2003 Toyota Highlander, A/C Stuck On Heat, Part 1

This 2003 Toyota Highlander came in with the complaint that the a/c only puts out hot air. I confirmed the complaint and removed the glove box to access the air mix actuator assembly. I had to push the hinge pins out to remove the glove box. I then had to remove the screw and bracket … Continue reading “2003 Toyota Highlander, A/C Stuck On Heat, Part 1”

2002 Honda Accord A/C Controls Inop

This 2002 Honda Accord came in with the complaint that the blower worked but nothing else on the a/c control assembly worked or would even light up. I started by checking the #3 fuse in the driver’s side interior fuse box (7.5 amp) and the #13 fuse in the passenger side interior fuse box (7.5 … Continue reading “2002 Honda Accord A/C Controls Inop”

1996 Jeep Cherokee Blower Inop

This 1996 Jeep Cherokee Classic came in with a complain of no blower operation. I asked if the the power windows were inop as part of my diagnostic routine but the customer informed me that this Jeep had manual windows. I then looked at the bottom of the steering column cover and saw a melted … Continue reading “1996 Jeep Cherokee Blower Inop”

1985 Cadillac Fleetwood Brougham, A/C Compressor Does Not Come On

This 1985 Cadillac Fleetwood Brougham came in with the complaint that the air conditioning compressor would not turn on and the weather is starting to heat up. I checked the refrigerant level and found it low but not low enough to cause the compressor to not engage. I have been down this road many times … Continue reading “1985 Cadillac Fleetwood Brougham, A/C Compressor Does Not Come On”

2000 Buick Century Blower Will Not Turn Off

A good customer came in with her 2000 Buick Century and complained that the blower would not turn off even with the key off. The car has manual HVAC so I was already sure that the blower relay that is built into the blower resistor assembly was stuck. No big deal I have changed dozens … Continue reading “2000 Buick Century Blower Will Not Turn Off”

Changing The Cabin Air Filter On A 2000 Buick Century

To change the cabin air filter on a 2000 Buick Century or similar vehicle, first with the hood down, turn the ignition on, turn the wipers on, turn the ignition off with the wipers straight up. Lift the hood and go to the passenger side of the car. Remove the retainer next to the passenger … Continue reading “Changing The Cabin Air Filter On A 2000 Buick Century”

2002 Jeep Liberty Intermitent A/C Cooling

I had a 2002 Jeep Liberty come in with the complaint that the a/c will stop cooling after about thirty minutes of driving. The customer stated that the a/c would start working again later in the day. The first step was to duplicate the complaint. The easiest way I have found to replicate this type … Continue reading “2002 Jeep Liberty Intermitent A/C Cooling”

1998 Chevrolet Astro Van Only High Blower Speed Works

The customer called and said that their 1998 Chevrolet Astro van only had the high blower working but by the time it showed up a couple of days later the blower had stopped altogether. Simple test for no blower on an older high mileage vehicle, turn the key on, set the blower to high and … Continue reading “1998 Chevrolet Astro Van Only High Blower Speed Works”

2002 GMC Envoy No Low Blower Speeds

This 2002 GMC Envoy came in with the complaint of the two lowest blower speeds missing. Because one of the lower speeds worked along with the high speed I knew that both fuses were good and I went directly to the blower resistor which is very prone to failure. The blower resistor and the blower … Continue reading “2002 GMC Envoy No Low Blower Speeds”

2003 Chrysler Town & Country Air Conditioning Compressor Does Not Come On

This 2003 Chrysler Town & Country Mini Van came in with the complaint that sometimes the air conditioning is not cold and sometimes it works fine. Seeing as how refrigerant charge normally will not cause this condition, I decided to run the vehicle with the a/c on and the controls set to full cold and … Continue reading “2003 Chrysler Town & Country Air Conditioning Compressor Does Not Come On”