3T40 (125C) Update Handbook_Download

$35.00

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3T40 (125C) HB_DL

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Can be downloaded up to 2 times within 15 days of purchase.

Product Overview

This is the DOWNLOAD link for the GM THM 3T40 (125C) Transaxle Update Handbook. It covers engineering changes that have occurred from 1982 to 1989 parts affected by the change interchangeability part numbers, sprocket ratios and converter stall speeds by model. This is a must for all THM 125C rebuilders!