Step-by-Step Guide to Rebuilding Your AE86 T50 Transmission

Rebuilding your AE86 Toyota Corolla T50 transmission can seem like a daunting task, but with the right tools and knowledge, it can be a relatively straightforward process. A T50 transmission rebuild can improve the overall performance of your vehicle, increase its lifespan, and potentially save you money in the long run by avoiding costly replacement. Here is a step-by-step guide to rebuilding your T50 transmission.

Step 1: Gather Tools and Parts

Before you begin the rebuilding process, it is important to gather all of the necessary tools and parts. You will need a transmission jack or stand, a set of wrenches and sockets, a torque wrench, a transmission rebuild kit, and any additional parts or upgrades you wish to install.

Step 2: Remove the Transmission

The first step in rebuilding your T50 transmission is to remove it from your vehicle. Before you begin, consult your vehicle’s owner’s manual for specific instructions on how to safely remove the transmission.

Step 3: Clean the Transmission

Once you have removed the transmission, clean it thoroughly to remove any dirt, grime, or debris. This will make it easier to inspect and rebuild the transmission.

Step 4: Disassemble the Transmission

Next, begin disassembling the transmission. Start by removing the front and rear seals, the shifter fork, and the shift rails. Then, remove the reverse idler shaft, the main shaft, and the countergear. Finally, remove the input and output shafts, the main bearing retainer, and the synchronizers.

Step 5: Inspect the Transmission

With the transmission disassembled, inspect each component for any wear or damage. Replace any damaged or worn parts with the parts from your transmission rebuild kit.

Step 6: Reassemble the Transmission

Begin reassembling the transmission by starting with the main bearing retainer and the input and output shafts. Then, install the synchronizers, countergear, main shaft, and reverse idler shaft. Finally, install the shift rails, shifter fork, and the front and rear seals.

Step 7: Install Any Upgrades

If you have any desired upgrades, such as a performance clutch or a stronger synchronizer, now is the time to install them. Follow the instructions provided with the upgrades to ensure proper installation.

Step 8: Reinstall the Transmission

With the transmission rebuilt, it is time to reinstall it into your vehicle. Consult your vehicle’s owner’s manual for specific instructions on how to safely reinstall the transmission.

Step 9: Test Drive

After the transmission has been reinstalled, take the vehicle for a test drive to ensure proper operation. If everything is working correctly, congratulations, you have successfully rebuilt your T50 transmission!

Rebuilding your T50 transmission can be a rewarding experience that will improve the overall performance of your vehicle. With the right tools and knowledge, you can successfully rebuild your T50 transmission in a relatively short amount of time. However, if you are unsure about your ability to complete the rebuild, it is recommended to seek the assistance of a professional mechanic.