LeSabre V6-231 3.8L VIN 3 SFI (1988)
Clutch: All Technical Service Bulletins
A/T - New 2nd Gear Clutch Piston Seal
Bulletin 88-7440-1
Date Dec. '87 Ref. No. 88-057-7440
Corp. Ref. No. 877109
SUBJECT:
NEW 2ND CLUTCH PISTON SEAL
MODELS AFFECTED: ALL 1984-88 CENTURYS, LESABRES, ELECTRAS, RIVIERAS AND REGALS EQUIPPED WITH THM 440-T4 (ME9)
TRANSAXLES
Figure 2 - Reverse Band And 2nd Clutch Assembly
BULLETIN COVERS
Service part information on a new second clutch piston inner seal (614B) for all 1984 through 1988 vehicles equipped with a THM 440-T4 transaxle.
This new seal uses a different material (Viton TM) than the previous seal and can be identified by its part number (8668074) molded into the lip of the
seal (Figure 2).