Operation CHARM: Car repair manuals for everyone.

Service Procedure

Notice Regarding Tools Required:
# A drift may be used in place of J-23093

5. Remove converter assembly (1) after removing torque converter holding strap J-21366.

# Notice:
Torque converter is extremely heavy (approx._65 lbs.), personal injury may result

Do not drain fluid from torque converter unit.

# Denotes change

13. Remove Valve-body-to-case gasket (48).

# Notice:
Do not disassemble valve body and accumulator housing assembly unless it is required.

29. Install new seal rings (639) to new center support (640) using J38735. Reuse piston (636), seals (637 & 638), spring & retainer assembly (635), and snap ring (634) using J-23327 and J-38734 and install to center support.

# Notice:
Inspect center support for orifice cup plug (530). If plug is not there, order a new center support package (P/N # 08680914).

30. Install new rear internal gear (666) to main shaft (662) with snap ring.

# Notice:
Inspect the rear internal gear for the gear teeth spline angle. Be sure that new gear has same gear teeth angle.

33. Align center support (640) using J-23093.

a. Locate J-23093 into center support direct clutch passage through case.

b. Apply pressure on J-23093, seating center support splines counterclockwise against case splines (push tool toward rear servo bore).

c. Install new center support bolt (25) and torque to 43 N-m (32 lb.ft.). DO NOT OVER TORQUE.

# Notice:
When tightening center support bolt (25), be sure bolt is completely seated to bottom of case.

47. Install check balls (54) in proper location.

# Notice:
Do not use a magnet to install check balls. Magnet could cause a check ball to become magnetized and cause metal particles to stick to the ball. The # 2 position SHOULD NOT have a check ball installed at that location (if necessary reference Unit Repair Manual 4L80-E-58 Figure 108 for proper locations).

48. Install new valve-body-to-case gasket (48).

# Notice:
Check to see if valve-body-to-case gasket (48) is properly lined up with case bolt holes. If not, order a new valve-body-to-case gasket (P/N # 08680593)

# Denotes Change