Lexus ES300 (1997 year). Service manual — part 84

AUTOMATIC TRANSAXLE

OVERDRIVE UNIT

-

AX-63

2.

CHECK COUNTER DRIVE GEAR PRELOAD

(a)

Hold the O/D planetary gear in a vise with soft jaws.
HINT: Do not let the counter drive gear touch the vise.

(b)

Using a tension gauge, measure the preload.

Preload (at starting):

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

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

3.

REMOVE O/D ONE-WAY CLUTCH AND OUTER RACE

(a)

Remove the snap ring.

(b)

Remove the retaining plate.

(c)

Remove the O/D one-way clutch with outer race.

(d)

Remove the 2 retainers from both sides of the O/D one-
way clutch.

AUTOMATIC TRANSAXLE

OVERDRIVE UNIT

-

AX-64

(e)

Remove the O/D one-way clutch from the outer race.
HINT: Note the direction of the one-way clutch.

4.

REMOVE NO.3 PLANETARY THRUST WASHER

5.

REMOVE PLUGS FROM PLANETARY GEAR
Remove the 4 plugs with a magnetic finger.

NOTICE: Be careful not to lose them.

6.

REMOVE ADJUSTING NUT AND LOCKING WASHER

(a)

Pry off the locking washer.

(b)

Using SST, loosen the adjusting nut.
SST 09350-32014 (09351-32080)

(c)

Remove the adjusting nut and locking washer.

7.

REMOVE INTERMEDIATE SHAFT BEARING
Using SST, press out the bearing from the shaft.
SST 09950-00020

AUTOMATIC TRANSAXLE

OVERDRIVE UNIT

-

AX-65

8.

REMOVE COUNTER DRIVE GEAR AND FRONT
BEARING
Press out the gear and bearing together.

9.

REMOVE REAR BEARING

(a)

Using SST, press out the bearing.
SST 09950-00020

(b)

Tag the bearings to show the location for reassembly.

10. REMOVE O/D PLANETARY RING GEAR FROM

COUNTER DRIVE GEAR

(a)

While pulling up the ring gear, compress the snap ring
with needle-nose pliers and remove it from the groove.

(b)

Remove the ring gear from the counter drive gear.

(c)

Remove the snap ring from the ring gear.

AUTOMATIC TRANSAXLE

OVERDRIVE UNIT

-

AX-66

11. REMOVE OUTER RACES FROM COUNTER DRIVE

GEAR

(a)

Drive out the 2 races with a brass bar and hammer.

(b)

Tag the races to show the location for reassembly.

12. REMOVE SNAP RING FROM COUNTER DRIVE GEAR

Using a screwdriver, remove the snap ring.

OVERDRIVE PLANETARY GEAR
INSPECTION

MEASURE PLANETARY PINION GEAR THRUST
CLEARANCE
Using a feeler gauge, measure the planetary pinion gear
thrust clearance.

Standard clearance:

0.16-0.56 mm (0.0063-0.0220 in.)

Maximum clearance:

0.61 mm (0.0240 in.)

If the clearance is greater then the maximum, replace the
planetary gear assembly.

AX03Z-03