Disassembly

OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON


Disassembly






1. Remove snap ring (1) from oil pump assembly using a flat-bladed screwdriver (A).

CAUTION:
- Be careful not to scratch oil pump cover and 2346 brake retaining plate.
- Be careful not to damage snap ring.





2. Remove 2346 brake component part (retaining plate, drive plates, driven plates and dish plate) (1) from oil pump assembly.





3. Remove seal ring (1) from oil pump assembly.





4. Set the clutch spring compressor (SST: KV31103800) (A) on front brake spring retainer and remove snap ring (fixing front brake spring retainer) (1) from oil pump assembly while compressing return spring.

CAUTION:
Be careful not to expand snap ring excessively.





5. Remove front brake spring retainer (1) from oil pump assembly.





6. Set the clutch spring compressor [SST: KV31102400 (J-34285 and J-34285-87)] (A) on 2346 brake spring retainer and remove snap ring (fixing 2346 brake spring retainer) (1) from oil pump assembly while compressing return spring.

B : Press


CAUTION:
Be careful not to expand snap ring excessively.





7. Remove 2346 brake spring retainer (1) from oil pump assembly.





8. Remove front brake piston (1) from oil pump assembly with compressed air. 7AT RE7R01B.

A : Front brake pressure hole

CAUTION:
Care should be taken not to abruptly blow air. It makes piston incline, as the result, it becomes hard to disassemble the piston.





9. Remove D-ring (inner) (1) and D-ring (outer) (2) from front brake piston.





10. Remove 2346 brake piston (1) from oil pump assembly with compressed air. 7AT RE7R01B.

A : 2346 brake pressure hole

CAUTION:
Care should be taken not to abruptly blow air. It makes piston incline, as the result, it becomes hard to disassemble the piston.





11. Remove D-ring (large) (1) and D-ring (small) (2) from 2346 brake piston.





12. loosen bolts in numerical order shown in the figure and remove oil pump housing from oil pump cover.

Arrow: Bolt





13. Remove oil pump housing oil seal using a flat-bladed screwdriver.

CAUTION:
Be careful not to scratch oil pump housing.





14. Remove O-ring from oil pump housing.





15. Remove O-ring (1) from oil pump cover.