GMC: 2020: Sierra 2500 HD Base, 2D Pickup, 6.6L Eng VIN 7, RWD
This is a LEMON manual, retrieved in 2025.
This manual is identical to the manual for the following model variants, except for possibly the "Labor Times", "Fluids", and "Tire Fitment" pages:
- Sierra 2500 HD Base, 4D Pickup Crew Cab, 6.6L Eng VIN 7, RWD
- Sierra 2500 HD Base, 4D Pickup Extra Cab, 6.6L Eng VIN 7, RWD
- Sierra 2500 HD SLE, 2D Pickup, 6.6L Eng VIN 7, RWD
- Sierra 2500 HD SLE, 4D Pickup Crew Cab, 6.6L Eng VIN 7, RWD
- Sierra 2500 HD SLE, 4D Pickup Extra Cab, 6.6L Eng VIN 7, RWD
- Sierra 2500 HD SLT, 4D Pickup Crew Cab, 6.6L Eng VIN 7, RWD
- Sierra 2500 HD SLT, 4D Pickup Extra Cab, 6.6L Eng VIN 7, RWD
Repair and Diagnosis
Repair and Diagnosis, all links on one page (may load slowly, but easier to search)
Labor Times
Download .zip for offline use