Rear Servo Piston Assembly

DISASSEMBLY OF REAR SERVO PISTON ASSEMBLY




1. REMOVE REAR SERVO PISTON
a. Remove the three bolts and sleeve guide retainer.
b. Remove the six compression springs.
c. Remove the rear drive clutch sleeve guide with clutch sleeve from the rear servo piston.




d. Remove the piston oil seal outer ring.
e. Remove the piston oil seal inner ring.




2. REMOVE CLUTCH SLEEVE
a. Using snap ring pliers, remove the snap ring.
b. Remove the spacer.
c. Remove the sleeve from the clutch sleeve guide.

ASSEMBLY OF REAR SERVO PISTON ASSEMBLY



1. MEASURE DIAMETER OF REAR SERVO PISTON ASSEMBLY
a. Measure the outer diameter of the sliding portion of the clutch sleeve guide and inner diameter of the servo piston.




Standard
A: 84.69 - 84.73 mm (3.3342 - 3.3358 in.)
B: 85.00 - 85.04 mm (3.3465 - 3.3480 in.)

b. Measure the outer diameter of the servo piston, inner diameter of the sliding part, inner diameter of the extension housing and outer diameter of the sliding part.

Standard
C: 113.79 - 113.82 mm (4.4799 - 4.4811 in.)
D: 114.00 - 114.04 mm (4.4882 - 4.4898 in.)
E: 82.30 - 82.34 mm (3.2402 - 3.2417 in.)
F: 81.89 - 81.92 mm (3.2240 - 3.2252 in.)

c. Check each sliding part for scoring or wear.




2. INSTALL CLUTCH SLEEVE TO CLUTCH SLEEVE GUIDE
a. Install the sleeve to the clutch sleeve guide.
b. Install the spacer.




c. Using snap ring pliers install the snap ring.




3. ASSEMBLY REAR SERVO PISTON
a. Apply ATF (DEXRON 10 to new piston oil seal inner and outer rings.




b. Install the piston oil seal inner and outer rings to the servo piston.

NOTE: Be careful not to install new rings in the wrong direction.

c. Install the six compression springs to the servo piston.
d. Apply MP grease to the clutch sleeve guide.
e. Install the clutch sleeve guide and retainer to the servo piston.

Torque: 50 kg-cm (43 in.-lb, 4.9 N.m)




4. INSPECT REAR SERVO ASSEMBLY
Push the sleeve by hand and check that clutch sleeve guide slides smoothly in the servo piston.