I have been asked many times about the auto blower control on 2003- 2007 Chevrolet Silverado Classic and GMC Sierra Classic trucks so I decided to take some readings on my truck. This also applies to the Tahoe, Yukon, Avalanche, Escalade and Suburbans of the same era with auto a/c controls. The blower control processor … Continue reading “2003 Chevrolet Silverado, Blower”
This 1996 Pontiac Grand Prix came in on a hook with a no crank condition. In the automotive world a “no crank condition” is the starter does not work and a “no start condition” is the starter works but the engine will not run but I digress. The first I noticed when I tried to … Continue reading “1996 Pontiac Grand Prix, No Crank Condition”
This 1997 Chevrolet S10 Blazer cam in with the service engine soon light on and a complaint of low power. Checked data with Tech 2 scan tool and found codes P0102 MAF sensor circuit low frequency and P0340 cam position sensor circuit. I checked CMP retard and found it fixed at -60 degrees. … Continue reading “1997 Chevrolet S10 Blazer, Codes P0102 and P0340”
This 1992 Cadillac Deville came in with no blower operation. I checked at the blower motor which is on the right side of the picture behind the bar that goes between the two front strut towers. No power was present with the key on and blower set to high. The blower power module is behind … Continue reading “1992 Cadillac Deville, Blower Inop”
This 2002 Chevrolet Camaro came in with the complaint that little or no air was coming from the vents but the blower seemed to work fine. I listened to the fan motor on high and could tell there was something in the fan blade. I removed the retaining pins from the passenger side lower hush … Continue reading “2002 Chevrolet Camaro, Blower Works, No Air Flow From Vents”
This 2004 Ford F150 Pickup came in with the complaint that the vehicle would not accelerate. I checked codes and found a code P2100 stored for and open circuit in the throttle body motor. In order to test I had to remove the breather assembly. I removed the hold down bolts. Disconnected the sensor harness. … Continue reading “2004 Ford F150, Code P2100, Will Not Accelerate”
This 1998 Ford Crown Victoria came in with the complaint that the #2 fuse in the underhood fuse box will blow while going down the road. The customer stated that he could tell when it happens because the air bag light will come on and the charge indicator gauge will start dropping. The test light … Continue reading “1998 Ford Crown Victoria, Blows #2 Fuse, No Crank, No Charge Condition”
I have been asked several times how to change the blower motor in later model Chevrolet and GMC Full sized trucks as there are no mounting screws. This includes 2003 through 2007 Classic series trucks. There is a locking tab that has to be pulled down past the stop and then the motor assembly can … Continue reading “2007 Chevrolet Silverado Classic, Changing The Blower Motor”
This 2001 Dodge 1500 Pickup was already in the shop for a temperature control problem and while working on it I notice that the blower motor was very noisy and had a bad vibration to it. There are three screws that have to be removed to take the blower motor out for inspection. Two are … Continue reading “2001 Dodge Pickup, Noisy Blower Motor”
This 2001 Dodge 1500 Pickup came in with a complaint that the a/c would blow cold for about 30 seconds and then it would shift to full hot. I started with inspecting the temperature door actuator. It is located under the passenger side of the dash near the transmission hump in the floor board. I … Continue reading “2001 Dodge Pickup, No Temperature Control”