This 2000 Chevrolet Silverado came in with the complaint that the a/c was not getting cold. A quick visual inspection found that the a/c belt was gone. Most owners do not even realize there is a separate a/c belt. In order to replace the belt, the primary serpentine belt has to be removed. This requires … Continue reading “2000 Chevrolet Silverado, Changing The A/C Belt”
This 2000 Chevrolet Silverado came in with a complaint that there was not much air coming through the vents. The customer said he thought the blower motor might be worn out. A quick look under the dash and I saw that this truck has a cabin air filter. I removed the single screw at the … Continue reading “2000 Chevrolet Silverado, Changing The Cabin Air Filters”
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”
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”
The customer brought this 2002 Chevrolet Silverado 2500HD, with a 6.6 liter diesel engine in, with the complaint that the batteries go dead and is slow cranking sometimes. He had replaced the batteries and the problem got better but is now starting to happen more often. The batteries on a dual battery system have to … Continue reading “2002 Chevrolet Silverado Battery Goes Dead”
A 2001 Chevrolet 2500HD with a 8.1 liter engine came in with the complaint that the engine would stall. Sometimes it would restart right away and sometimes it would not. I checked codes and found a code P0335 stored for a crank sensor fault. I did a basic inspection for anything obvious and found nothing … Continue reading “P0335, 2001 Chevrolet Silverado 2500HD”
This 2001 Chevrolet Silverado came in the shop with the complaint of no stoplights. First I confirmed that none of the stoplights were working including the CHMSL (center high mounted stop light). After this I went to the underhood fuse box because the manufacturer has made diagnosing the stoplights very easy at this location. By … Continue reading “2001 Chevrolet Silverado With No Stoplights / Brakelights”
This 2001 Chevrolet Silverado came in with the complaint that the ignition key will not turn most of the time. I removed and inspected the lock cylinder and housing assemblies and found the fault with the tumbler assembly. The following are pictures of dis assembly. Grasp the corner of the dash and pull out. Repeat … Continue reading “2001 Chevrolet Silverado Ignition Lock Cylinder Will Not Turn”
This is a very common problem on 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007 Chevrolet Silverado and GMC Sierra trucks. Over a period of time the resistor and usually the connector overheat and blower operation stops in some or all speeds. The blower resistor is located on the passenger side of the … Continue reading “2005 Chevrolet Silverado Blower Inop”