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Sierra 2500

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Question
AC blower motor quit, ABS and brake lights on - 2003 GMC Sierra 2500
A common issue on the Sierra is a failure of the blower motor resistor. This should be checked and replaced if faulty. The ABS Light being on indicates a fault in the ABS system, wheel speed sensors and or solenoid...
Question
2002 duramax went into limp mode after fluid ad filter change
Hello, I can help you with this! When doing a transmission service for this vehicle, you will set a (DTC) trouble code for a low pressure condition with transmission. This is a normal condition when replacing the filter and fluid....
Question
Won't shift out of second gear - 2000 GMC Sierra 2500
Hello. This definitely sounds like an electronic transmission control issue. It could be something as simple as a transmission range selection switch or something as serious as a transmission valve body. You may want to consult with a transmission shop...
Question
Vehicle lost gears, can shift only in 4 low
Hello. This sounds more like an electronic transmission control issue. GM has a TSB out for a low voltage condition at the solenoid pack. To see if this is the issue, fault codes should be read out and and then...
Question
Knocking sound and steering column vibration - 2005 GMC Sierra 2500
Without hearing or experiencing the noise myself, it is hard to make an accurately diagnose this but GM has a TSB (technical service bulletin) that may address this concern. There are 3 possible causes from a body mount at the...
Question
the flywheel bolts broke how hard and what will cost to get fixed ballpark figure
When a bolt breaks off inside the bolt hole, getting it out usually requires drilling. If the transmission is inside the vehicle still and there is not enough room for a drill, the transmission will require removal in order to...
Question
My starter clicks but won't turn over.
Prior to performing diagnostics be sure you have a fully, 100% charged battery that passes a load test. Confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting. If the immobilizer system is...

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