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 Chevrolet Trailblazer, Blower Does Not Work After Resistor Replacement

This 2006 Chevrolet Trailblazer came in with the complaint that the blower would not work after the blower resistor had been replaced. This Trailblazer clearly has manual HVAC controls.   However the customer was sold the wrong part or asked to buy the wrong part. I do  not know which for sure. The part on … Continue reading “2006 Chevrolet Trailblazer, Blower Does Not Work After Resistor Replacement”

2007 GMC Envoy Denali, Blower Does Not Work On Any Speed

This 2007 GMC Envoy Denali came in with the complaint that the blower motor would not work. The customer stated that they had removed the blower motor and connected it to battery voltage and ground. The blower motor worked under this condition. This vehicle also has auto temperature controls as indicated by a digital display. … Continue reading “2007 GMC Envoy Denali, Blower Does Not Work On Any Speed”

GM “C/K” & “S/T” Vehicles, HVAC Recalibration Using a Tech 2 Scan Tool

It Recently came to my attention that some of my readers wanted to see how to perform an actuator recalibration using a Tech 2 scan tool. The pictures are dark and they are best viewed in low light conditions. Connect the scan tool to the DLC and turn the ignition on. After entering the year,make, … Continue reading “GM “C/K” & “S/T” Vehicles, HVAC Recalibration Using a Tech 2 Scan Tool”

2001 Oldsmobile Intrigue GLS, Turn Signals Flash Too Quickly

This 2001 Oldsmobile Intrigue GLS came in with the turn signal flashing very quickly. I checked and found that the problem was related to the front turn signals. I pulled up on and removed the two locking bars that hold the headlight assembly in place. Once the rubber cover was removed from the back side of … Continue reading “2001 Oldsmobile Intrigue GLS, Turn Signals Flash Too Quickly”

Actuator Replacement GM Trucks and SUV’s 1999-2009

This is a list of procedures to replace the multiple actuators on General Motors Trucks and SUV’s from 1999 to 2009. These posts will apply to all of the Full Sized Trucks and SUV’s listed below. There may be slight differences between brands and trim levels. HVAC Calibration Procedure GM Trucks And SUV’s 2003 Chevrolet … Continue reading “Actuator Replacement GM Trucks and SUV’s 1999-2009”

1998 Oldsmobile Silhouette, No Run Condition

This 1998 Oldsmobile Silhouette was towed in with the complaint that the engine would not run and fuse number 18 in the underhood fuse box was blown. The fuse would blow as soon as the key was turned on. This fuse supplies power to the fuel injectors. The “Ignition Main” relay. A little looking around … Continue reading “1998 Oldsmobile Silhouette, No Run Condition”

2000 Oldsmobile Intrigue, Drivers Air Not As Cold As Passenger Side Air

This 2000 Oldsmobile Intrigue has warm air blowing from the driver’s side vents and cool air blowing. Notice I did not use the words hot or cold when describing this problem. That would have made for a different cause and repair. The driver’s side temperature reading after  about five minutes with the a/c on and … Continue reading “2000 Oldsmobile Intrigue, Drivers Air Not As Cold As Passenger Side Air”

2000 Oldsmobile Intrigue, Driver’s Vent Blows Hot Air

This 2000 Oldsmobile Intrigue came in with hot air blowing from the driver’s side vents with the a/c on. Using scan data on my Tech 2, I had determined that there were issues with the blend door actuators on this Olds.  I had already removed the lower dash panels on the driver’s side to replace the … Continue reading “2000 Oldsmobile Intrigue, Driver’s Vent Blows Hot Air”

2002 Oldsmobile Intrigue, No A/C Vent Control

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”