Power Transfer Unit (PTU) Draining and Filling

NOTICE: 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 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. For additional information, refer to Power Transfer Unit (PTU) Removal in the Removal.

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 Jacking and Lifting 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 (177 lb-in).

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Procedures

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?