Lexus ES300 (2002 year). Service manual — part 411

-

INTRODUCTION

HOW TO USE THIS AUTOMATIC TRANSAXLE REPAIR
MANUAL

01-3

3

U150E A/T REPAIR MANUAL (RM913U)

7.

SI UNIT

(a)

The UNITS given in this manual are primarily expressed according to the SI UNIT (International Sys-
tem of Unit), and alternately expressed in the metric system and in the English System.
Example:
Torque:

30 N

⋅

m (310 kgf

⋅

cm, 22 ft

⋅

lbf)

4006F-02

D09205

D03650

D03651

D09207

40-68

-

AUTOMATIC TRANSMISSION / TRANS

OIL PUMP ASSY (U150E)

90

U150E A/T REPAIR MANUAL (RM913U)

OIL PUMP ASSY (U150E)

OVERHAUL

1.

INSPECT OIL PUMP ASSY

(a)

Turn the drive gear with 2 screwdrivers and make sure it
rotates smoothly.

NOTICE:
Be careful not to damage the oil seal lip.

2.

REMOVE CLUTCH DRUM OIL SEAL RING

(a)

Remove the 2 clutch drum oil seal rings.

3.

REMOVE STATOR SHAFT ASSY

(a)

Using a torx socket (T30), remove the 11 bolts and stator
shaft.

(b)

Keep the gears in assembling order.

4.

INSPECT CLEARANCE OF OIL PUMP ASSEMBLY

(a)

Push the driven gear to one side of the body.

(b)

Using a feeler gauge, measure the clearance.
Standard body clearance:
0.10 - 0.17 mm (0.0039 - 0.0067 in.)
Maximum body clearance: 0.17 mm (0.0067 in.)

If the body clearance is greater than the maximum, replace the
oil pump body sub-assy.

D09208

D09209

D09206

D09206

-

AUTOMATIC TRANSMISSION / TRANS

OIL PUMP ASSY (U150E)

40-69

91

U150E A/T REPAIR MANUAL (RM913U)

(c)

Using a feeler gauge measure the tip clearance between
the driven gear teeth and drive gear teeth.
Standard tip clearance:
0.07 - 0.15 mm (0.0028 - 0.0059 in.)
Maximum tip clearance: 0.15 mm (0.0059 in.)

If the tip clearance is greater than the maximum, replace the oil
pump body sub-assy.

(d)

Using a straight edge and feeler gauge, measure the side
clearance of both gears.
Standard side clearance:
0.02 - 0.05 mm (0.0008 - 0.0020 in.)
Maximum side clearance: 0.05 mm (0.0020 in.)

Drive gear thickness: mm (in.)

Mark

Thickness

A

11.690 - 11.699 (0.4602 - 0.4606)

B

11.700 - 11.709 (0.4606 - 0.4610)

C

11.710 - 11.720 (0.4610 - 0.4614)

D

11.721 - 11.730 (0.4615 - 0.4618)

E

11.731 - 11.740 (0.4619 - 0.4622)

Driven gear thickness: mm (in.)

Mark

Thickness

A

11.690 - 11.699 (0.4602 - 0.4606)

B

11.700 - 11.709 (0.4606 - 0.4610)

C

11.710 - 11.720 (0.4610 - 0.4614)

D

11.721 - 11.730 (0.4615 - 0.4618)

E

11.731 - 11.740 (0.4619 - 0.4622)

5.

REMOVE FRONT OIL PUMP DRIVE GEAR

(a)

Remove the front oil pump drive gear.

6.

REMOVE FRONT OIL PUMP DRIVEN GEAR

(a)

Remove the front oil pump driven gear.

D25586

D03647

SST

D03648

D03653

D03654

SST

40-70

-

AUTOMATIC TRANSMISSION / TRANS

OIL PUMP ASSY (U150E)

92

U150E A/T REPAIR MANUAL (RM913U)

7.

REMOVE FRONT OIL PUMP BODY O-RING

(a)

Using a screwdriver, remove the O-ring.

HINT:
Tape the screwdriver before use.

8.

REMOVE FRONT OIL PUMP OIL SEAL

(a)

Mount oil pump in a soft jaw vise.

(b)

Using SST, remove the oil seal from the oil pump body.
SST

09308-00010

9.

INSPECT FR OIL PUMP & GEAR BODY SUB-ASSY

(a)

Using a dial indicator, measure the inside diameter of the
oil pump body bushing.
Standard inside diameter:
38.113 - 38.138 mm (1.50051 - 1.50149 in.)
Maximum inside diameter: 38.188 mm (1.50346 in.)

If the inside diameter is greater than the maximum, replace the
oil pump body sub-assy.

10.

INSPECT STATOR SHAFT ASSY

(a)

Using a dial indicator, measure the inside diameter of the
stator shaft.
Standard inside diameter:
21.500 - 21.526 mm (0.84646 - 0.84748 in.)
Maximum inside diameter: 21.57 mm (0.8492 in.)

If the indicator diameter is greater than maximum, replace the
stator shaft.

11.

INSTALL FRONT OIL PUMP OIL SEAL

(a)

Using SST and a hammer, install a new oil seal to the oil
pump body.
SST

09350-32014 (09351-32140)

HINT:
The seal end should be flat with the outer edge of the oil pump.
(b)

Coat the lip of the oil seal with petroleum jelly.