Fluid - Transfer Case: Service and Repair

Power Transfer Unit (PTU) Draining and Filling





Material

NOTE: The power transfer unit (PTU) is lubricated for life and is not to be checked unless a leak is suspected. To drain the PTU fluid, the PTU must be removed from the vehicle.

1. With the vehicle in NEUTRAL, position it on a hoist.





2. CAUTION: PTU failure can result if the correct fill procedure is not followed.

NOTE: The fluid level must be even with the bottom of the fill hole with the vehicle on a flat level surface.

Remove the fill plug and fill the PTU with axle lubricant.
3. Install the fill plug.
^ Tighten to 49 Nm (36 ft. lbs.).