How to Troubleshoot a Turbo-Hydramatic 400 Transmission?

Answer The Turbo-Hydramatic 400 (TH400) automatic transmission can be found behind large, powerful engines on Chevrolet and GM cars and trucks from the factory, as well as Jeep, Cadillac, Oldsmobile and m... Read More »

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How Do I Troubleshoot a 1968 Chevy Hydramatic 400 Transmission?

The three-speed Hydramatic 400 was one of Chevrolet's most durable transmissions of the 1960s and 1970s. It was so durable that the transmission was often used for racing applications. The transmis... Read More »

Vintage Hydramatic Transmission Tools?

Almost all vintage hydramatic transmissions use standard measurements. This includes, but is not limited to, sockets, screwdrivers, scratch awls, hammers, socket drivers, snap ring pliers and any o... Read More »

How to Identify a Turbo 350 or Turbo 400 Transmission?

The General Motors TH 350, introduced in 1969, was developed by Chevrolet and Buick. It was used in GM cars and trucks through 1984 with small-block engines. The TH400 transmission was first used i... Read More »

How to Tell a Turbo 350 Transmission?

The General Motors Turbo-Hydramatic 350 transmission was the workhorse of the GM V-8 fleet from 1969 until the late 1980s, when GM replaced it with the overdrive 700R4. One of the most common engin... Read More »