Lubricant
DESCRIPTIONA multi-purpose, hypoid gear lubricant which conforms to the following specifications should be used. Mopar Hypoid Gear Lubricant conforms to all of these specifications.
^ The lubricant should have MIL-L-2105C and API GL 5 quality specifications.
^ Lubricant is a thermally stable SAE 90W gear lubricant.
Trac-lok differentials require the addition of 6 oz. of friction modifier to the axle lubricant. The 248 RBI axle lubricant capacity is 2.96 L (6.25 pts.) total, including the friction modifier if necessary.
CAUTION: If axle is submerged in water, lubricant must be replaced immediately to avoid possible premature axle failure.