Lexus ES300 (1997 year). Manual — part 85

AUTOMATIC TRANSAXLE

OVERDRIVE UNIT

-

AX-67

COUNTER DRIVE GEAR ASSEMBLY

1.

INSTALL SNAP RING INTO COUNTER GEAR
Install the snap ring with a screwdriver.

2.

INSTALL OUTER RACES INTO COUNTER DRIVE
GEAR
Using SST, press in the 2 outer races to both sides of the
gear.
SST 09350-32014 (09351-32120, 09351-32150)
HINT: Press in the 2 outer races until they touch the snap
ring. Tap the races in straight, so that they do not tilt.

3.

INSTALL OVERDRIVE PLANETARY RING GEAR INTO
COUNTER DRIVE GEAR

(a)

Install the snap ring to the ring gear.

(b)

While pushing down the ring gear, squeeze the snap ring
end with needle-nose pliers, and install it into the groove.

4.

INSTALL REAR BEARING
Using SST, press in the bearing onto the shaft.
SST 09350-32014 (09351-32120)
HINT: Press in the bearing until the side surface of the in-
ner race touches the planetary carrier.

AX040-03

AUTOMATIC TRANSAXLE

OVERDRIVE UNIT

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AX-68

5.

INSTALL COUNTER DRIVE GEAR AND FRONT BEAR-
ING

(a)

Install the gear onto the shaft, and mesh the ring gear with
the planetary pinions.

(b)

Place the front bearing on to the shaft.

(c)

Using SST, press in the bearing until there is slight play
between the bearings.
SST 09350-32014 (09351-32120)
HINT: Hold the ring gear to prevent it from falling.

6.

INSTALL INTERMEDIATE SHAFT BEARING
Using SST, press in the bearing until it slightly touches the
front bearing of the counter drive gear.
SST 09350-32014 (09351-32120)
HINT: The counter drive gear can be turned lightly.

7.

PLACE NEW LOCKING WASHER

8.

INSTALL ADJUSTING NUT AND ADJUST PRELOAD
OF COUNTER DRIVE GEAR

(a)

Hold the overdrive planetary gear in a vise with soft jaws.

(b)

Using SST, tighten the adjusting nut until the following
gear starting load is reached on the tension gauge.
SST 09350-32014 (09351-32080)

Preload (at starting):

9.2-15.3 N (940-1,560 g, 2.1-3.4 lb)

AUTOMATIC TRANSAXLE

OVERDRIVE UNIT

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AX-69

HINT: Turn the counter drive gear right and left several
times before measuring the preload.

(c)

Lock the adjusting nut with one locking washer tab. Bend
the locking washer tab until it is flat with the adjusting nut
groove.

9.

INSTALL NO.3 OVERDRIVE PLANETARY THRUST
WASHER

10. INSTALL PINION SHAFT PLUGS

Install the 4 plugs into the pinion shaft.

11. INSTALL OVERDRIVE ONE-WAY CLUTCH AND RE-

TAINING PLATE

(a)

Install the one-way clutch into the outer race.

(b)

Install the 2 retainers on both sides of the one-way clutch.

(c)

Install the one-way clutch into the overdrive planetary
gear.
HINT: Be sure that the one-way clutch is installed in the
correct direction.

(d)

Install the retaining plate.

AUTOMATIC TRANSAXLE

OVERDRIVE UNIT

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AX-70

(e)

Install the snap ring.

12. CHECK OPERATION OF O/D ONE-WAY CLUTCH
(a)

Install the overdrive direct clutch into the one-way clutch.

(b)

Hold the overdrive direct clutch and turn the intermediate
shaft. The shaft should turn freely clockwise and should
lock counterclockwise.

(c)

Remove the overdrive direct clutch.

OVERDRIVE CASE DISASSEMBLY

1.

REMOVE C

0

ACCUMULATOR PISTON FROM OVER-

DRIVE CASE

(a)

Using snap ring pliers, remove the snap ring.

(b)

Remove the retaining plate and 2 springs.

(c)

Remove the accumulator piston.

(d)

Remove the O-ring from the piston.

AX041-02