2021 GMC Savana 2500 Service and Repair Manual
This factory service and repair manual for the 2021 GMC Savana 2500 has a big-bore gasoline option to document: a naturally aspirated 6.6L V8 of 401 cubic inches, joining the 4.3L V6 in flex-fuel or gasoline form and the 2.8L turbocharged inline-four diesel. Five bodies are covered across Base, LS and LT trims, mixing 3-door standard and extended cargo vans with 4-door cargo and passenger versions and the 3-door standard passenger van. Torque values, specifications and diagnostic sequences are given engine by engine.
Engines covered
- 4.3L V6 (262 cu in) — OHV, naturally aspirated, flex-fuel or gasoline
- 6.6L V8 (401 cu in) — OHV, naturally aspirated, gasoline
- 2.8L inline-four (171 cu in) — DOHC, turbocharged, diesel
Body styles covered
- 3-door extended cargo van
- 3-door standard cargo van
- 4-door standard passenger van
- 3-door standard passenger van
- 4-door standard cargo van
Trims covered
- Base
- LS
- LT
Known issues on the 2021 Savana 2500. Two owner complaints are on the NHTSA record for this model year, and both concern the steering. On a van used for load carrying that heading covers a lot of ground, from linkage wear and fastener torque to hydraulic assist pressure and alignment, and the manual specifies each of them rather than leaving the judgment to feel. Steering column, linkage and gear procedures come with their own measurements, and the related suspension and wheel alignment specifications are printed with them.
