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Welcome to the THM Transmission Service Repair Manuals section! Here you will find comprehensive manuals and instructions for maintaining and repairing the transmissions of your THM vehicle. Our team of experts is dedicated to providing you with top-quality materials and updates for your vehicle’s transmission system. Stay updated with the latest manuals and instructions by checking back often. Thank you for choosing THM Transmission Service Repair Manuals!

THM 400 – ATSG (Automatic Transmission Service Group)

This Repair Manual contains general description and overhaul procedures necessary to repair, overhaul or service the Turbo Hydra-Matic 400 transmission, and is found in both passenger cars and trucks. The Turbo Hydra-Matic 400 transmission…