Oil Pump Clearance Specifications

Application

In. (mm)

Gear-To-Housing

Standard

.003-.006 (.07-.14)

Maximum

.012 (.30)

Gear Tip Clearance

Standard

.004-.006 (.10-.14)

Maximum

.012 (.30)

Gear Side Clearance

Standard

.0008-.0020 (.020-.050)

Maximum

.004 (.10)

Housing Bushing

1.504 (38.19)

Stator Shaft Bushing (Maximum)

Front

.850 (21.58)

Rear

1.066 (27.08)

Reassembly

1. Install oil seal until seal is even with outer edge of pump housing. Place stator shaft in torque converter while working on pump. Coat all components with ATF. See Fig. 26.

2. Align reference marks on gears during installation. To complete reassembly, reverse disassembly procedure. Tighten bolts to specification. See TORQUE SPECIFICATIONS. DO NOT over expand seal rings during installation. Ensure seal rings move smoothly after installation. Ensure drive gear rotates smoothly when installed in torque converter.

2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul

A340f Gearbox Oil Pump
Fig. 26: Exploded View Of Oil Pump Assembly Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul

Oil Pump Tip Clearance Check
Fig. 27: Measuring Oil Pump Clearances Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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    How to check engine oil pump?
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