chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

All Other Service Bulletins for Case:|89677A > < A/T - New Governor Screen Added to Case
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Figure 1 - THM 440-T4/THM F-7 Transaxle Identification Information

DATE OF PRODUCTION CHANGE: (Figure 1)

The new Governor Screen has been used on some models for production starting November 30, 1988 (Julian Date 335) and will be used on all models
December 5, 1988 (Julian Date 340).
SERVICE NOTES:

This is the same Governor Screen as used in the THM 125C/HYDRA-MATIC 3T40.
SERVICE PARTS INFORMATION:

Part No.

Description

Model Year - Model Usage

8660770

Sleeve and Screen

1989-1/2

All

Assembly, Governor Shaft

8631328

Sleeve, Governor Shaft

1984-89-1/2

All

(no screen)

Parts are currently available from GMSPO.

All Other Service Bulletins for Case:|89677A > < A/T - New Governor Screen Added to Case