2012 GMC Savana 3500 Service and Repair Manual
This factory service and repair manual for the 2012 GMC Savana 3500 ends its body list with a two-door cutaway, which tells you what much of this van's life looks like: sold as a chassis and finished by somebody else. Ahead of it sit cargo and passenger vans in three-door standard, three-door extended and four-door standard form. Three engines are listed, a turbocharged 6.6L diesel V8, a 6.0L V8 built for compressed natural gas or flex fuel, and a 4.8L running flex fuel only, across five trims.
Engines covered
- 6.6L V8 (403 cu in) — OHV, turbocharged, diesel
- 4.8L V8 (294 cu in) — OHV, naturally aspirated, flex-fuel
- 6.0L V8 (364 cu in) — OHV, naturally aspirated, CNG or flex-fuel
Body styles covered
- 3-door extended cargo van
- 3-door standard passenger van
- 3-door extended passenger van
- 4-door standard passenger van
- 3-door standard cargo van
- 2-door cutaway van
- 4-door standard cargo van
Trims covered
- Base
- LS
- LT
- SL
- SLE
Known issues on the 2012 Savana 3500. This model year leaves the federal record untouched, with no recalls and no owner complaints at NHTSA. Service work therefore runs to the ordinary: sealing, torque, adjustment and circuit tracing. The manual supplies procedures, specifications, torque values, wiring diagrams and diagnostics for all three engines, the compressed natural gas version of the 6.0L included, and it does so for every trim from Base through SLE and every body from the three-door cargo van to the cutaway.
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the s
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
Showing the 8 most recent of 364 technical service bulletins on file with NHTSA.
