A/T - New Spring Dowel Case Cover Pins
89buick05Bulletin 89-7125-5
Date Mar., '89
Ref. No. 89-069-7125
Corp. Ref. No. 877158
SUBJECT: NEW SPRING DOWEL CASE COVER PINS
MODELS AFFECTED: 1989 SKYLARKS, CENTURYS, AND SKYHAWKS EQUIPPED WITH A 125C/HYDRA-MATIC 3T40
Figure 1:
BULLETIN COVERS (Refer to Figure 1)
New Spring Dowel Case Cover Pins (101) for the Case Cover (401) to Case (15) that are hollow in design to prevent coming out of the case while the Case Cover is removed during service and/or reassembly of any THM 125/125C/HYDRA-MATIC 3T40.
DATE OF PRODUCTION CHANGE
The new Spring Dowel Case Cover Pins went into production November 14, 1988 (Julian Date 319).
Figure 2 - Removal Of Previous Dowel Pin:
Figure 3 - Installation Of New Dowel Pin:
SERVICE ACTION (Refer to Figures 2-3)
The new Pins can be used to service all past model THM 125/125C/HYDRA-MATIC 3T40 transaxles. Do not mix the new style Spring Dowel Case Cover Pins with previous style Dowel Pins.
If removal of the old Pin is necessary use the following procedure:
1. Grasp the sides of Dowel Pin, twist and pull out of Case. (Figure 2)
2. Install the new pin by squeezing the Pin together and seating in the Case. (Figure 3)
SERVICE PARTS INFORMATION
When ordering new Spring Dowel Case Cover Pins refer to the following part number:
Part No. Package Description
8665946 2 Pins, Spring Dowel
Parts are currently available from GMSPO
SERVICE MANUAL REFERENCE
Whenever service to any THM 125/125C/HYDRA-MATIC 3T40 is necessary, refer to the Unit Repair Section of your Service Manual.