Century Estate Wagon V6-181 3.0L (1984)
assembly with the appropriate parts listed below in "Service Parts Information".
DATE OF PRODUCTION CHANGE:
Starting February 07, 1990 (Julian Date 038) all Hydra-Matic 4T60 (THM 440T4) transaxles will be built with the new reverse band assembly.
SERVICE PARTS INFORMATION:
Model
Part
Year
Number
Description
1984-90
8675152
Reverse Band Assembly
1987-90
8661912
2nd Clutch Housing Drum and Bushing Assembly
(six plate)
1984-86
8668958
2nd Clutch Housing Drum and Bushing Assembly
(five plate)
Parts are expected to be available for part number 8675152 on 06-15-90. Until then, normal part orders will not be accepted by GMSPO. Only verifiable
emergency VIP orders will be accepted. SPO will make every effort to obtain parts. All parts will be placed on 400 control to waive VIP surcharges.
However, the part will be shipped premium transportation at dealer's expense. All other order types will be canceled as incorrectly ordered while the 400
control is in place.
Parts are currently available from GMSPO for part numbers 8661912 and 8668958.
SERVICE MANUAL REFERENCE:
Refer to the Hydra-Matic 4T60 (THM 440T4) Automatic Transaxle Unit Repair and On-Vehicle sections in the appropriate model year service manual
for repair procedures.
