This 2005 Ford Escape came in with the complaint that the air flow stopped coming out the vents sometimes. The owner said he did not feel it coming out anywhere else either but he also had not checked real well either. I inspected the vacuum hoses, check valve and reservoir under the hood and found … Continue reading “2005 Ford Escape-Reduced Air Flow From A/C Vents”
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 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 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”
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 GMC Envoy came in with the complaint that the a/c will only blow out the defrost and floor. Not through the dash vents. I checked codes and found a code B0263 for a fault with the mode actuator. I first ran into this problem after changing a battery in one of these vehicles … Continue reading “2003 GMC Envoy, No A/C Vent Control, B0263”
After looking at diagrams I found that this Expedition uses vacuum controls to change door positions. I started looking for vacuum line problems under the hood and found the problem behind the battery. You can see the damaged section of the small plastic vacuum line, just slightly lower than center of the following picture. It … Continue reading “1998 Ford Expedition, No Air From Vents, Air Only Flows From Defrost”