Fleetwood FWD V8-300 4.9L (1993)
Technical Service Bulletin # 9342
Date: 921201
Transaxle - Leak Between Helix Converter Seal and Bore
Bulletin No.: T-93-42
File in Group: 7
Number: 249
Corp.Ref.No.: 277148
Date: Dec. 1992
SUBJECT:
TRANSAXLE FLUID LEAK AT HELIX CONVERTER SEAL
MODELS AFFECTED:
1991-1993 DE VILLES, FLEETWOODS, ELDORADOS, AND SEVILLES WITH HYDRA-MATIC 4T60-E
Some 1991-1993 DeVilles, Fleetwoods, Eldorados, and Sevilles equipped with the Hydra-Matic 4T60-E (RPO M13) transaxle built on or before Julian
Date 302 (October 28, 1992) (reler to Figure 1) may exhibit a fluid leak between the helix converter seal and its bore. Under hot weather and/or extreme
operating conditions the helix converter seal may walk out partially or completely.
This condition may be caused by the taper and surface finish of the helix converter seal bore.
