Celebrity V6-173 2.8L (1989)
Clutch: All Technical Service Bulletins
A/T - 3RD Clutch Plate Assembly Identification
Number: 91-140-7A
Section: 7A
Date: December 1990
Corporate Bulletin No.: 077153
Subject:
3RD CLUTCH (FIBER) PLATE ASSEMBLY IDENTIFIERS
Model and Year:
1986-90 CELEBRITY AND 1990-91 LUMINA WITH 4T60 AUTOMATIC TRANSMISSION 1991 LUMINA (Z34 ONLY)
WITH 4T60-E AUTOMATIC TRANSMISSION
TO: ALL CHEVROLET DEALERS
BULLETIN COVERS:
Identifiers for the 3rd clutch (fiber) plate assemblies for all 1986 through 1991 HYDRAMATIC 4T60, and 1991 HYDRA-MATIC 4T60-E transaxles.
The 3rd clutch plate assemblies discussed in Dealer Service Bulletin NO. 86-191 and Dealer Service Bulletin No. 90-21-7A have many different
identifier markings. To avoid confusion, it is recommended to order all overhaul and 3rd clutch plate assembly packages by the model and year of the
transaxle.