2008 Chevrolet Impala, Ignition Switch Will Not Turn Off

This 2008 Chevrolet Impala came in with the complaint that the ignition switch would not turn all the way off. This resulted in not being able to remove the key (never try to force a key out) and several lights staying on and running the battery down. Testing starts with checking the RAP fuse. It … Continue reading “2008 Chevrolet Impala, Ignition Switch Will Not Turn Off”

2006 Chevrolet Impala, Rear Window Defroster Does Not Work

This 2006 Chevrolet Impala came in with the complaint that the rear window defroster does not work. The amber LED on the push button switch turned on and off as the switch was activated so I turned my focus to the rear window defroster relay and fuses. They are located in the underhood fuse box. … Continue reading “2006 Chevrolet Impala, Rear Window Defroster Does Not Work”

2000 Chevrolet Suburban, Instrument Cluster Does Not Work

This 2000 Chevrolet Suburban came in with the complaint that the instrument cluster does not work. I checked communication with my Tech 2 scan tool and found a communication problem with most modules. Including the instrument cluster. Since my scan tool would power up, I knew that I had power to the DCL and at … Continue reading “2000 Chevrolet Suburban, Instrument Cluster Does Not Work”

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”

2005 Chevrolet Suburban Instrument Cluster Does Not Work

This 2005 Chevrolet Suburban came in with the complaint that the instrument cluster gauges do not work. I asked the customer how the problem had started and he told me that the speedometer has been acting up for a while. Recently all of the gauges stopped working at the same time. I connected my Tech … Continue reading “2005 Chevrolet Suburban Instrument Cluster Does Not Work”

2005 Chevrolet Tahoe, No or Erratic Heat

This 2005 Chevrolet Tahoe came in with the complaint that the heater was working erratically. The customer stated that when she started the engine in the morning there would be no heat while idling and driving down her driveway. Once she had been driving at highway speed for several minutes heat would start coming out. When … Continue reading “2005 Chevrolet Tahoe, No or Erratic Heat”

1996 Chevrolet S10, Air Blows Out Of The Defroster Only

This 1996 Chevrolet S10 came in with the complaint that the heater/ air conditioner air only blows out of the defroster vents regardless of where it is commanded. It is actually a pretty simple problem and strangely enough it is not an electrical problem. The most common place for failure is in the under hood … Continue reading “1996 Chevrolet S10, Air Blows Out Of The Defroster Only”

2005 Chevrolet Tahoe, Multiple Complaints, Communication Faults

This 2005 Chevrolet Tahoe came in with multiple complaints. Radiator cooling fans on with key off,  dash warning lights on, gauges not working, door locks cycling, power windows not working and of course the battery will go dead if left sitting for any length of time. I had checked this Tahoe out a few weeks … Continue reading “2005 Chevrolet Tahoe, Multiple Complaints, Communication Faults”

2006 Chevrolet Impala, Ticking/Clicking Sound From Under Passenger Side Of Dash

This 2006 Chevrolet Impala came in with a rapid clicking or ticking sound coming from the passenger side of the dash. As far as I could tell it was emanating from behind the upper right corner of the glove box area. I opened the glove box fully and found that there were two locking tabs at the … Continue reading “2006 Chevrolet Impala, Ticking/Clicking Sound From Under Passenger Side Of Dash”