2015 GMC Savana 3500 Service and Repair Manual
This factory service and repair manual for the 2015 GMC Savana 3500 has to cover an unusually mixed fuel picture for one van: the 6.0L overhead-valve V8 can be built for compressed natural gas or flex fuel, the 4.8L V8 is flex-fuel, and the 6.6L V8 is a turbocharged diesel. Three trims are listed, Base, LS and LT, and seven bodies, running from three-door and four-door cargo vans through the passenger versions to the two-door cutaway.
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 cargo van
- 4-door standard passenger van
- 3-door extended passenger van
- 3-door standard passenger van
- 2-door cutaway van
- 4-door standard cargo van
Trims covered
- Base
- LS
- LT
Known issues on the 2015 Savana 3500. No recall campaigns and no owner complaints appear on the federal record for this model year. That makes the manual a maintenance and repair reference first, and it is organized as one, with procedures, specifications, torque values, wiring diagrams and diagnostics arranged by system and the fuel and engine sections separated by variant, so the compressed natural gas 6.0L, the flex-fuel 4.8L and the turbocharged diesel are each given their own correct figures.
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 391 technical service bulletins on file with NHTSA.
TRANSMISSION SHIFTS HARD AND BETWEEN 35 TO 45 MPH HAS A ROUGH VIBRATION. PULLING INTO A PARKING SPOT OR DRIVEWAY THE BRAKES WILL SOMETIMES FEEL DIFFERENT AND THE PEDAL WILL SHAKE.
TRANSMISSION SHIFTS HARD AND BETWEEN 35 TO 45 MPH HAS A ROUGH VIBRATION. PULLING INTO A PARKING SPOT OR DRIVEWAY THE BRAKES WILL SOMETIMES FEEL DIFFERENT AND THE PEDAL WILL SHAKE.
