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”
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”
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”
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”
This 1999 S10 Blazer came in with the complaint that the engine would run poorly sometimes. The customer unfortunately could not provide a better description of the issue. Luckily there were some clear codes stored in the PCM memory, P0118 and P1115 Code P0118 was stored due to a high voltage signal from the coolant … Continue reading “1999 Chevrolet S10 Blazer, Runs Poorly Sometimes”
This 2002 Chevrolet Tahoe had several complaints and this one is no fog lights. I connected my Tech 2 scan tool and checked some basic functions and found that the scan tool could turn on the fog lights. There was a codes stored for a park light malfunction. I checked wiring diagrams and found that … Continue reading “2002 Chevrolet Tahoe, Fog Lights Do Not Work”
This 2004 GMC Envoy came in with multiple electrical complaints. The main complaint was that it had to jumped started any time the engine was shut off. A quick check found that the battery cables were very loose. After removing the cable ends for inspection an excess amount of corrosion was found. From the way … Continue reading “2004 GMC Envoy No Crank Condition”
This 2003 Chevrolet Avalanche with a 5.3 liter VIN “T” engine was towed in with the complaint that the engine would not run. I went to check codes and data and found that communication to the PCM was down. I checked all of the fusees under the hood and in the interior fuse box. No … Continue reading “2003 Chevrolet Avalanche, No Run Condition”
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”
This 2002 Chevrolet Tahoe came in with multiple complaints so there will be several repairs on this vehicle. The first one deals with the BTSI fuse blowing in the under hood fuse box. I am pointing to the fuse in the picture below. The blown fuse next to the location on the fuse box legend. … Continue reading “2002 Chevrolet Tahoe, BTSI Fuse Blows”