Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1986
>>
G 2500 3/4 Ton Van V8-379 6.2L DSL
>>
Repair and Diagnosis
>>
Engine, Cooling and Exhaust
>>
Engine
>>
Engine Lubrication
>>
Engine Oil
>>
Technical Service Bulletins
Engine Oil: Technical Service Bulletins
Expand All (for easy ctrl-f)
Collapse All
Engine - GM dexos 1(R) and dexos 2(R) Oil Specifications/Info.
Engine - GM Dexos 1(R) And 2(R) Oil Specifications
Engine Oil - Dye and Discoloration