Now that the seats and center console are out of the way it is time to start removing the metal brackets.There is a bracket that holds the wiring harness to the main frame. In order to get the wiring out of the way the connector body from the front harness needs to be removed from … Continue reading “2011 Ford Expedition Replacing The Driver’s Side Temperature Door Actuator in Under 2 Hours Part 2”
This 2011 Ford Expedition came in with the complaint that the driver’s side vents were stuck on heat. Since this truck has rear floor vents under the seats as shown below, the seats have to be removed from the vehicle. The plastic trim covers unsnap from the seat brackets to reveal the attaching bolts. The … Continue reading “2011 Ford Expedition Replacing The Driver’s Side Temperature Door Actuator in Under 2 Hours Part 1”
This 1999 Ford E150 van came in with the complaint that the a/c would only blow out of the defroster. The mode actuators in this vehicle are vacuum controlled so checking vacuum is the first point in the diagnostic routine. There is a vacuum hose splice connector under the hood on the passenger side of … Continue reading “1999 Ford E150 Air Only Blows Out The Defroster Vents”
This 2006 Nissan Maxima came in with the complaint that the gauges and the a/c controls did not work. After the obvious fuse checks I went to the most common location for this problem in Nissan Maximas. The problem is located behind the a/c control panel and repairs start with removing the shifter knob or … Continue reading “2006 Nissan Maxima, Gauges and A/C Inop”
This 2006 Hummer H3 came in with the complaint that the blower had been working sometimes but now the blower motor had stopped working completely. The most common failure point for this system is the blower resistor and it’s harness connector. This repair applies to 2006, 2007, 2008, 2009 & 2010 H3 Hummer. Both are … Continue reading “2006 Hummer H3, Blower Inop / Erratic”
This 1998 Cadillac Deville came in with the complaint that with the a/c on there was heat coming out of the passenger side vents. Codes B1340 and B1341 were present in the HVAC system. Both codes are for faults with the air mix door actuators. The B1340 is for air mix door #1 (driver’s side) … Continue reading “1998 Cadillac Deville, Passenger Side Vents Hot with A/C On”
This 2001 Chevrolet Tahoe came in with the complaint that the air conditioner was not cooling properly. The compressor was on and the blower was working. The air coming from the dash vents was cold but the volume of air was low. Too low for comfort on a warmer day. I was pretty sure from … Continue reading “2001 Chevrolet Tahoe Air Conditioner Is Not Very Cold”
This 2008 Mercury Grand Marquis came in with the complaint that the a/c temperature was stuck on full heat. The complaint could have easily been reversed with no heat present and the system stuck on full cold. It has Automatic Temperature Control (ATC). I used my scan tool and found that there was a code … Continue reading “2008 Mercury Grand Marquis, A/C Stuck On Heat”
This 2003 Chevrolet Silverado came in with the complaint that the passenger vents were stuck on heat at the end of August in South Carolina.. Since it was late I decided to try a procedure that GM came out with several years ago. It applies to actuators that have over traveled for one reason or … Continue reading “2003 Chevrolet Silverado, HVAC Actuator Stuck”
This 2000 Chevrolet Express van came in with the complaint that it had caught fire while sitting in a parking lot. Luckily the fire went out before any major damage was done. The source of the heat was the blower resistor and it’s harness connector but there was a lot more to the story than … Continue reading “2000 Chevrolet Express Blower Not Working, Resistor Caught Fire”