were on as well. Testing begins at the HVAC fuses in the driver’s side fuse box that is located behind the dash end cap. The fuses need to be checked with the … Continue reading “2003 Chevrolet Silverado, Blower Does Not Work On Any Speed”

Blower Motor Systems For GM Manufactured Trucks, SUV’s and Vans 1995-2012

I have separated the information that I have for the model years 1995 through 2012. This list covers the following model trucks, suv’s and vans that were made by General Motors but sold under the Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile and Saab brands. The following list of vehicles use the same blower resistor and … Continue reading “Blower Motor Systems For GM Manufactured Trucks, SUV’s and Vans 1995-2012”

2003 Chevrolet Suburban, No Blower Speeds 2 and 4

This  2003 Chevrolet Suburban came in with the complaint that the blower had lost speeds number 2 and 4. The customer was very concerned that the other speeds would soon fail too. This Chevy Suburban has manual HVAC controls so it uses a blower resistor assembly. Make sure the ignition remains off and remove the … Continue reading “2003 Chevrolet Suburban, No Blower Speeds 2 and 4”

2002 GMC Sierra Blower Works Sometimes

This  2002 GMC Sierra came in with the complaint that the blower would work sometimes, but now, it would not work at all.  This truck has manual HVAC controls so it uses a blower resistor assembly. I do not recommend disconnecting the battery while this work is being done. Instead make sure the ignition remains … Continue reading “2002 GMC Sierra Blower Works Sometimes”

1998 Chevrolet C1500, Changing The Blower Motor

This 1998 Chevrolet C1500 came in with a no blower complaint. The starting place for testing is at the blower motor. The blower motor is located behind the passenger side of the dash and is accessed by removing the glove box. After opening the glove box there are two retainers that have to be dealt … Continue reading “1998 Chevrolet C1500, Changing The Blower Motor”