This 1997 Chevrolet K1500 Pickup came in with the complaint of the left turn signal will not work with the headlights on. I checked and the turn signals did work with the headlight off but the actual problem was that the turn signal would not work with the park lights. In fact if the park … Continue reading “1997 Chevrolet K1500, Turn Signal Problems”
The customer brought this 2002 Chevrolet Silverado 2500HD, with a 6.6 liter diesel engine in, with the complaint that the batteries go dead and is slow cranking sometimes. He had replaced the batteries and the problem got better but is now starting to happen more often. The batteries on a dual battery system have to … Continue reading “2002 Chevrolet Silverado Battery Goes Dead”
A good customer called and said that on the way to work the security light came on in the dash and when he got to work the engine would no longer crank up. I suggested the normal check the battery cables, try cranking it in neutral instead of park, tilt the steering column up and … Continue reading “1999 Chevrolet Suburban No Crank Condition”
The customer brought in this 1996 GMC Sonoma Pickup with and inoperative turn signal complaint. I checked the fuse and it was oaky. Next step is to check the turn signal flasher. This is a pretty straight forward repair except that most people do not realize where the flasher is at. Both the hazard and … Continue reading “1996 GMC Sonoma, Turn Signals Inop, Changing The Turn Signal Flasher”
A 2001 Chevrolet 2500HD with a 8.1 liter engine came in with the complaint that the engine would stall. Sometimes it would restart right away and sometimes it would not. I checked codes and found a code P0335 stored for a crank sensor fault. I did a basic inspection for anything obvious and found nothing … Continue reading “P0335, 2001 Chevrolet Silverado 2500HD”
This 2003 Chevrolet Tahoe with a 5.3 liter engine came in with the customer complaint of the reduced power display was on and the vehicle could not be driven more than about 30 mph. Checking codes found a code p1516 stored for Predicted VS. Actual Throttle Position Correlation Error. That is fancy computer talk for … Continue reading “Reduced Power Displayed 2003 Chevrolet Tahoe”
The customer called and said that their 1998 Chevrolet Astro van only had the high blower working but by the time it showed up a couple of days later the blower had stopped altogether. Simple test for no blower on an older high mileage vehicle, turn the key on, set the blower to high and … Continue reading “1998 Chevrolet Astro Van Only High Blower Speed Works”
This Suburban came in with the complaint that the turn signal fuse blows. The customer could not relate when the fuse would blow and it would not blow when it came in the shop. I first went to the rear and and inspected the wiring there and found no problems. Next I turned my attention … Continue reading “Turn Signal Fuse Blows In 1997 Chevrolet Suburban”
This 2002 GMC Envoy came in with the complaint of the two lowest blower speeds missing. Because one of the lower speeds worked along with the high speed I knew that both fuses were good and I went directly to the blower resistor which is very prone to failure. The blower resistor and the blower … Continue reading “2002 GMC Envoy No Low Blower Speeds”
This 2001 Chevrolet Silverado came in the shop with the complaint of no stoplights. First I confirmed that none of the stoplights were working including the CHMSL (center high mounted stop light). After this I went to the underhood fuse box because the manufacturer has made diagnosing the stoplights very easy at this location. By … Continue reading “2001 Chevrolet Silverado With No Stoplights / Brakelights”