On this 2005 Cadillac Escalade I had to replace a faulty driver’s blend door actuator. Ironically it is mounted on the passenger side of that dash and requires removal of the lower hush panel. If there is no floor mounted center console there is no problem with removing and installing this panel. If there is … Continue reading “Reinstalling The Passenger Side Hush Panel, 2005 Cadillac Escalade”
Although the vehicle I am working on is a 2005 Cadillac Escalade, this information is relevant to many OBD2 vehicles. The Tech 2 makes it simple because the tool does not have it’s own battery supply. therefore if the scan tool will not power up there is a basic problem with power or ground to … Continue reading “Scan Tool Will Not Communicate / Power Up”
This 2005 Cadillac Escalade came in with the complaint that the driver’s side vents have switched to blowing only hot air with the a/c on. The passenger side air is cold. The telltale B0408 code for a faulty driver’s side blend/ temperature door actuator. Granted most people do not have a dealer level scan tool … Continue reading “2005 Cadillac Escalade, Driver’s Side Vents Blow Hot Air, A/C On”
The topic of how to perform the actuator recalibration procedure on Chevrolet , GMC and Cadillac Trucks and SUVs has become an ever increasing topic of discussion. For manual systems it does not matter where the a/c controls are set but if you feel the need to do something, turn the blower switch on (I … Continue reading “HVAC Actuator Recalibration Procedure For GM Trucks and SUVs”
This 1990 Chevrolet K1500 Pickup came in with multiple complaints. The headlights and park lights did not work. The dome lights did not work and the horn did not work. The vehicle owner had already found out that there were three dead fuses in the interior fuse box. It is kind of strange saying that … Continue reading “1990 Chevrolet K1500 Pickup, Multiple Electrical Problems”
Well, I got to see something new today. The customer brought this 1998 Chevy K1500 in with the complaint that the right rear turn signals would not work with the park lights on. I thought no big deal, the right rear socket board has weak internal ground. Seen it a hundred times if I have … Continue reading “1998 Chevrolet K1500, Right Rear Turn Signal Erratic”
This 2005 GMC Sierra came in with the complaint that the air will only flow from the defroster vents, regardless of where it is commanded to. This Sierra has auto a/c controls and no floor mounted center console. Of course the customer brought the truck in, knowing that I had to lay under the driver’s … Continue reading “2005 GMC Sierra, Air Blows Only From Defroster Vents”
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 2004 Chevrolet Tahoe came in with a multitude of complaints. Some of the complaints were that it might not start, the power windows would stop working, the door locks would cycle, the radio would stop working, the instrument cluster gauges would stop working and multiple warning lights would come on. From a technical perspective … Continue reading “2004 Chevrolet Tahoe Multiple Problems, No Communication”
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”