A/T - Revised Accumulator Spring Chart

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Number: 90-89-7A

Section: 7A

Date: November 1989

Corporate Bulletin No.: 977159


Subject: REVISED ACCUMULATOR SPRING CHART


Model and Year: 1990 B, Y CARS AND C, K, G, L, M, R, S, T, V TRUCKS WITH 4L60/700R4 AUTOMATIC TRANSMISSION


TO: ALL CHEVROLET DEALERS





This bulletin covers revised 1-2 and 3-4 Accumulator Spring Chart. The new chart is applicable to all 1990 THM 700-R4/HYDRA-MATIC 4L60 transmissions. See Figure 1.

Use the following chart to update your 1990 HYDRA-MATIC 4L60 Unit Repair Service Manual Section, page 4L60-50, Figure 110.