This factory service and repair manual for the 2010 GMC Savana 4500 covers a chassis sold bare behind the cab: the two-door cutaway is the only body style and Base is the only trim. The engine choice comes down to two overhead-valve V8s, the turbocharged 6.6L diesel of 403 cubic inches and a 6.0L of 364 cubic inches listed on flex fuel rather than straight gasoline. Whatever an upfitter bolted on behind it, the base vehicle underneath is the one this book documents.
Engines covered
- 6.6L V8 (403 cu in) — OHV, turbocharged, diesel
- 6.0L V8 (364 cu in) — OHV, naturally aspirated, flex-fuel
Body styles covered
- 2-door cutaway
Trims covered
- Base
Known issues on the 2010 Savana 4500. No recalls stand against this model year on the federal record, and no owner complaints are logged with NHTSA. That puts the manual's value in ordinary maintenance and repair rather than chasing a known fault. It carries the procedures and specifications for the turbocharged 6.6L diesel and the flex-fuel 6.0L, the torque values that go with them, and diagrams of the cutaway chassis wiring that upfitters routinely tap into. Fleet shops working on ambulances, box vans and shuttle bodies get the factory figures for what sits under all of it.
WHILE OPERATING MY VAN IT WOULD HESITATE AND MISSED THREE WOULD BE INTERMITTANT FIRING ISSUES. 2,4,6,8 ON DIAGNOSTIC REPORT IT SAID MISFIRING. I REPLACED ALL INJECTORS, COIL PACKS, COIL WIRES, AND AL
