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”

2004 Chevrolet Trailblazer, No Low Beam Headlights

This 2004 Chevrolet Trailblazer came in with the complaint that neither one of the low beam headlights would work. They both stopped working at the same time. The customer had already paid another shop to have the headlight and dimmer switches replaced. After several days of trying hit and miss diagnosis she called me. I told … Continue reading “2004 Chevrolet Trailblazer, No Low Beam Headlights”

2003 Chevrolet Trailblazer, Changing the Rear Mode Actuator

This 2003 Chevrolet Trailblazer had a loud ticking noise coming from the rear of the vehicle on the passenger side. In the last post I showed how to remove the trim panels and locate the faulty actuator assembly. Please click here to see that part of this repair. Once the trim panels were removed it … Continue reading “2003 Chevrolet Trailblazer, Changing the Rear Mode Actuator”

2003 Chevrolet Trailblazer, Clicking Sound From Rear HVAC Unit

This 2003 Chevrolet Trailblazer came in with the complaint that there was a loud ticking sound coming from the rear of the vehicle. From experience I knew that one of the rear actuators was making the clicking or ticking sound. I checked the rear controls and found that adjusting the mode position would make the … Continue reading “2003 Chevrolet Trailblazer, Clicking Sound From Rear HVAC Unit”

2004 Chevrolet Trailblazer, Bearing Noise Under The Hood

This 2004 Chevrolet Trailblazer came in with a fairly loud roaring/whining noise coming from under the hood while the engine was running. I was pretty sure the idler pulley bearing was making the noise so I loosened the tensioner assembly and took the belt off. It took a 3/8 square drive adapter to connect to … Continue reading “2004 Chevrolet Trailblazer, Bearing Noise Under The Hood”

2002 Chevrolet Trailblazer, B0028, B0029 & B0030

This 2002 Chevrolet Trailblazer came in with the airbag light on and codes B0028, B0029 & B0030 for passenger side air bag wiring faults. Something that has had a hard time sinking into my head is, when the scan tool states that there is a problem with a passenger or driver side air bag, SIDE … Continue reading “2002 Chevrolet Trailblazer, B0028, B0029 & B0030”

2004 Chevrolet Trailblazer No Stoplights

This 2004 Chevrolet Trailblazer came in with the complaint that the two lower stoplights did not work.  The CHMSL (Center High Mounted Stop Light) does work. I installed my pedal pusher between the brake pedal and the front edge of the seat. I went to the fuse box under the driver’s side, rear seat and … Continue reading “2004 Chevrolet Trailblazer No Stoplights”

2004 Chevrolet Trailblazer, Identifying Heater A/C Actuators

This 2004 Chevrolet Trailblazer came in with the air flow stuck coming out of the defroster. I have already done a post on how to replace the faulty mode actuator, but I did not have a good enough picture to identify all of the actuators on the driver’s side of the dash. To see that … Continue reading “2004 Chevrolet Trailblazer, Identifying Heater A/C Actuators”

2002 Chevrolet Trailblazer, Poor Heat, Clicking Sound Under Dash

This 2002 Chevrolet Trailblazer came in with a clicking sound under the driver’s side of the dash and erratic control of heat and a/c, hot and cold,  air from the driver’s side of the dash. To find the actual site of the clicking noise, I had to remove some of the underside of the dash. … Continue reading “2002 Chevrolet Trailblazer, Poor Heat, Clicking Sound Under Dash”

2003 Chevrolet Trailblazer, Blower Not Working Any Speeds, Brake & ABS Lights On

This 2003 Chevrolet Trailblazer came in with the complaint that the blower would not work on any speed and that the Brake and ABS lights stay on. Since I have seen this problem before, I knew right where to go to test. then ignition switch. The first thing that has to be done is to … Continue reading “2003 Chevrolet Trailblazer, Blower Not Working Any Speeds, Brake & ABS Lights On”