LeSabre V6-231 3.8L VIN 3 SFI (1988)
FIGURE 1 - THM 440-T4 TRANSAXLE IDENTIFICATION INFORMATION
DATE OF PRODUCTION CHANGE (Figure 1)
January 5, 1988 (Julian Date 005) all THM 440-T4 transaxles were built using the new bottom pan and new gasket.
SERVICE ACTION
When replacing the bottom pan on all 1984 through 1988 THM 440-T4 transaxles use the service package listed in the "Service Parts Information"
section below. If the previous pan is used with the new gasket, or the new pan is used with a cork gasket, fluid leaks may develop.
SERVICE PARTS INFORMATION
Service
Part No
Description (Contents)
8662942
Transaxle Bottom Pan Package
(1)
Transaxle bottom pan gasket (latex coated cellulose)
(1)
Transaxle bottom pan (raised rib)
(1)
Chip collector magnet
*8668028
Transaxle Bottom Pan Gasket (latex coated cellulose)
NOTICE:
Overhaul Seals and Gaskets Package (#8646975) and Overhaul Repair Complete Package (#8646976) have been updated to include the new
latex coated cellulose gasket and the previous latex coated cork gasket. These overhaul packages are used on 1987 and 1988 model THM
440-T4 transaxles.
SERVICE MANUAL REFERENCE
Refer to the THM 440-T4 (ME9) Automatic Transaxle Unit Repair Table Of Contents for bottom pan and gasket service information.