Category Archives: Auto Mechanic Information Articles

Read auto repair help articles from of a real dealership mechanic. Car questions and answers, free repair information, pictures, videos and live chat.


2003 GMC Yukon Dash Gauges Not Working- Recall

My 2003 Yukon XL (Suburban) with 5.3 motor and 70k miles has no power to any of dash gauges. The truck runs and operates fine, but the radio, heater controls and dash lights work fine. No gauge activity at all. All gauges are at the zero mark. I believe I have checked all fuses at left…

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Some Blower Motor Fan Speeds Not Working

This one has been a big issue over the years. Many, many times a car or truck will come into the shop with the customer complaining that their blower motor doesn’t work, or only works on high speed, etc. This is usually the case after a blower resistor failure on one or more speed settings.…

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Bad Fuel Pumps Cause Vehicle To Not Start

Lately, we’ve have quite a few vehicles come through the shop with fuel pumps that have failed. This seems to go in cycles, where we see a lot of one particular thing coming in all the time and this time of year seems to be fuel pump problems. The colder weather can have a lot…

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Tire Pressure Light Description and Operation

Tire Pressure Monitor System Description The tire pressure monitor system was developed many years ago to alert the driver to a tire that is loosing air. As one or more tires lose air because of a leak as compared to the other tires, a warning light or message will come on the dash. A module…

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Electric Power Steering – Problems And Repairs

Many more of new cars and trucks today are using a new kind of power steering system. This system is all electric. That is, there is no hydraulic power steering pump that is driven by the engine drive belt. No fluid to build pressure to operate the rack and pinion. No power assist of any…

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Reduced Engine Power Warning And Check Engine Light

The reduced engine power warning message can come on your car or truck. Today’s vehicles are for the most part completely electronically controlled. From every button and switch on the dash down to the ‘fly-by-wire’ throttle control system. Back in the day, before these electronically controlled throttles, everything was cable actuated. You press the gas…

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How to Get Replacement Car Keys

Today’s newer GM vehicles utilize a PassKey theft deterrent system. Also sometimes called ‘plus key’ because of the little ‘plus’ symbol that is engraved on each key blank. Most times, an owner has two sets of keys that work in the doors and ignition of their car or truck. These would be considered ‘Master Keys’.…

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Chevrolet Volt Review From a Dealer Mechanic

So, a day or two ago we got our first Chevrolet Volt electric car at the dealership. With it, came much attention from everyone at the dealership, as well as some enthusiastic customers. This Volt was basically a demo car, which was not to be sold, but rather used as a vehicle for test drives…

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Car Repairs For a Bad Customer

I had to write this article due to the recent repair I had on a customer vehicle…..that almost wasn’t! This all started last Saturday, when a Monte Carlo got towed into the shop. It was a no-start with a dead battery. I jumped the battery and it fired right up, and I drove it into…

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Oil and Coolant Mixing In Engine- Pictures

I had the pleasure recently, or displeasure rather, of getting a customer’s vehicle that was overheating and running very poorly. Once I got in and started it up, I knew it was going to be pretty messed up. The engine was knocking, misfiring, and almost immediately going into the red on the temperature gauge! I…

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Fuel Leak Recall On Chevrolet Cobalt And Saturn Ion

Lately at the dealership we have seen another rash of problems on the Chevorlet Cobalt and Saturn Ion vehicles. These are basically the same car, just different nameplates. What the customers are complaining about is a fuel leak at the fuel tank area, or a strong smell of gasoline coming from under the car. The…

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Body Shop Repairs Cause More Car Problems

So, the other day I had this Chevrolet Impala come in the shop. It was dropped off by a local body shop who had repaired the front end of the car from an accident. It had been pretty severely damaged, with a hard hit to the left front fender/hood area. After repairs from the body…

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