2020 GMC Savana 2500 Service and Repair Manual
This factory service and repair manual for the 2020 GMC Savana 2500 takes in three engines whose service needs barely overlap: the naturally aspirated 4.3L V6 on flex-fuel or gasoline, the 6.0L V8 in gasoline, CNG or flex-fuel form, and the 2.8L turbocharged inline-four diesel with its overhead camshafts. Trims run Base, LS and LT, and the bodies number five, from 3-door standard and extended cargo vans to 4-door cargo and passenger versions. Specifications, torque values, wiring diagrams and diagnostics are given for each build.
Engines covered
- 4.3L V6 (262 cu in) — OHV, naturally aspirated, flex-fuel or gasoline
- 6.0L V8 (364 cu in) — OHV, naturally aspirated, gasoline or CNG or flex-fuel
- 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 2020 Savana 2500. The federal record for the 2020 van is clean, with no recalls and no owner complaints logged with NHTSA. What the manual answers for instead is the range of hardware in the lineup, from a pushrod V6 running flex-fuel or gasoline to a CNG-capable V8 and a small overhead-cam turbo-diesel. Procedures, specifications, torque values, wiring diagrams and diagnostics are set out for each of them, with the five body arrangements and three trims accounted for wherever they change a circuit or a component.
