Power Transfer Unit (PTU) Draining and Filling

WARNING: This page is about a different variant/trim than selected.

MATERIAL SPECIFICATIONS

Item	Specification
Motorcraft® SAE 75W-140 Synthetic Rear Axle Lubricant XY-75W140-QL (US); CXY-75W140-1L (Canada)	WSL-M2C192-A and GL-5

NOTE: 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) in the Removal portion of this section.

NOTE: Fill level checks are done in-vehicle only. Let the vehicle sit 10 minutes after the road test before checking the fluid level.

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING .
Clean the area around the filler plug before removing.

Fig 1: View Of PTU Filler Plug
Courtesy of FORD MOTOR CO.
Remove and discard the filler plug.
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).
Install a new filler plug.
- Tighten to 20 Nm (177 lb-in).