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”

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”

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”

2004 Chevrolet Trailblazer, Changing Headlight Bulbs

This 2004 Chevrolet Trailblazer came in with the driver’s side low beam not working. This one is a little trickier than earlier models to replace the bulbs in, because the grill has to be removed first. Not too hard though. There are several clips that hold the rill to the vehicle. Gentle prying with a … Continue reading “2004 Chevrolet Trailblazer, Changing Headlight Bulbs”