This factory service and repair manual for the 2006 GMC T6500 applies to the T6F042 chassis with the 7.8L turbocharged inline-six diesel, a 475-cubic-inch engine, as its only powerplant. A single engine means a single set of specifications and torque values to work from, and the manual spends the rest of its length on the systems that surround it — transmission and driveline, service and parking brakes, steering, suspension, frame and body — with wiring diagrams and diagnostic procedures for each.
Engines covered
- 7.8L inline-six (475 cu in) — turbocharged, diesel
Trims covered
- T6F042
Known issues on the 2006 T6500. The federal record is clean for this year: no recalls, and no owner complaints logged with NHTSA. The manual therefore works as a reference rather than a remedy, and its content is the same either way — the 7.8L turbocharged diesel six with its service and overhaul specifications, the brake, steering and driveline procedures a medium-duty chassis needs, the torque values throughout, and the wiring diagrams and diagnostic sequences that let a fault be found rather than guessed at.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected mo
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the deal
Showing the 8 most recent of 110 technical service bulletins on file with NHTSA.
