Replacement of Seal and Packing

REPLACEMENT OF SEAL AND PACKING

Valve Housing Oil Seal
- Removal





1) Pry off dust seal using screwdriver.
2) Remove snap ring using snap ring pliers.





3) Pry off oil seal using screwdriver.

CAUTION: After removing, check inside surface of valve housing for damage. If oil seal contacting surface is damaged, replace valve housing with a new one.





- Installation
1) Press-fit oil seal into valve housing using ST and press. ST 927610000 INSTALLER

NOTE: Before fitting, coat oil seal fully with ATF DEXRON II.

2) Fit snap ring in snap ring groove using snap ring pliers.

CAUTION: Be careful not to scratch oil seal with snap ring pliers.

NOTE; Rotate snap ring to check for proper installation.

Pinion And Valve Assembly
- Removal





1) Remove snap ring using snap ring pliers.

CAUTION:
- Do not reuse removed snap ring.
- Be careful not to scratch pinion and valve assembly.





2) Press out bearing together with backing washer using pipe of I.D. 38.5 to 39.5 mm (1.516 to 1.555 in) and press.

CAUTION: Do not reuse removed bearing.

3) Remove oil seal.

CAUTION: Do not reuse removed oil seal.

- Installation
1) Fit pinion and valve assembly into valve housing.

NOTE: Apply ATF DEXRON II to outer diameter surface of input shaft and outer surface of valve body seal ring, and pay special attention not to damage seal when inserting pinion and valve assembly.





2) Secure valve assembly to ST1 and ST2.
3) Put ST3 over pinion, and insert oil seal, then force-fit oil seal into housing using ST4.

NOTE:
- Apply ATF DEXRON II to oil seal and ST3, being careful not to damage oil seal lip.
- Push oil seal until ST3 contacts housing end face.

4) Remove ST3, and fit backing washer.

ST1 926370000 INSTALLER A
5T2 927630000 STAND BASE
ST3 926360000 INSTALLER A
ST4 927620000 INSTALLER B





5) Force-fit ball bearing using ST3.

ST1 926370000 INSTALLER A
ST2 927630000 STAND BASE
ST3 927640000 INSTALLER B

NOTE: Be careful not to tilt ball bearing during installation.

6) Install snap ring using snap ring pliers.

NOTE: Rotate snap ring to check for proper installation.





Rack Housing Oil Seal And Back-up Washer
- Removal
Insert a round rod [26 - 27 mm (1.02 - 1.06 in) dia.] from pinion housing side and remove oil seal and back-up washer by hammering the rod.

NOTE:
- Discard removed oil seal and back-up washer.
- Apply the unchamfered end of remover to back-up washer.





- Installation
Force-fit oil seal and back-up washer using ST. ST 927650000 INSTALLER

CAUTION: Be careful not to damage or scratch cylinder inner wall.

NOTE;
- Apply ATF DEXRON II to oil seal.
- Pay special attention not to install back-up washer and oil seal in wrong direction.
- Push oil seal until the stepped portion of A contacts end face of B.