Reverse Clutch

Reverse Clutch
DISASSEMBLY





1. Check operation of reverse clutch
a. Install seal ring onto drum support of oil pump cover and install reverse clutch assembly. Apply compressed air to oil hole.
b. Check to see that retaining plate moves to snap ring.
c. If retaining plate does not contact snap ring:
^ D-ring might be damaged.
^ Oil seal might be damaged.
^ Fluid might be leaking past piston check ball.





2. Remove snap ring using screwdriver.
3. Remove drive plates, driven plates, retaining plate, and dish plates.





4. Remove snap ring from reverse clutch drum while compressing return springs using Tool.
Tool number: KV31102400 (J-34285 and J-34285-87)

CAUTION:
^ Be sure to set Tool directly over springs.
^ Do not expand the snap ring excessively.

5. Remove spring retainer and return springs.





6. Remove reverse clutch piston from reverse clutch drum by turning it as shown.
7. Remove D-ring and oil seal from piston.

INSPECTION
Reverse Clutch Snap Ring, Spring Retainer and Return Springs
Check for deformation, fatigue or damage. If damaged, replace.

Reverse Clutch Drive Plates





^ Check facing for burns, cracks or damage.
^ Measure thickness of facing.
Thickness of drive plate:
Standard value: 1.6 mm (0.063 inch)
Wear limit: 1.4 mm (0.055 inch)
If not within wear limit, replace.

Reverse Clutch Dish Plates





^ Check for deformation or damage. Measure thickness of dish plate.
Thickness of dish plate: 3.08 mm (0.1213 inch)
If deformed or fatigued, replace.

Reverse Clutch Piston
Make sure that check balls are not fixed.
^ Apply compressed air to check ball oil hole opposite the return spring. Make sure there is no air leakage.
^ Apply compressed air to oil hole on return spring side to make sure that air leaks past ball.

ASSEMBLY





1. Install new D-ring and seal ring on piston.

NOTE:
^ Take care with the direction of new oil seal.
^ Apply ATF to both parts.





2. Install piston assembly by turning it slowly.

NOTE: Apply ATF to inner surface of the drum.





3. Install return springs and spring retainer on piston using Tool.
Tool number: KV31102400 (J-34285 and J-34285-87)

CAUTION: Be sure to set Tool directly over springs.





4. Set Tool on spring retainer and install snap ring while compressing return springs.
5. Install drive plates, driven plates, retaining plate and dish plates.

NOTE: Take care with the order of the plates

6. Install snap ring using screwdriver.





7. Measure clearance between retaining plate and snap ring. If not within allowable limit, select proper retaining plate.
Specified clearance
Standard: 0.5 - 0.8 mm (0.020 - 0.031 inch)
Allowable limit: 1.2 mm (0.047 inch)
Retaining plate: Refer to "REVERSE CLUTCH".





8. Check operation of reverse clutch using compressed air.