2017 GMC Sierra 2500 HD Service and Repair Manual

This factory service and repair manual for the 2017 GMC Sierra 2500 HD documents a truck whose gasoline V8 is now listed for gasoline or flex fuel, a 6.0L overhead-valve unit of 364 cubic inches, while the alternative remains the 6.6L turbocharged diesel V8 of 403 cubic inches. Base, Denali, SLE and SLT trims were built on a 2-door standard cab pickup, a 4-door crew cab pickup and a 4-door extended cab pickup. Specifications, torque values, wiring diagrams and diagnostics are arranged system by system across all of those variants.

Engines covered

• 6.6L V8 (403 cu in) — OHV, turbocharged, diesel
• 6.0L V8 (364 cu in) — OHV, naturally aspirated, gasoline or flex-fuel

Body styles covered

• 2-door standard cab pickup
• 4-door crew cab pickup
• 4-door extended cab pickup

Trims covered

• Base
• Denali
• SLE
• SLT

Known issues on the 2017 Sierra 2500 HD. The optional engine-block heater accounts for two of the six recalls filed against this truck, its cord or terminals liable to short circuit, damage engine components and raise a fire risk. Another concerns trucks with the dual fuel tank option, where the rear tank can collapse so the pump cannot transfer fuel forward and the engine stalls. A fourth concerns front seat belt retractors assembled with the wrong torsion bar. Two more concern frontal air bags and pretensioners that may not deploy. Of 98 owner complaints, 27 name the power train and 20 the service brakes, both covered here through diagnostics, specifications and torque values.