buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

A/T - 4TH Clutch Assembly Part Numbers Revised|Page 3752 > < A/T - 4TH Clutch Assembly Part Numbers Revised|Page 3750
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Clutch: All Technical Service Bulletins
A/T - Service on Distressed 4TH Clutch

Bulletin  90-7440-6

Date  Feb. '90

Ref.No.  90-078-7440

Corp.Ref.No.  077104

SUBJECT:

SERVICE INFORMATION AND PACKAGES ON DISTRESSED 4TH CLUTCH

MODELS AFFECTED: All 1989 - 1990 WITH HYDRA-MATIC 4T60 (THM440T4)

This bulletin cancels and replaces Corporate Bulletin 977163.

Figure 1 - New Service Parts For Distressed 4th Clutch

Figure 2 - Detent Lever

A/T - 4TH Clutch Assembly Part Numbers Revised|Page 3752 > < A/T - 4TH Clutch Assembly Part Numbers Revised|Page 3750