Cutlass Ciera FWD L4-151 2.5L (1982)
Fluid Pump: Technical Service Bulletins
Oil Pump Rotor and Slide - Updated Service Part Numbers
SUBJECT
1980-86 THM 125/125C UPDATED SERVICE PART
NUMBER: 86-T-52
NUMBERS FOR OIL PUMP ROTOR AND SLIDE
DATE:
September 2, 1986
MODELS/YEARS
1980-86 MODELS WITH THM 125/125C
TRANSAXLES
SECTION: 7A
This bulletin updates Dealer Technical Bulletin 83-T-17.
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:
FIGURE 1
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
