Toyota 4-Runner 1985 Repair Manual page 394

MANUAL TRANSMISSION -
G 52 Transmission
MT-63
GM0088
GM0089
GM0090
GM0091
31. INSTALL SHIFT FORK SHAFT NO.5 AND REVERSE SHIFT
HEAD
(a) Install the reverse shift head into fork shaft No.5.
(b) Insert fork shaft No.5 to the intermediate plate and
put in the reverse shift head to shift fork shaft No.3.
32. INSTALL SHIFT FORK SHAFT NO.4, SHIFT FORK NO.3
AND TWO LOCKING BALLS
(a) Using a magnetic finger and screwdriver, install the
locking ball into the reverse shift head hole.
(b) Shift hub sleeve No.3 to the 5th speed position.
(c) Place shift fork No.3 into the groove of hub sleeve
No.3 and install fork shaft No.4 to shift fork No.4 and
reverse shift arm.
(d) Using a magnetic finger and screwdriver, install the
locking ball into the intermediate plate and insert fork
shaft No.4 to the intermediate plate.