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  You are here:  AllExperts > Home/Garden > Auto Repair > GMC Repair

Expert Profile: CAJUNSC/RAMBLER390

Expertise:  1998 and NEWER questions ONLY!! I WILL REJECT QUESTIONS FROM 1998 BACK. Electrical diagnosis. Brake Diagnosis. Driveability, Service Engine Soon Lights. Some Engine mechanical. Tires and wheels. ABS. HVAC. Air Bag (SIR). Interior, seats, etc... 6.6L Duramax Diesel diagnosis. 6.5L diesel diagnosis. I WILL not answer Alignment questions OR carburetor questions. No heavy internal transmission
I need YEAR, MAKE and MODEL of vehicle, and ENGINE SIZE and TRANSMISSION type, IF applicable to the question.
I work at a Large, Busy GM Dealership
Last thing, my answers are JUST SUGGESTIONS and ADVICE and you should ALWAYS CHECK with your mechanic for proper diagnosis and repair.

Experience in the area
18 Years GM Dealership experience as an "A" line tech. ASE MasterTechnician. 100% GM paper certified and working towards MTC Certification.

Education/Credentials
High School graduate. No College or higher learning.

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Something interesting about this subject that others may not know:  Automobiles are very complex machines. The problems and countless. While I and most technicians I know consider to know everything, we do not. That is why I personally have never fixed a vehicle over the phone or internet. I have helped in diagnosis, but not fixed. So please take this into consideration when reading the answers.

This expert has elected not to be rated

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Recent Answers from CAJUNSC/RAMBLER390
2008-08-29  fan clutch noise Hi Just using basic knowledge of fan clutch operations, it does indeed sound as if the fan clutch is on at all times. It should have resistance or harder to turn when cold, and as the temp warms, it should...
2008-08-29  electrical problem Hi What is the rate of charge off the back of alternator? If it is proper 13.5-14.5V then you have a wire issue from the alternator to the battery(s). If you only getting battery voltage at the back of...
2008-08-28  IAH probelm 2002 GMC HD2500 Hi I would look at possible causes for the relay burning. A small short to (-). A bad heater element. Poor contact at the element. I have seen one burn 2 relays, but not 3. And corerect the glow pug...
2008-08-28  milage/smog check prep Hi Before I change plugs, I would change the fuel filter and air filter. A drop that significant in MPG is severe. I Also if replacing plugs would go with Delco iridium tip. Does the vehicle seem sluggish?...
2008-08-26  Cam Shaft Position Sensor Hi It is not taht hard, but it is not easy. It is located on REAR of engine, on block deck, in area about where a distributor would be located on a small block engine. There is only 1 bolt holding it...
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