2003 Chevrolet Silverado, Changing the Mode Actuator, Code B0263

This 2003 Chevrolet Silverado came in with the air flow stuck on defrost. A simple diagnosis of a code B0263 found a faulty mode actuator.  This repair applies to 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, and 2011 Chevrolet Avalanche, Silverado, Suburban and Tahoe. It also applies to Cadillac Escalade, GMC Sierra and Yukon … Continue reading “2003 Chevrolet Silverado, Changing the Mode Actuator, Code B0263”

2002 Chevrolet Trailblazer, B0028, B0029 & B0030

This 2002 Chevrolet Trailblazer came in with the airbag light on and codes B0028, B0029 & B0030 for passenger side air bag wiring faults. Something that has had a hard time sinking into my head is, when the scan tool states that there is a problem with a passenger or driver side air bag, SIDE … Continue reading “2002 Chevrolet Trailblazer, B0028, B0029 & B0030”

2003 Chevrolet Impala, Battery Goes Dead

This 2003 Chevrolet Impala came in with the complaint that the battery would go dead after a couple of days of driving. The customer stated that the battery light had been coming on and going off for a while now. The alternator has been replaced three times and the battery twice. The battery light was … Continue reading “2003 Chevrolet Impala, Battery Goes Dead”

2003 Chevrolet Impala, No Crank Condition

This 2003 Chevrolet Impala came in withe the complaint that it would not crank, starter would not work. It turned out to be a very simple problem. The car was purchased from a county auction and driven to my customers house. He started cleaning the vehicle up and had noticed a lot of extra wiring … Continue reading “2003 Chevrolet Impala, No Crank Condition”

2000 Chevrolet Impala, No Crank Condition

This 2000 Chevrolet Impala came in with several complaints. The main complaint was that the engine would not crank over or run. Also the ABS lights would come on. The problem according to the customer had been intermittent and going on for about a year. Luckily, when the vehicle arrived the problem was still present. … Continue reading “2000 Chevrolet Impala, No Crank Condition”

2003 Chevrolet Silverado, A/C Leaks

This 2003 Chevrolet Silverado had come in about a month earlier, on a Friday afternoon and the customer wanted the system cold for a trip he was going on. The system had a low refrigerant charge. I added dye and oil, vacuumed it down and recharged the system. I advised the customer to come back … Continue reading “2003 Chevrolet Silverado, A/C Leaks”

Changing The Recirculation / Fresh Air Door Actuator Part 2

This 2004 Chevrolet Avalanche came in with multiple a/c problems including a code B0268, fault in fresh air /recirculation actuator assembly. This procedure applies to full sized Chevrolet and GMC trucks from 2003 to 2007 Classic. Avalanche, Sierra, Silverado, Suburban, Tahoe and Yukon. 1999 through 2002 Trucks would also be very similar. This post is … Continue reading “Changing The Recirculation / Fresh Air Door Actuator Part 2”

1991 Chevrolet Caprice Classic, Short In Park Lights

This 1991 Chevrolet caprice came in with the complaint that fuse #14 blows for the park / tail lights. As is normal for myself when looking for a short in the lighting systems, I went around the outside of the car and looked at the lights. There it was finally an easy one. The driver’s … Continue reading “1991 Chevrolet Caprice Classic, Short In Park Lights”

2004 Chevrolet Tahoe, Code P0178

This 2004 Chevrolet Tahoe came in with the SES light on and complaints of poor fuel economy and a “strange feel to the engine”. I checked codes and found a code P0178 stored along with misfire and lean codes. P0178 is set if the frequency reading in the fuel composition sensor is below 45 Hz … Continue reading “2004 Chevrolet Tahoe, Code P0178”

1998 Chevrolet Cavailer, No Low Beam Headlights

This 1998 Chevrolet Cavalier came in with the complaint of no low beam headlights. A quick check at the low beam headlight connector found that the ground signal from the dimmer switch on the dark blue wire was missing. I looked at the wiring under the battery tray and there was no sign of acid … Continue reading “1998 Chevrolet Cavailer, No Low Beam Headlights”