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.
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HOMESERVICE MANUALSTOYOTA1988VAN BASE, VAN PASSENGERREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSOVERHAUL - A-43D/A-44D/A-45DF/A-45DLCOMPONENT DISASSEMBLY & REASSEMBLYOVERDRIVE BRAKEDISASSEMBLY
1988 Toyota Van Base, Van Passenger
Overdrive Brake: Disassembly
1988 Toyota Van Base, Van PassengerSECTION Disassembly
- Remove snap ring from inside of case. Remove flange, discs, plates and cushion plate. Note location and number of components.CAUTION: Note number and location of flanges, plates and discs at time of removal.
- Remove ring gear, thrust bearing and races from overdrive case. Note location of components. Remove snap ring, spring retainer and piston return springs. Remove brake piston by applying air pressure to case openings. See Fig 1. Remove oil seal rings from case and "O" rings from piston.
RENDER: 1.0x
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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.