This 2004 Chevrolet Tahoe came in with the complaint that the rear blower would not turn off and the battery went dead as a result. This Tahoe has manual a/c controls. The first thing that I did since the vehicle had to be jumped off to get it to my shop was to turn the … Continue reading “2004 Chevrolet Tahoe, Rear Blower Will Not Turn Off.”
This 2004 Chevrolet Silverado came in with a faulty passenger side blend door actuator. In the last post I got you to this point. If you have not yet read that post please click here. Now that the dash cover is off and you can see the actuator, but you still cannot get to it. … Continue reading “2004 Chevrolet Silverado, Changing The Passenger Side Blend Door Actuator, B0424”
This 2001 Cadillac Deville came in with multiple complaints with the rear lighting. I will try to describe as much as possible. With the trunk open the license plate and trunk lights would glow. If the park lights were turned on the two previously mentioned lights would go out. If you click on the picture … Continue reading “2001 Cadillac DeVille, Multiple Rear Lighting Problems”
This 2002 Cadillac Deville came in with the complaint that the customer could not control the air flow modes. The control panel showed movement but the air flow was stuck on vent and the air flow was not very strong. A quick visual check of the mode actuator found that someone had unplugged it so … Continue reading “2002 Cadillac Deville, B0248 B0249, No A/C Mode Control”
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”
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”
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”
This 2004 Cadillac CTS came in with the complaint that the driver’s window is down and will not go back up and stay there. The owner said she heard a pop and the window went down. Sounds like the power window regulator broke. I started by removing the manual door lock button. With the button … Continue reading “2004 Cadillac CTS Power Window Inop, Fell Down”
In an attempt to avoid any further confusion I am giving some detailed information on the blower resistors for the Chevrolet Avalanche, Silverado, Tahoe and Suburban, GMC Denali, Sierra, Suburban and Yukon and Cadillac Escalade and midsized Buick Rainier, Chevrolet Trailblazer and SSR (2004+2005), GMC Envoy, Isuzu Ascender and Olsmobile Bravada. First of all the … Continue reading “Identifying The Correct Blower Resistor for Your 1999 – 2007 Chevrolet or GMC Truck Or SUV”
This 1997 Cadillac Deville came in with the complaint that the idle speed would sometimes be okay but most of the time as the engine warmed up it would get progressively higher and higher until the engine would run at about 3000 rpms on its own with no throttle input. The following picture shows the … Continue reading “1997 Cadillac Deville, Erratic / High Idle, Code P0507”