K 2500 Yukon XL 4WD V8-8.1L VIN G (2001)
Clutch Fluid: Specifications
Hydraulic Clutch Fluid:
NV3500 or NV4500 transmissions:
Use Hydraulic Clutch Fluid (GM P/N 12345347) or equivalent DOT-3 brake Fluid.
ZF S6-650 transmission:
Use Super DOT-4 Hydraulic Fluid (GM P/N 88958860)