This 2000 Oldsmobile Intrigue came in the complaint that the a/c vent positions could not be controlled. It would just blow out of every location a little, but no where with any force. This Olds Intrigue has auto a/c controls. It has an electric over vacuum control system for operating the door positions. The first … Continue reading “2002 Oldsmobile Intrigue, No A/C Vent Control”
This 2003 Chevrolet Impala came in with the complaint that the dash gauges and a/c compressor turn off after 5-10 miles of driving. There were dozens of codes stored in multiple modules and I seem to remember a reference to low voltage. I eventually wound up in “Engine Data 2” to find the data line … Continue reading “2003 Chevrolet Impala, Gauges and A/C Compressor Turn Off After 5-10 Miles of Driving”
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”
This 2000 Ford Taurus came in with the complaint that the a/c did not work. The customer had already figured out that the 15 amp fuse number 28 in the underhood fuse box was blown. It is worth noting that in the wiring diagrams that fuse is referred to as fuse number 128. Power on … Continue reading “2000 Ford Taurus, A/C Not Working, Fuse #28 / #128 Blows”
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”
This 2003 GMC Yukon came in with the complaint that the blower was doing weird things. The blower sometimes would not turn off when the ignition was turned off. Also sometimes the blower worked and sometimes it did not. Withe the local temperature expected to top off at over 100 degrees F and the the … Continue reading “2003 GMC Yukon Bower Erratic / Not Working”
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 2004 Chevrolet Silverado came in with multiple hvac actuator faults. After diagnosing a faulty passenger side blend air door actuator with my Tech 2 scan tool it was time to remove the dash cover. Not a big deal but there are a lot of steps. Lift the lower edge of the dash end caps … Continue reading “2004 Chevrolet Silverado, Dash Cover Removal”
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”