Toyota 4-Runner 1985 Repair Manual page 486

AT-84
AUTOMATIC TRANSMISSION - Component Groups (Valve Body)
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(1) {2}
(3) (4)
(5) (6)
10. REMOVE COVER PLATE, SPRING AND INTERMEDIATE
MODULATOR VALVE
11. REMOVE DETENT REGULATOR VALVE RETAINER
12.
REMOVE SPRING AND DETENT REGULATOR VALVE
INSPECTION OF UPPER REAR VALVE BODY
INSPECT VALVE SPRINGS
Check for damage, squareness, rust and collapsed coile
Measure the spring free height and replace it if less th
that shown below.
Free length mm (in.)
(1) Low-coast modulator valve 42.35 (1.6673)
(2) Reverse clutch sequence valve 37.55 (1.4783)
(3) Governor modulator valve 36.07 (1.4201)
(4) 2-3 shift valve 35.10 (1.3819)
(5) Detent regulator valve 29.93 (1.1783)
(6) Intermediate modulator valve 27.26 (1.0732)