Underdrive Brake Disassembly and Reassembly
Underdrive Brake Disassembly and ReassemblyDisassembly
1. Remove E-ring (1) from underdrive brake piston (2), using flat end rod or the like.
2. Remove underdrive brake piston rod, underdrive brake piston rod washer, underdrive brake piston rod spring.
3. Remove O-ring (3) from underdrive brake piston.
NOTE: Never reuse removed O-rings.
4. Remove O-rings (1) from underdrive brake piston cover (2).
NOTE: Never reuse removed O-rings.
Reassembly
1. Apply A/T fluid to new O-rings.
2. Install new O-rings (1) to underdrive brake piston cover (2).
3. Install underdrive brake piston rod spring (1), underdrive brake piston rod washer (2) and underdrive brake piston rod (3) to underdrive brake piston (4).
4. Compress underdrive brake piston rod by hand and then install E-ring (5) using pliers or the like.
5. Apply A/T fluid to new O-ring.
6. Install new O-ring (6) to underdrive brake piston.
