Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
AT Main Case: Installation
- Apply ATF to the new seal ring.
- Install the thrust bearing and new seal ring to the drum support.
- Install the reverse brake piston.NOTE: Apply ATF onto the piston sliding surface.
ST1 18762AA000 COMPRESSOR SPECIAL TOOL
ST2 18765AA000 COMPRESSOR SUPPORT
ST3 18763AA000 COMPRESSOR SHAFT
- Install the return spring.
- Install the spring retainer and snap ring.
ST1 18762AA000 COMPRESSOR SPECIAL TOOL
ST2 18765AA000 COMPRESSOR SUPPORT
ST3 18763AA000 COMPRESSOR SHAFT
- Install the dish plate.NOTE: When installing, make sure that the identification mark is facing the rear side of transmission.
- Install the drive plate and driven plate.NOTE: When the reverse brake is disassembled, use a new drive plate and driven plate set.
- Install the leaf spring.
- Install the retaining plate.
- Install the snap ring of the reverse brake.
- Apply compressed air intermittently to check for operation.
- Check the piston stroke.
- Check the amount of drive plate compression "A" described in the wave clutch set of repair parts.
- Measure the clearance "B" between the retaining plate and snap ring using a thickness gauge.NOTE:
- Set shims of the same thickness on both sides so that the retaining plate will not tilt.
- Do not push the shim down with force to a point where the waves on the drive plate will become crushed.
- Select and install a retaining plate so that the value calculated from the dimensions A and B is within the standard.
T = A + B
T: Piston stroke
A: Amount of drive plate compression
B: Clearance between retaining plate and snap ring
Initial standard:
2.0 - 2.4 mm (0.08 - 0.09 in)
Retaining plate Part No. Thickness mm (in) 31567AB100 4.2 (0.165) 31567AB170 4.4 (0.173) 31567AB180 4.6 (0.181) 31567AB190 4.8 (0.189) 31567AB200 5.0 (0.197)
- Install the direct clutch assembly.
- Install the high & low reverse clutch assembly.
- Install the thrust needle bearing of the high & low reverse clutch.
- Install the middle & rear sun gear assembly.
- Install the rear carrier assembly.
- Install the middle carrier assembly.
- Install the thrust needle bearing of middle carrier assembly.
- Measure the total end play, and select the bearing. Refer to ADJUSTMENT .
- Install the input clutch pack assembly to oil pump cover.
- Turn the transmission sideways.
- Install the oil pump cover.
- Apply ATF to the O-ring of input clutch shaft.
- Install the oil pump cover to AT main case while supporting the input clutch shaft and oil pump housing with your hand.NOTE: Use a new gasket.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.