Transfer Clutch: Assembly

Install the transfer clutch piston.
NOTE: Apply CVTF to the transfer clutch piston lip.
Install the return spring.

Fig 1: Installing Transfer Clutch Piston Seal
Courtesy of SUBARU OF AMERICA, INC.
Install the transfer clutch piston seal.
NOTE: Apply CVTF to the lip section of transfer clutch piston seal.

Fig 2: Installing Transfer Clutch Piston Seal
Courtesy of SUBARU OF AMERICA, INC.
Compress the return spring using the ST to install the snap ring.
ST 18762AA001 COMPRESSOR SPECIAL TOOL

Fig 3: Compressing Return Spring Using ST
Courtesy of SUBARU OF AMERICA, INC.
Install the pressure plate, driven plate, drive plate and snap ring.

Fig 4: Identifying Pressure Plate, Driven Plate, Drive Plate And Snap Ring
Courtesy of SUBARU OF AMERICA, INC.
Blow compressed air through transfer clutch assembly hole, and check the transfer clutch piston operation.
NOTE: Plug the holes through which the compressed air is not blown.

Fig 5: Locating Transfer Clutch Piston Plug Hole
Courtesy of SUBARU OF AMERICA, INC.
Before measuring clearance "A", place same thickness shims on both sides to prevent the plate from tilting.

When clearance "A" exceeds the limit for use, replace the drive plate and driven plate as a set, and select and adjust the pressure plate within the initial specified value.

Initial standard:

0.7 - 1.1 mm (0.028 - 0.043 in)

Limit thickness:

1.45 mm (0.057 in)

Fig 6: Checking Transfer Clutch Clearance

Courtesy of SUBARU OF AMERICA, INC.

Pressure plate
Part No.	Thickness mm (in)
31593AA151	3.3 (0.130)
31593AA161	3.7 (0.146)

Recheck the clearance. < Ref. to INSPECTION , Transfer Clutch. >
Using the ST, install the ball bearing.
NOTE: Use a new ball bearing.

ST1 398177700 INSTALLER

ST2 499277200 INSTALLER

Fig 7: Installing Ball Bearing Using Installer (ST1 398177700)
Courtesy of SUBARU OF AMERICA, INC.