Underdrive Clutch and Input Shaft
UNDERDRIVE CLUTCH AND INPUT SHAFTDISASSEMBLY AND ASSEMBLY
Disassembly Steps 1-15:
Required Special Tools:
^ MB991629: Spring Compressor
^ MD998907: Spring Compressor
^ MD998924: Spring Compressor Retainer
DISASSEMBLY SERVICE POINT
[[A]] SNAP RING REMOVAL
1. Set special tools MD998907 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 a D-ring in the groove in the underdrive clutch retainer and piston, and in the groove in the outside of the spring retainer. Be careful not to twist or damage the D-rings.
2. Apply ATF or petroleum jelly (Vaseline) to the D-rings.
]]B[[ SNAP RING INSTALLATION
1. Place the snap ring on top of the spring retainer, and then set special tool MD998907 and MD998924 as shown in the illustration.
2. Compress the return spring and install the snap ring.
]]C[[ 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 the four clutch plates and four clutch discs one on top of the other inside the underdrive clutch retainer. All four clutch plates should be assembled 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 plates, so that the areas with no teeth (marked "A") are aligned with the retainer (marked "B").
]]D[[ SNAP RING INSTALLATION
1. Install the snap ring into the groove of clutch retainer.
2. Set special tools MB991629 and MD998924 as shown in the illustration, and then 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 to achieve the standard value clearance.
Standard value: 1.60 - 1.80 mm (0.0630 - 0.0709 inch)