Toyota 4-Runner 1985 Repair Manual page 477

AUTOMATIC TRANSMISSION - Component Groups (Valve Body) AT-75
6. INSERT SPRING, 1-2 SHIFT UPPER VALVE, LOWER VALVE
AND PLUG
Set the valve body on edge and carefully insert the spring,
1-2 shift upper valve, lower valve and plug.
7 . INSTALL 1-2 SHIFT VALVE PLUG RETAINER
8. INSERT SPRING, 3-4 SHIFT VALVE AND PLUG
Set the valve body on edge and carefully insert the spring,
3-4 shift valve (small end first) and plug.
9. INSTALL 3-4 SHIFT VALVE PLUG LOCATING PIN
10. INSTALL 0-2 DOWN TIMING VALVE AND PLUG
Insert the 0-2 down timing valve with the small end first
and then the plug with the large end first.
11. INSTALL 0-2 DOWN TIMING VALVE RETAINER
12. INSERT PRIMARY REGULATOR VALVE AND SPRING
Set the valve body on edge and drop in the valve with the
large end first and the spring.
13. CHECK VALVE POSITION
Make sure that the primary regulator valve fits flush with
the valve body.