Lower Valve Body

Lower Valve Body





Cross Section

Part 1:

Part 2:

Disassembled View

Disassembly





1. Remove by-pass valve and spring.





2. Remove three strainers.





NOTE: Confirm six retainers are installed correctly.

3. Remove the shift solenoid S1 and shift solenoid S2.
^ Remove the fixing bolt.
^ Remove the shift solenoid S1 (2) and S2 (1) from each bore.
^ Remove the O-rings from each solenoid.
4. Remove the lock-up solenoid SL
^ Remove the fixing bolt.
^ Remove the lock-up solenoid SL (3) from the bore.
^ Remove the O-ring from solenoid.
5. Remove the accumulator sub-assembly
^ Remove the clamp.
^ Remove the accumulator sub-assembly (4) from the bore.








6. Remove the retainer (5). Remove the spring and ball from the valve body.





7. Remove the 1-2 shift valve retainer (12) with a magnetic finger by pushing the plug.





8. Remove the plug, spring and 1-2 shift valve.





9. Remove the retainer (16) for low coast modulator valve by pushing the spring with a screwdriver.





10. Remove the spring and low coast modulator valve.





11. Remove the retainer (19) for accumulator control valve with a magnetic finger by pushing the plug.





12. Remove the plug (20), spring (21) and accumulator control valve (22).





13. Remove the retainer (23) for solenoid modulator valve (25) by pushing the spring with a screwdriver.





14. Remove the spring (24) and solenoid modulator valve (25).





15. Remove the retainer (26) for cut back valve (29) with a magnetic finger by pushing the plug.





16. Remove the plug (27), spring (28) and cut back valve (29).





17. Place a mark on the top of sleeve (31) and the retainer (30) for primary regulator valve (36) where they are positioned.

NOTE: When reassembling, position the retainer in the same position.





Remove the retainer (30) with a magnetic finger by pushing the sleeve.





18. Remove the sleeve (31) with the plungers (32) (33), spring (34) and washer.
Remove the two plungers (32) (33) from the sleeve.
Remove the primary regulator valve (36) from the valve body (37).

Inspection and Repair





1. Inspect strainer
Inspect strainer for residual adhesive and damage, and clean and replace as necessary.








2. Inspect valve springs
Check for damage, squareness, rust and distorted coils.
Measure the spring free length and replace if less than shown.

Reassembly





1. Install the washer (35) onto the primary regulator valve (36).
Install the primary regulator valve (36) with the washer (35) into the bore of lower valve body.
Install the two plungers (32) (33) into the sleeve (31).
Align the mark on the top of sleeve (31) with the mark on the retainer (30).
Install the sleeve (31) with the two plungers (32) (33) and spring (34) into the bore.





2. Install the retainer (30) by pushing the sleeve.





NOTE: Install the retainer (30) to the same position on the top of sleeve (31), as when disassembling.





3. Install the cut back valve (29), spring (28) and plug (27) into the bore.





4. Install the retainer (26) by pushing the plug.





5. Install the coast modulator valve (25) and spring (24) into the bore.





6. Install the retainer (23) by pushing the spring.





7. Install the accumulator control valve (22), spring (21) and plug (20) into the bore.





8. Install the retainer (19) by pushing in the plug.





9. Install the low coast modulator valve (18) and spring (17) into the bore.





10. Install the retainer (16) by pushing the spring.





11. Install the 1-2 shift valve (15), spring (14) and plug (13) into the bore.





12. Install the retainer (12) by pushing the plug.





13. Install the ball (11), spring (10) and retainer (9) to the valve body.
Torque: 6.9 Nm (60 inch lbs.)
14. Install the accumulator sub-assembly (8) and clamp (7) to the valve body.
Torque: 10 Nm (87 inch lbs.)
15. Install a new O-ring to the lock-up solenoid SL (6).
Install the solenoid to the valve body.
Torque: 10 Nm (87 inch lbs.)





16. Install a new O-ring to the shift solenoid S2 (5) and shift solenoid S1 (4).
Install the solenoids to the valve body.
Torque: 10 Nm (87 inch lbs.)





NOTE: Make sure six retainers are installed correctly.





17. Install the three strainers (3) to the valve body as shown.





18. Install the spring (2) and by-pass valve (1) to the valve body as shown.