Procedures
Power Transfer Unit (PTU) Draining and FillingMaterial:
CAUTION: A new power transfer unit (PTU) must be installed any time the PTU has been submerged in water.
NOTE: The power transfer unit (PTU) is not to be drained unless a leak or contamination is suspected. To drain the PTU fluid, the PTU must be removed from the vehicle. The fluid that is drained may appear black and have a pungent odor. Do not mistake this for contaminated fluid.
NOTE: Fill level checks are done in-vehicle only. Let the vehicle sit 10 minutes after the road test before checking the fluid level.
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Clean the area around the filler plug before removing.
3. Remove and discard the filler plug.
4. With the vehicle on a flat level surface, fill the PTU with lubricant. The fluid must be even with the bottom of the fill opening.
^ Fluid capacity is 0.53L (18 oz).
5. Install a new filler plug.
^ Tighten to 20 Nm (15 lb-ft).