Sae 80w-90 gl-5
The 2002 GMC Savana has overhead valves (OHV).
The 2002 GMC Savana-Cargo has overhead valves (OHV).
The front differential uses 80w90.
The Chevrolet Tahoe was produced from the years 1992 to present. The type of fluid that is used for the front differential for a 2002 Chevrolet Tahoe is called the SAE 80W-90.
For a 2006 Chevy 2500 4x4, the front differential typically requires about 1.5 to 2 quarts of differential fluid, while the rear differential usually takes around 3 to 4 quarts, depending on the specific axle type. It's essential to check the owner's manual for exact specifications and ensure the correct type of fluid is used. Always verify fluid levels after filling to avoid overfilling.
The newer differentials take a synthetic oil but I do not know which type
12 quarts 15w40
The 2012 GMC Savana has overhead valves (OHV).
The 2011 GMC Savana has overhead valves (OHV).
The 2001 GMC Savana has overhead valves (OHV).
The 2008 GMC Savana has overhead valves (OHV).
The 2010 GMC Savana has overhead valves (OHV).