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GMC Repair Q&A

FAQs and repair and maintenance information to keep your GMC performing its best GMC Maintenance  Following your GMC’s service and maintenance schedule is a great way to keep it in tip-top shape and preserve its resale value. However, even with proper upkeep, it’s not uncommon for your Ford to develop problems as it racks up mileage. So watch out for signs that you need to take your Ford to a mechanic. Here are some of the problems you might encounter over time:
old mechanic in blue attire performs inspection on car

Fuel Pump Issues on Some GMC Sierra 1500s 

Some 1999 GMC Sierra 1500 owners have complained about fuel pump problems that caused their trucks to stall, fail to start, or die suddenly without warning. 

old mechanic in blue attire performs inspection on car

Transmission Troubles on Some GMC Canyons

Some owners of the GMC Canyon from model years 2015 through 2020 have complained about a faulty transmission. This caused problems ranging from gear shifting issues to transmission failure.  

old mechanic in blue attire performs inspection on car

Faulty Transfer Case Position Sensor on Some GMC Sierras

Some drivers have complained about issues in the selector switch or the four-wheel-drive transfer case position sensor of their GMC Sierra. Reports show that the problem affects model years 1999 through 2013 and 2015 through 2016.

Most Common GMC Questions There are 9 GMC-related questions in our database, with new ones added daily. Hundreds of these queries are addressed every day by automotive experts, product specialists, and vehicle enthusiasts in the CarParts.com community. Here are some of the most frequently asked questions about GMC vehicles.

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