Savana 3500 V8-4.8L (2009)
Fluid - Differential: Fluid Type Specifications
FRONT AND REAR AXLE
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) or equivalent meeting GM Specification 9986115.
GMC Workshop Service and Repair Manuals
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