A/T - New 4L80-E or 4L80-EHD Identification Tag

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Number: 91-182-7A


Section: 7A


Date: February 1991


Corporate Bulletin No.: 177105


Subject: NEW IDENTIFICATION NAMEPLATE TAG


Model and Year: 1991 C/K, R/V, P TRUCKS AND G VAN WITH 4L80-E OR 4L80-EHD AUTOMATIC TRANSMISSION


SERVICE INFORMATION:


The HYDRA-MATIC 4L80-E/4L80-EHD Transmissions have changed the identification tag, to have one identifier per transmission that improves traceability. This identifier is a Serial Number which is located in the Bar Code and is printed above the bars for reference.

Figure 1 - HYDRA-MATIC 4L80-E/4L80-EHD Transmission Identification Information:

DATE OF PRODUCTION CHANGE: (Figure 1)


Starting January 3, 1991 (Julian Date 003) all HYDRA-MATIC 4L80-E/4L80-EHD models were built with this new identification nameplate tag.