Engine Kits

ATSG 64400 GM THM3T40(125C) Transaxle Repair Manual
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ATSG 64400 GM THM3T40(125C) Transaxle Repair Manual



Part #: 64400
List Price: $39.98
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GM THM 3T40 (125C) Transaxle found in many GM vehicles and Opels. Covers transaxle assembly dis-assembly diagnosis and troubleshooting

Note: There have been many engineering changes in this transmission since its introduction. ATSG also has available an "Update Handbook" which includes the many changes and is required along with this manual for a proper overhaul or repair.