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Jim Taddei

Oakland, CA

I have been in the automotive field since 1975 and have accumulated over 25 years of experience with General Motors products achieving the designation as a GM Master Technician. I am also currently certified and an ASE Master Technician, and hold an Advanced California Smog Check License. I have been the lead technician and team leader at a multi-line dealership. After leaving the dealership I spent a couple of years working in an independent shop and now find myself applying my experience for your benefit at RepairPal. My training includes numerous GM classes and college courses which resulted in an AA degree in Automotive Technology.


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Questions & Answers | Problem Reports | Reviews | Comments

Question Answered: 

It sounds like the speedometer on your 1990 Mercedes 420SEL is reading in kilometers per hour instead of miles per hour. If there a switch located some where on the dash to convert the reading from metric back to english units?


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Question Answered: 

The information you are referring to for your 2006 Chevrolet Trailblazer is service bulletin not recall information. The manufactures do not notify owners of technical service bulletins, only recalls. I would suspect the problem with your fuel gauge is related to the fuel level sensor located in the fuel tank. Many manufactures are having problems with corrosion on these sensors causing erratic fuel gauge readings. In the past I would have recommend to replace the fuel level sensor. However, there is something new to report. Chevron has included an anti-corrosive agent in their techron "plus" fuel additive. This is not available in the Chevron fuel with the techron additive, at this time it's only in the bottles of fuel additive. I would recommend to add a bottle (make sure it says techron plus) to your next tankful and give it a try. It may take a week or two for the cleaner to do its job but I have been hearing positive results. Please let us know how this works out for you so that we can pass the word along.


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Question Answered: 

If only "some" of the instrument panel light are out on your 1998 Ford Escort then chances are some bulbs are burned out. Unfortunately, on most late model cars the bulbs cannot be replaced without sending the gauges "cluster" to a specialized repair shop. You can check with your local Ford parts department to see if replacement bulb are available - if they are not the cluster will need to be sent out for repair. You can use the following link to find your local dealer - http://repairpal.com/directory?address=75061&car_brand_names=Ford.


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Question Answered: 

Very carefully! In some cases it may be necessary to remove the alternator on your 1992 Dodge Grand Caravan to access the rear spark plugs. Sometimes working from the bottom is also helpful, it just depends on the specific vehicle. What is boils down to is that you must remove whatever is in the way in order to access the back spark plugs, there is now "easy" way.


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Question Answered: 

The "general" module often referees to the module that controls "body" type functions - your 2002 most likely follows this form. The body functions usually under the control of the general module would be the power door lock, lighting system, security system, power windows, power seats, etc. The general module may or may not be directly connected to the interior fuse box.


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Question Answered: 

The fuel pump on your Audi A6 Quattro is located inside the fuel tank. My service information states that the fuel pump can be replaced without removing the fuel thank. Please use the following link to the RepairPal estimator to find our the probable cost for your fuel pump replacement - http://repairpal.com/estimator?car_type_id=2653


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Question Answered: 

The air bag control module has detected a fault with the system. Fault code(s) should be stored in the module. The code(s) will need to be retrieved, diagnosed, and repaired to keep the air bag light off..


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Question Answered: 

It is possible that some sort of debris has gotten the drivers seat belt buckle. Whatever the reason the buckle is no longer working I would suggest you have it replaced for safety sake. In most cases the buckle can be replaced without replacing the belt also. It's generally not a very costly repair.


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Question Answered: 

I am assuming you have a 4.6 liter northstar engine in your 1999 Cadillac Eldorado. If that is the case the coolant sensor should be located in the rear cylinder head under the coolant crossover manifold, not a very easy place to access.


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Question Answered: 

What light is on and what chime is sounding?


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