Part 2
24. REMOVE OIL PUMPa. Stand up the transmission.
b. Remove the 7 bolts holding the oil pump to the transmission case.
c. Using SST, remove the oil pump.
SST 09610-20012
d. Remove the race from the oil pump.
e. Remove the O-ring from the oil pump.
25. REMOVE OVERDRIVE PLANETARY GEAR WITH OVERDRIVE DIRECT CLUTCH AND ONE-WAY CLUTCH
a. Remove the overdrive planetary gear with the overdrive direct clutch and one-way clutch from the transmission case.
b. Remove the race and assembled bearing and race.
c. Remove the bearing and race.
d. Remove the overdrive planetary ring gear from the transmission case.
26. CHECK PISTON STROKE OF OVERDRIVE BRAKE
a. Place SST and a dial indicator onto the overdrive brake piston.
SST 09350-30020 (09350-06120)
b. Measure the stroke while applying and releasing compressed air (392 - 785 kPa, 4 - 8kgf/cm2, 57 - 114 psi).
Piston stroke:
Tacoma, 4Runner: 1.32 - 1.62 mm (0.0520 - 0.0638 inch)
Previa, T100: 1.40 - 1.70 mm (0.0551 - 0.0669 inch)
Land Cruiser: 1.75 - 2.05 mm (0.0689 - 0.0807 inch)
If the values are non-standard, inspect the disc.
27. REMOVE FLANGES, PLATES AND DISCS OF OVERDRIVE BRAKE
a. Using a screwdriver, remove the snap ring.
b. Remove the flanges, plates and discs as a set.
28. CHECK PISTON ROD STROKE OF SECOND COAST BRAKE
a. Place a mark on the second coast brake piston rod.
b. Using SST, measure the stroke while applying compressed air (392 - 785 kPa, 4 - 8 kgf/cm2, 57 - 114 psi).
SST 09350-30020 (09350-00020)
Piston stroke: 1.5 - 3.0 mm (0.059 - 0.118 inch)
If the values are non-standard, inspect the brake band.
29. REMOVE SECOND COAST BRAKE COVER, PISTON ASSEMBLY AND SPRING
a. Using SST, remove the snap ring.
SST 09350-30020 (09350-07060)
b. Applying compressed air to the oil hole, remove the second coast brake cover, piston assembly and spring.
c. Remove the 2 O-rings from the cover.
30. REMOVE OVERDRIVE SUPPORT ASSEMBLY
a. Remove the assembled bearing.
b. Remove the 2 bolts holding the overdrive support assembly to the case.
c. Using SST, remove the snap ring.
SST 09350-30020 (09350-07060)
d. Using SST, remove the overdrive support assembly.
SST 09350-30020 (09350-07020)
e. Remove the race.
31. REMOVE DIRECT CLUTCH WITH FORWARD CLUTCH
a. Remove the direct clutch with the forward clutch from the case.
b. Remove the 2 bearings and races.
32. REMOVE SECOND COAST BRAKE BAND
a. Remove the E-ring from the pin.
b. Remove the pin from the brake band.
c. Remove the second coast brake from the case.
33. REMOVE FRONT PLANETARY GEAR UNIT
a. Remove the race.
b. Remove the front planetary ring gear from the case
c. Remove the bearing and race.
d. Remove the race.
e. With wooden blocks or equivalent under the output shaft, stand the transmission on the output shaft.
f. Using SST, remove the snap ring.
SST 09350-30020 (09350-07070)
g. Remove the front planetary gear from the case.
h. Using a screwdriver, remove the bearing and race from the front planetary gear.
34. REMOVE PLANETARY SUN GEAR WITH NO.1 ONE-WAY CLUTCH
35. CHECK PACK CLEARANCE OF SECOND BRAKE
Using a feeler gauge, measure the clearance between the snap ring and flange.
Pack clearance:
Tacoma, 4Runner: 0.50 - 1.76 mm (0.0197 - 0.0693 inch)
Previa, T100, Land Cruiser: 0.62 - 1.98 mm (0.0244 - 0.0780 inch)
If the values are non-standard, inspect the disc.
36. REMOVE FLANGE, PLATES AND DISCS OF SECOND BRAKE
a. Using a screwdriver, remove the snap ring.
b. Remove the flange, plates and discs as a set.
37. CHECK PACK CLEARANCE OF FIRST AND REVERSE BRAKE
Using a feeler gauge, measure the clearance between the plate and second brake drum.
Pack clearance:
Tacoma, 4Runner: 0.50 - 1.02 mm (0.0197 - 0.0402 inch)
Previa, T100: 0.60 - 1.12 mm (0.0244 - 0.0441 inch)
Land Cruiser: 0.70 - 1.22 mm (0.0276 - 0.0480 inch)
If the values are non-standard, inspect the discs.
38. REMOVE SECOND BRAKE PISTON SLEEVE
39. REMOVE REAR PLANETARY GEAR WITH SECOND BRAKE DRUM, FIRST AND REVERSE BRAKE PACK AND OUTPUT SHAFT
a. Using SST and 2 screwdrivers, remove the snap ring.
SST 09350-30020 (09350-07060)
b. Remove the rear planetary gear, second brake drum, first and reverse brake pack and output shaft as an assembly.
c. Remove the assembled thrust bearing and race from the case.
d. Remove the second brake drum assembly.
e. Remove the cushion plate, flange, plates and discs of the first and reverse brake.
40. REMOVE LEAF SPRING
41. REMOVE BRAKE DRUM GASKET
42. CHECK PISTON STROKE OF FIRST AND REVERSE BRAKE
Make sure the first and reverse brake pistons move smoothly when applying and releasing the compressed air into the transmission case.
43. REMOVE COMPONENTS OF FIRST AND REVERSE BRAKE PISTON
a. Set SST on the spring retainer, and compress the return spring.
SST 09350-30020 (09350-07050)
b. Remove the snap ring with snap ring pliers.
c. Remove the piston return spring.
d. Hold the No.2 first and reverse brake piston with hand, apply compressed air to the transmission case to remove the No.2 first and reverse brake piston.
e. Remove the No.2 first and reverse brake piston. If the piston does not pop out with compressed air, lift the position out with needle-nose pliers.
f. Remove the O-ring from the No.2 piston.
g. Install SST behind the reaction sleeve and gradually lift it out on the transmission case.
SST 09350-30020 (09350-07080)
h. Remove the O-ring from the reaction sleeve.
i. Install SST behind the No.1 brake piston and gradually lift it out of the transmission case.
SST 09350-30020 (09350-07090)
j. Remove the 2 O-rings from the No.1 piston.