pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

A/T Oil Pump Rotor and Slide - Service Procedure|Page 2387 > < A/T - Valve Body Cover or Oil Pan Leaks|Page 2382
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Fluid Pump: Technical Service Bulletins
A/T Oil Pump Rotor and Slide - Service Procedure

Number 86-7-32

Date

8/86

Subject:

OIL PUMP ROTOR AND SLIDE SERVICE PROCEDURE

1980-86 6000, PHOENIX, SUNBIRD, GRAND AM AND FIERO WITH THM 125/125C TRANSMISSION

When servicing the oil pump rotor and slide on a THM 125/125C transaxle, refer to the appropriate Service Manual, which describes the following
procedure:

Pump Rotor/Slide Thickness Measurement

Use a micrometer to measure the original pump rotor and/or slide thickness. Refer to Figure 1.. Take measurement on a flat, undamaged surface.
Use the original part measurement to select the proper service package from the following charts:

1980-1981 THM 125 (Order rotor and slide separately)

Rotor (mm)

Part Number

Slide (mm)

Part Number

17.943-17.955

8653961

17.955-17.967

8631800

17.956-17.968

8653962

17.968-17.980

8631801

17.969-17.981

8653963

17.981-17.993

8631802

17.982-17.994

8653964

17.994-18.006

8631803

17.995-18.008

8653965

18.007-18.020

8631804

1982-1986 THM 125C (Order rotor and slide as complete package)

Rotor (mm)

Service Package Number

17.943-17.956

8652903

17.956-17.969

8652904

17.969-17.982

8652905

17.917-17.930

8652906

17.930-17.943

8652907

A/T Oil Pump Rotor and Slide - Service Procedure|Page 2387 > < A/T - Valve Body Cover or Oil Pan Leaks|Page 2382