Riviera V6-231 3.8L VIN L SFI (1991)
Seals and Gaskets: By Symptom
Technical Service Bulletin # 9374T603A
Date: 930701
Transaxle - Fluid Leak at Helix Converter Seal
Bulletin: 93-74T60-3A
Date: July '93
Ref.No.: 93-172-74T60
Corp.Ref.No.: 277148R
SUBJECT:
TRANSAXLE FLUID LEAK AT HELIX CONVERTER SEAL (REPLACE TRANSAXLE WITH SRTA UNIT)
MODELS AFFECTED:
1991-93 REGAL, RIVIERA, LESABRE AND PARK AVENUE/ULTRA WITH 4T60E TRANSMISSION
THIS BULLETIN IS BEING REVISED TO CHANGE THE CORRECTION. Please discard Bulletin 93-74T60-3.
CONDITION:
Some vehicles equipped with a 1991-93 HYDRA-MATIC 4T60-E (RPO M13) transaxle built on or before Julian Date 302 (October 28, 1992) may
exhibit a fluid leak between the helix converter seal and its bore. Under some conditions the helix converter seal may walk-out partially or completely.
Hot weather and/or extreme operating conditions are contributing factors to this concern.
CAUSE:
The above condition may be due to the taper of the helix converter seal bore and cannot be repaired at a dealership level.
CORRECTION:
Begin with the "Fluid Leak Diagnosis" ("Automatic Transaxle On-Vehicle Service Section of the 1991-93 Service Manual") which provides a detailed
procedure in locating and repairing vehicle leaks.
If it is determined the leak is from the helix converter seal, remove the transaxle assembly and replace it with a Service Replacement Transmission
Assembly (SRTA).
SERVICE MANUAL INFORMATION:
Refer to the 1991-93 Service Manual, Automatic Transaxle On-Vehicle Service Section 7A for proper On-Vehicle Service to remove and replace a
HYDRA-MATIC 4T60-E transaxle.
LABOR TIME INFORMATION:
Labor time should be charged under Operation Number K7000 for "Transaxle Assembly-Replace" from the appropriate 1991-1993 Labor Time Guide.
Technical Service Bulletin # 9374T603A
Date: 930701
Transaxle - Fluid Leak at Helix Converter Seal
Bulletin: 93-74T60-3A
Date: July '93
Ref.No.: 93-172-74T60
Corp.Ref.No.: 277148R
SUBJECT:
TRANSAXLE FLUID LEAK AT HELIX CONVERTER SEAL (REPLACE TRANSAXLE WITH SRTA UNIT)
MODELS AFFECTED:
1991-93 REGAL, RIVIERA, LESABRE AND PARK AVENUE/ULTRA WITH 4T60E TRANSMISSION
