Power Transfer Unit (PTU) - Automatic Transaxle

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Power Transfer Unit (PTU) Components - Automatic Transaxle

Courtesy of FORD MOTOR CO.

Item	Part Number	Description
1	W500210-S	Power transfer unit (PTU) heat shield bolts (3 required)
2	7F469	PTU heat shield
3	7251	PTU
4	W500121-S	PTU-to-transaxle bolts (3 required)
5	W706822-S	PTU-to-transaxle bolt
6	7034	Vent tube
7	-	PTU-to-engine bracket bolt (4 cylinder engines) (6 required)
8	3K305	PTU-to-engine bracket (4 cylinder engines)
9	-	PTU-to-engine bracket (6 cylinder engines) (6 required)
10	3K305	PTU-to-engine bracket (6 cylinder engines) (6 required)

All vehicles

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING AND LIFTING article.
Disconnect the battery. For additional information, refer to BATTERY, MOUNTING AND CABLES article.
Drain the power transfer unit (PTU). For additional information, refer to Power Transfer Unit (PTU) Draining and Filling - Automatic Transaxle .

CAUTION: A new power transfer unit (PTU) intermediate shaft seal must be installed whenever the intermediate shaft or PTU is removed from the vehicle.

Remove the front RH intermediate shaft. For additional information, refer to FRONT DRIVE HALFSHAFTS article.
Remove the driveshaft. For additional information, refer to DRIVESHAFT article.
Remove the 4 bolts and the crossmember brace.

Fig 2: Crossmember Brace Bolts

Courtesy of FORD MOTOR CO.

Vehicles equipped with 3.0L

Remove the catalytic converter - 3.0L manifold. For additional information, refer to EXHAUST SYSTEM article.

All vehicles

Remove the 3 PTU heat shield bolts and the PTU heat shield.
Remove the 6 PTU-to-engine bracket bolts and the bracket.
Disconnect the PTU vent tube and position it aside.
Remove the 4 PTU-to-transaxle bolts.
Remove the PTU.