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GMC
Sierra 3500 HD
4

Service transmission every 30,000 miles on GMC Sierra 3500 HD

Problem Description and Possible Solution
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Problem Data
RepairPal Verified
Average mileage: (–)
4 model years affected: 2007, 2008, 2009, 2010
4 people reported this problem