Upper Valve Body

Upper Valve Body





Cross Section

Part 1:

Part 2:

Disassembled View

Disassembly





1. Remove the two types of check balls (1) from the valve body.
Number of check ball: 11





NOTE: Confirm eight retainers are installed correctly.





2. Remove the retainer (2) for check valve.





3. Remove the check valve NO.2 (3), ball (4) and check valve NO. 1 (5) from the valve body.





4. Remove the retainer (6) for check valve.





5. Remove the check valve NO.2 (7), ball (8) and check valve NO. 1 (9) from the valve body.





6. Remove the retainer (10) for secondary regulator valve with a magnetic finger by pushing the plug.





7. Remove the plug (11), secondary regulator valve (12) and spring (13).





8. Remove the retainer (14) for 2-3 shift valve with a magnetic finger by pushing the plug.





9. Remove the plug (15), spring (16) and 2-3 shift valve (17).





10. Remove the retainer (18) for reverse control valve with a magnetic finger by pushing in the plug.





11. Remove the plug (19), spring (20) and reverse control valve (21).





12. Remove the retainer (22) for second coast modulator valve with a magnetic finger by pushing the plug.





13. Remove the plug (23), second coast modulator valve (24) and spring (25).





14. Remove the retainer (26) for 3-4 shift valve with a magnetic finger by pushing the plug.





15. Remove the plug (27), 3-4 shift valve (28) and spring (29).





16. Remove the retainer (30) for lock-up relay valve with a magnetic finger by pushing in the sleeve.





17. Remove the sleeve (31) with the plunger (32), spring (33) and lock-up relay valve (34).
Remove the lock-up relay valve (34), spring (33) and plunger (32) from the sleeve (31).

Inspection and Repair





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

Reassembly





1. Install the plunger (32) and spring (33) into the sleeve (31).
Install the lock-up relay valve (34) into the sleeve (31).
Install the sleeve (31) with the plunger (32), spring (33) and lock-up relay valve (34) into the bore.





2. Install the retainer (30).





3. Install the spring, 3-4 shift valve (28) and plug (27) into the bore.





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





5. Install the spring (25), second coast modulator valve (24) and plug (23) into the bore.





6. Install the retainer (22) by pushing the plug.





7. Install the reverse control valve (21), spring (20) and plug (19) into the bore.





8. Install the retainer (18) by pushing the plug.





9. Install the 2-3 valve (17), spring (16) and plug (15) into the bore.





10. Install the retainer (14) by pushing the plug.





11. Install the spring (13), secondary regulator valve (12) and plug (11) into the bore.





12. Install the retainer (10) by pushing the plug.





13. Install the check valve NO.1 (9), ball (8) and check valve NO.2 (7) to valve body.





14. Install the retainer (6).





15. Install the check valve NO.1 (5), ball (4) and check valve NO.2 (3) to the valve body.





16. Install the retainer (2).





NOTE: Make sure eight retainers are installed correctly








17. Install the two types of check balls (1) to the valve body.
Number of check ball: 11