This 2004 Chevrolet Tahoe came in with the complaint that the air on the driver’s side would change from cold to hot while driving down the road. When it shifted to hot the customer could not get it to turn back cold. Sounds like a faulty air mix actuator to me. I checked codes and … Continue reading “2004 Chevrolet Tahoe Blows Hot Air”
I have recommended this test many times and finally have had enough time to do a quick post about it. The terminal to be tested is a female 280 metri-pack terminal. To test the spring tension of a female terminal you need a male terminal. Most people do not have factory terminals just laying around … Continue reading “How To Check Terminal Spring Tension”
This 2000 GMC Yukon came in with the complaint that at different times the stop lights, tail lights, turn signals and back up lights stop working. I did the basis bulb and socket tests and found nothing wrong. When I got to looking a little deeper in the system I found this rear harness junction … Continue reading “2000 GMC Yukon, Rear Lights Inop”
This 1999 Mercury Sable came in with the check engine light on and a code P0401 for insufficient EGR flow. Luckily the EGR valve and the DPFE sensor are easily accessible on this car. I set may scan tool up to view DPFE voltage and connected my hand vacuum pump to the EGR valve. This … Continue reading “1999 Mercury Sable, P0401 Insufficient EGR Flow”
This 1992 Buick Park Avenue came in with the complaint that the blower did not work. Customer also stated that the blower motor had been replaced about a year ago. The blower motor is located in the center of the firewall under the hood. The first thing that I found was that the blower motor … Continue reading “1992 Buick Park Avenue, Blower Inop”
This 1994 Lexus GS300 came in with the typical “starter clicks but won’t crank” condition. After a quick check to make sure that battery and cables were okay, I started to remove the starter. The starter can be seen at the rear of the driver’s side of the engine but it has to be accessed … Continue reading “1994 Lexus GS300, Starter Clicks”
This 2003 Toyota 4Runner came in with the complaint that the a/c stops cooling after a while and the a/c lights on the dash start flashing. This is a common problem on later model Toyota’s in general. Most of the time it is just a failed compressor clutch relay but sometimes as in this case … Continue reading “2003 Toyota 4Runner, A/C Stops Cooling”
This 2003 Toyota 4Runner battery post is a perfect example of why you should look under your hood and inspect things on a regular basis. It does not take long for a battery terminal to get corroded. Also with corrosion this bad something else is going on. For some reason there is battery acid leaking … Continue reading “2003 Toyota 4Runner, Battery Corrosion”
This 2004 Cadillac CTS came in with the complaint of no stoplights. I decided to start by checking the bulbs. To do this I first had to remove the black plastic nuts that also serve as hooks for the cargo net. After the nuts were removed I pulled the trim panel up that goes across … Continue reading “2004 Cadillac CTS No Stoplights”
This 1998 Chevrolet Lumina had been in a few weeks back for a complaint of the battery going dead. I had located and replaced a faulty driver’s side power door lock switch. The customer called and stated that the battery had gone dead again and wanted to know if I would look at it. I … Continue reading “1998 Chevrolet Lumina, Battery Goes Dead Again”