A/T - Revised Pressure Plug Tap From 1/4 to 1/8 inch
Group Ref.: 7 - TransmissionBulletin No.: 477113
Date: June, 1994
SERVICE MANUAL UPDATE
SUBJECT:
SECTION 7A - 4T80-E AUTOMATIC TRANSMISSION UNIT REPAIR
MODELS:
1994 CADILLAC ELDORADO, SEVILLE AND CONCOURS
TRANSAXLE APPLICATIONS:
1994 HYDRA-MATIC 4T80-E (RPO MH1)
Starting March 18, 1994 (Julian Date 077) all HYDRA-MATIC 4T80-E transaxles were built with a new pressure plug tap, which has been changed from a 1/4 inch to 1/8 inch.
A new Kent-Moore Tool fitting adapter is released (J 21867-100). The complete line pressure fitting kit package Is J 21867-94.
Update your 1994 Service Manual with the illustration.