Reverse and Overdrive Clutch Disassembly and Assembly

DISASSEMBLY AND ASSEMBLY

NUMBER OF CLUTCH DISCS AND PLATES














- MD999590: Spring Compressor
- MD998924: Spring Compressor Retainer
- MB991628: Spring Compressor
- MB991790: Spring Compressor

DISASSEMBLY SERVICE POINT

[[A]] SNAP RING REMOVAL





1. Set special tools MD999590 and MD998924 as shown in the illustration.
2. Compress the return spring and remove the snap ring.

ASSEMBLY SERVICE POINTS

]]A[[ D-RING INSTALLATION





1. Install D-rings in the grooves on the reverse clutch retainer, piston, overdrive clutch piston and spring retainer. Be careful not to twist or damage the D-rings.
2. Apply ATF or petroleum jelly (Vaseline) to D-rings.

]]B[[ REVERSE CLUTCH PISTON INSTALLATION





Align the outer circumference holes ("A" and "B") of the reverse clutch piston and the reverse clutch retainer to assemble them.

]]C[[ SNAP RING INSTALLATION





1. Set special tools MD999590 and MD998924 as shown in the illustration.
2. Tighten the nut on the special tool to press down on the spring retainer and reverse clutch retainer, and then install the snap ring.





3. Check that the clearance between the snap ring and the return spring retainer is within the standard value. If not within the standard value, select a snap ring so that it is.
Standard value of clearance:
0 - 0.09 mm (0 - 0.003 inch)


]]D[[ PRESSURE PLATE / CLUTCH PLATE / CLUTCH DISC / CLUTCH REACTION PLATE INSTALLATION

CAUTION:
Immerse the clutch disc in ATF before assembling it. If the clutch disc is new, soak it in ATF for more than two hours.





1. Assemble the clutch discs (four pieces) and clutch plates (four pieces), one on top of the other, inside the reverse clutch piston. Assemble both clutch plates so that the places with no teeth (marked "A") are aligned with the holes in the retainer (marked "B").





2. Install the clutch reaction plate in the direction shown.

]]E[[ SNAP RING INSTALLATION





1. Install the snap ring into the groove in the reverse clutch piston.
2. Set special tools MB991628 and MD998924 as shown in the illustration, and compress the clutch element.
3. Check that the clearance between the snap ring and the clutch reaction plate is within the standard value. If not within the standard value, select a snap ring so that it is.
Standard value of clearance:
1.6 - 1.8 mm (0.063 - 0.070 inch)


]]F[[ CLUTCH PLATE / CLUTCH DISC / CLUTCH REACTION PLATE INSTALLATION

CAUTION:
Immerse the clutch disc in ATF before assembling it. If the clutch disc is new, soak it in ATF for at least two hours.





1. Assemble two clutch discs and two clutch plates, one on top of the other, inside the reverse clutch retainer. Assemble both clutch plates so that the places with no teeth (marked "A") are aligned with the holes in the retainer (marked "B").





2. Install the clutch reaction plate in the direction shown. Install it the same as the clutch plate, so that the places with no teeth (marked "A") are aligned with the holes in the retainer (marked
"B").

]]G[[ SNAP RING INSTALLATION





1. Install the snap ring into the groove of reverse clutch retainer.
2. Set special tools MB991790 and MD998924 as shown in the illustration, and compress the clutch element.
3. Check that the clearance between the snap ring and the clutch reaction plate is within the standard value. If not within the standard value, select a snap ring so that it is.
Standard value of clearance:
1.5 - 1.7 mm (0.060 - 0.066 inch)