How much does it cost to have a TH400 rebuild?
The “complete kits” are $300-$700 depending on the quality and components. Figure most “consumer” shops are going to put about $300-$400 materials, and about $200-$400 labor. “Performance” shops will likely add about $200-$500 on top of that, depending on level of work done.
Is it hard to rebuild a TH400 transmission?
The TH400 is also a very simple unit, and is relatively easy to overhaul. It does not require a lot of special tools, or special procedures. Even so, the TH400 doesn’t need a lot of help or special aftermarket parts to be a reliable and durable transmission.
How long does it take to rebuild a Turbo 400 transmission?
Total time to disassemble, thoroughly clean, install new parts, reassemble was around 7 hours. But, this was my first time, and I was trying to learn something as I went (I asked about how everything works in relation to everything else).
What is a 400 Turbo transmission worth?
selling it as a good unit and with a “it will work” or your money back warrantee, it should be worth $150-200. There are many shops that sell a stock rebuilt TH400 for $600.
How hard is it to rebuild a Turbo 350 transmission?
Rebuilding a TH 350 is not hard, I would say the degree of difficulty is on the same level as rebuilding a later model carburetor, just a few more parts. The Ron Sessions book is a big help if you’ve never done it before.
What is a shift kit TH400?
The B&M® Shift Improver kits™ feature two options to recalibrating your 1965-1987 GM TH400, TH375 and TH475 automatic transmissions. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles.
What should I do about my TH400 transmission?
Replace the filter and fill the transmission with new ATF (the TH400 requires six quarts). Do not put the bolts back on too tightly, as the gasket can become damaged.
How to rebuild a GM Turbo 400 transmission?
This Tech Tip is From the Full Book, HOW TO REBUILD & MODIFY GM TURBO 400 TRANSMISSIONS. For a comprehensive guide on this entire subject you can visit this link: SHARE THIS ARTICLE: Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in.
Where is the dipstick on the TH400 transmission?
The first thing to check if you suspect that the transmission is acting up is the automatic transmission fluid (ATF) level in the transmission itself. The dipstick on the TH400 can be found inside the engine bay, on the passenger side toward the firewall (opposite the radiator).
Where can I find a Turbo Hydramatic 400 transmission?
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 many others. While the unit is indeed one of the stoutest of its kind, trouble can still occur.