Ninety-Eight V6-252 4.1L VIN 4 4-BBL (1982)
Fluid Pump: Technical Service Bulletins
A/T - Oil Pump Rotor and Slide Service
SUBJECT
SERVICE PROCEDURE FOR THE OIL PUMP
ROTOR AND SLIDE ON A 200-4R TRANSMISSION
NUMBER: 84-T-12
DATE:
July 11, 1984
MODELS/YEARS
1981-84 CUTLASS SUPREME, 88 & 98
SECTION:
7A
Beginning mid-November 1983, service parts became available to service the oil pump rotor and slide of the pump body assembly on all THM 200-4R
transmissions. This service procedure on all THM 200-4R transmissions must be followed to assure proper end clearance on the oil pump rotor and slide.
SERVICE PROCEDURE
NOTICE:
DO NOT attempt to service the oil pump rotor if either the pump body pocket or pump body cover surfaces are scored. Servicing of the oil
pump rotor and slide should be performed ONLY if the selective pump rotor or slide show wear.
FIGURE 1
1.. Disassembly of the Oil Pump
Disassemble the oil pump body assembly following procedures outlined in the service manual. Refer to Figure 1.
