Lexus RX300 (MCU15). Manual — part 583
AX0AZ–02
D03846
D03845
D03843
D03796
SST
–
AUTOMATIC TRANSAXLE
SECOND BRAKE
AX–75
U140F AX (RM848E)
REASSEMBLY
1.
INSTALL 2ND BRAKE PISTON
(a)
Coat 2 new O–rings with ATF and install them in the 2nd
brake piston.
(b)
Be careful not to damage the O–rings and press in the
2nd brake piston into the 2nd brake cylinder with a your
hands.
2.
INSTALL PISTON RETURN SPRING
(a)
Install the piston return spring.
(b)
Place SST on the piston return spring, and compress the
piston return spring with a press.
SST
09387–00060
(c)
Using a screwdriver, install the snap ring.
NOTICE:
Be sure the end gap of the snap ring is not aligned with the
piston return spring claw.
AX0B4–04
D03683
z Non–reusable part
Cylindrical
Roller Bearing
Inner Race
Differential
Drive Pinion
Parking Lock Gear
Tapered Roller Bearing FR
U/D Planetary
Ring Gear
Snap Ring
Counter Driven Gear
U/D Planetary Gear
Tapered Roller Bearing RR
z
See page AX–79
AX–76
–
AUTOMATIC TRANSAXLE
UNDERDRIVE PLANETARY GEAR
U140F AX (RM848E)
UNDERDRIVE PLANETARY GEAR
COMPONENTS
AX0B5–03
D03685
SST
SST
D03686
SST
D03687
D03688
SST
D03689
SST
SST
–
AUTOMATIC TRANSAXLE
UNDERDRIVE PLANETARY GEAR
AX–77
U140F AX (RM848E)
DISASSEMBLY
1.
MEASURE STARTING TORQUE OF U/D INPUT SHAFT
Using SST and a small torque wrench, measure the staring
torque of the U/D input shaft.
SST
09387–00050, 09564–16020
Turning torque at 60 rpm:
0.5 – 3.3 N·m (5 – 33 kgf·cm, 4.3 – 28.6 in.·lbf)
HINT:
Use a torque wrench with a fulcrum length of 160 mm (6.3 in.).
2.
REMOVE CYLINDRICAL ROLLER BEARING INNER
RACE
(a)
Using SST, loosen the staked part of the nut.
SST
09930–00010 (09931–00010, 09930–00020)
(b)
Clamp the U/D planetary gear in soft jaw vise.
NOTICE:
Be careful not to damage the differential drive pinion.
(c)
Using SST, remove lock nut.
SST
09564–16020
(d)
Using SST, remove cylindrical roller bearing inner race.
SST
09950–00020, 09950–00030, 09950–60010
(09951–00340)
D03690
SST
D03691
SST
SST
D03826
D03827
AX–78
–
AUTOMATIC TRANSAXLE
UNDERDRIVE PLANETARY GEAR
U140F AX (RM848E)
3.
REMOVE U/D PLANETARY GEAR
(a)
Using SST and a press, remove the differential drive pin-
ion, parking lock gear, counter driven gear with U/D plane-
tary ring gear and tapered roller bearing FR.
SST
09387–00050
(b)
Clamp the U/D planetary gear in soft jaw vise.
(c)
Using SST, remove the tapered roller bearing RR from the
U/D planetary gear.
SST
09950–00020, 09950–00030, 09950–60010
(09951–00320)
4.
REMOVE U/D PLANETARY RING GEAR
(a)
Using snap ring pliers, remove snap ring.
(b)
Remove the U/D planetary ring gear from the counter
driven gear.
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