2004 Chevrolet Tahoe, Compressor Will Not Turn On

This 2004 Chevrolet Tahoe came in with the complaint that the a/c was not cold due to the compressor not coming on. Whenever the a/c was turned on the snowflake on the digital display would flash. This Tahoe has auto a/c controls. I checked codes with my Tech 2 scan tool and there was a … Continue reading “2004 Chevrolet Tahoe, Compressor Will Not Turn On”

2008 GMC Yukon, Reduced Power Mode, Code P0641 00 Stored

This 2008 GMC Yukon came in with the complaint of reduced power and the vehicle could not be driven over about 35 mph. There were a lot of codes stored but the only one of real relevance was Code P0641 Symptom 00, 5 volt reference circuit 1.  I looked at data under the TAC section … Continue reading “2008 GMC Yukon, Reduced Power Mode, Code P0641 00 Stored”

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 GMC Yukon, Power Windows & Seats Inop, Airbag Light Is On

This GMC Yukon came in with the complaint that the power windows and power seats did not work and the Airbag light was on. Checking the fuses found that the SIR or airbag light 15 amp fuse was blown. I also found that the 50 amp MBEC fuse was blown. I replaced both fuses and … Continue reading “2004 GMC Yukon, Power Windows & Seats Inop, Airbag Light Is On”

2007 Chevrolet Tahoe LT, LBEC2 Fuse #75 Blows

This 2007 Chevrolet Tahoe LT came in with the complaint that the LBEC2 fuse would blow as soon as it was installed. The owner had tried several with the same result. The two symptoms that the owner noticed that pointed them towards a blown fuse was that the power windows and rear HVAC unit did … Continue reading “2007 Chevrolet Tahoe LT, LBEC2 Fuse #75 Blows”

1994 Chevrolet C1500 Blower Inop/Erratic

This 1994 Chevrolet C1500 came in with the complaint that the blower motor either would not work or work sometimes. A quick check of power and ground at the blower motor itself revealed a lack of ground while the problem was present. With the system on high and the blower motor not working I touched … Continue reading “1994 Chevrolet C1500 Blower Inop/Erratic”

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”

2008 Chevrolet Colorado Blower Inop All Speeds

This 2008 Chevrolet Colorado came in with the complaint that the blower would work sometimes however the condition had worsened and now it did not work at all. Up until now I have always found two common problems with the blower systems on these  Chevrolet Colorado, GMC Canyon and Isuzu I Series trucks. If the … Continue reading “2008 Chevrolet Colorado Blower Inop All Speeds”

Updating the Wheels & Tires, 2003 Chevrolet with 2014 Silverado LTZ Take Offs

It was time for me to replace worn out tires on my 2003 Chevrolet Silverado and I wanted to also update the look with new wheels. I wanted to stick with factory wheels, just newer. I located a company, Alan’s Wheels  near Greenville, SC that handles a lot of late model take-offs on many makes and … Continue reading “Updating the Wheels & Tires, 2003 Chevrolet with 2014 Silverado LTZ Take Offs”

2001 Chevrolet Tahoe Air Conditioner Is Not Very Cold

This 2001 Chevrolet Tahoe came in with the complaint that the air conditioner was not cooling properly. The compressor was on and the blower was working. The air coming from the dash vents was cold but the volume of air was low. Too low for comfort on a warmer day. I was pretty sure from … Continue reading “2001 Chevrolet Tahoe Air Conditioner Is Not Very Cold”