GM Cars & Trucks 1960’s, 1970’s & 1980’s, Blower Inoperative Erratic

This vehicle came in with the complaint that the blower motor would work sometimes but recently it had gotten to where it did not work at all. I hardly ever see vehicles this old in my shop anymore. This is one problem that I have fixed dozens if not hundreds of times over the years … Continue reading “GM Cars & Trucks 1960’s, 1970’s & 1980’s, Blower Inoperative Erratic”

2006 Buick Lucerne, A/C Loses Refrigerant Charge

This 2006 Buick Lucerne came in with very poor a/c performance. A quick check revealed a low system charge and a little looking around and I found the telltale green dye. A little bit better view. I like how the camera flash makes it glow similar to the UV lights we use in the shop. … Continue reading “2006 Buick Lucerne, A/C Loses Refrigerant Charge”

2002 Buick Century No Low Blower Speeds

This 2002 Buick Century came in with the complaint that the lower blower speeds do not work. This Century has manual air conditioning controls. I have been down this road many times and it is just a faulty blower resistor. I will give actual testing information later, but for now I am just going to … Continue reading “2002 Buick Century No Low Blower Speeds”

2003 Buick Regal, P0128

This 2003 Buick Regal came in with a service engine soon light on and a code P0128 stored. The code means that the engine coolant temperature is below the thermostat regulating temperature. In other words the thermostat is sticking open or opening to soon to satisfy the computer. Thankfully this car has the 3.8 liter … Continue reading “2003 Buick Regal, P0128”

1992 Buick Park Avenue, Blower Inop

This 1992 Buick Park Avenue came in with the complaint that the blower did not work. Customer also stated that the blower motor had been replaced about a year ago. The blower motor is located in the center of the firewall under the hood. The first thing that I found was that the blower motor … Continue reading “1992 Buick Park Avenue, Blower Inop”

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”

1999 Buick LeSabre, A/C Controls Blinks, Ticking Under Dash

This car came in with the complaint of the a/c control head was blinking and there was a ticking sound under the dash. Also the customer stated that the headlights go out when this happens. Luckily the symptoms were present along with others. The oil gauge would jump with the ticking sound and I noted … Continue reading “1999 Buick LeSabre, A/C Controls Blinks, Ticking Under Dash”