A/T - Revised Accumulator Assembly Calibration
Number: 93-15-7ASection: 7A
Date: CT. 1992
Corporate Bulletin No.: 277140
ASE No: A2
Subject:
ACCUMULATOR ASSEMBLY NEW CALIBRATION
Model and Year:
1993 CAPRICE, CAMARO AND CORVETTE WITH 2.5L ENGINE 1993 S/T TRUCKS WITH 2.5L ENGINE
SERVICE UPDATE
TRANSMISSION APPLICATIONS:
1993 HYDRA-MATIC 4L60 (MD8)
TRANSMISSION MODELS:
ALL
SUBJECT:
1993 SECTION 7 HYDRA-MATIC 4L60 TRANSMISSION UNIT REPAIR MANUAL UPDATE - ACCUMULATOR ASSEMBLY
VEHICLE APPLICATIONS:
B, F, Y - CARS S, T - TRUCKS WITH 2.5L
BULLETIN COVERS:
New Product Information for 1993 HYDRA-MATIC 4L60 transmissions. This information has been updated since publication of the 1993 Service Manual and should be noted accordingly. Be certain to familiarize yourself with these updates to properly repair the 1993 HYDRA-MATIC 4L60 transmission.
DATE OF PRODUCTION CHANGE: (Figure 10)
Beginning with Start of Production 1993, HYDRA-MATIC 4L60 transmissions were built with a new calibration that eliminates the 3-4 accumulator spring (111. 54) and inverts the 1-2 accumulator spring (III. 59) with the 1-2 accumulator piston (III. 61).
SERVICE MANUAL REFERENCE:
Update your 1993 Service Manual Section 7A-15B Transmission Unit Repair with the four (4) pages.
Page 7A-15B-6
Page 7A-15B-48
Page 7A-15B-55
Page 7A-15B-62