Front Differential Assembly: Installation

WARNING: This page is about a different car, the 2006 Subaru Outback and 2006 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

When installing the differential assembly to case, be careful not to damage the inside of case (particularly, the differential side retainer mating surface).

Fig 1: Identifying Differential Assembly
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Install the O-ring to the left and right side retainers.
Using the ST, install the side retainer. < Ref. to ADJUSTMENT , Front Differential Assembly. >
ST 18630AA010 WRENCH ASSY

NOTE: ST 499787000 WRENCH ASSY can also be used.
Adjust the backlash of the front differential. < Ref. to ADJUSTMENT , Front Differential Assembly. >
Install the lock plate.
Tightening torque:

25 N.m (2.5 kgf-m, 18 ft-lb)

Fig 2: Identifying Lock Plate
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Install new seal pipe to converter case.

Fig 3: Identifying Seal Pipe
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Install the converter case to the transmission case. < Ref. to INSTALLATION , Converter Case. >
Insert the inhibitor switch and transmission connector to the stay.

Fig 4: Identifying Inhibitor Switch And Transmission Connector
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Install the oil cooler pipe. < Ref. to INSTALLATION , ATF Cooler Pipe and Hose. >
Install the oil charge pipe together with an O-ring. < Ref. to INSTALLATION , Oil Charge Pipe. >
Insert the input shaft while rotating it lightly by hand, and then check the amount of protrusion.
Normal protrusion

A: 50 - 55 mm (1.97 - 2.17 in)

Fig 5: Identifying Input Shaft
Courtesy of SUBARU OF AMERICA, INC.
Install the torque converter assembly. < Ref. to INSTALLATION , Torque Converter Assembly. >
Install the transmission assembly to the vehicle. < Ref. to INSTALLATION , Automatic Transmission Assembly. >