Inspection [08/2015 - ]: Procedure

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INSPECT STATOR SHAFT SPRING SUB-ASSEMBLY

Using a vernier caliper and straightedge, measure the distance between the end of the spring of the stator shaft spring sub-assembly and the straightedge.

Standard Distance

6.52 mm (0.257 in.)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Straightedge

If the distance is more than specified, replace the stator shaft spring sub-assembly.

INSPECT FRONT OIL PUMP BODY SUB-ASSEMBLY

Using a caliper gauge, measure the inside diameter of the front oil pump body sub-assembly bushing.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Maximum Inside Diameter

41.173 mm (1.62 in.)

If the inside diameter is more than the maximum, replace the front oil pump body sub-assembly.

INSPECT STATOR SHAFT ASSEMBLY

Using a caliper gauge, measure the inside diameter of the stator shaft assembly bushing.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Maximum Inside Diameter (Front Side)

21.527 mm (0.848 in.)

Maximum Inside Diameter (Rear Side)

35.251 mm (1.39 in.)

If the inside diameter is more than the maximum, replace the stator shaft assembly.

INSPECT OIL PUMP ASSEMBLY CLEARANCE

Push the front oil pump driven gear to one side of the front oil pump body sub-assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using a feeler gauge, measure the clearance between the front oil pump driven gear and front oil pump body sub-assembly.
Standard Clearance

0.10 to 0.17 mm (0.00394 to 0.00669 in.)

If the clearance is not as specified, replace the front oil pump drive gear, front oil pump driven gear and front oil pump body sub-assembly.

Using a feeler gauge, measure the clearance between the front oil pump driven gear teeth and front oil pump drive gear teeth.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Tip Clearance

0.07 to 0.15 mm (0.00276 to 0.00590 in.)

If the tip clearance is not as specified, replace the front oil pump drive gear, front oil pump driven gear and front oil pump body sub-assembly.

Using a straightedge and feeler gauge, measure the side clearance of both gears.

Standard Side Clearance

0.025 to 0.045 mm (0.000985 to 0.00177 in.)

If the side clearance is not as specified, replace the front oil pump drive gear, front oil pump driven gear and front oil pump body sub-assembly.

HINT:

There are 7 front oil pump drive gears and front oil pump driven gears of different thicknesses.

Front oil pump drive gear thickness

11.412 to 11.418 mm (0.4493 to 0.4495 in.)

Front oil pump driven gear thickness

11.412 to 11.418 mm (0.4493 to 0.4495 in.)

INSPECT FRONT OIL PUMP DRIVE GEAR ROTATION

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Install the oil pump assembly to the torque converter assembly.
2. Check that the front oil pump drive gear rotates smoothly.
3. Remove the oil pump assembly from the torque converter assembly.