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  • Supra Auto-to-Manual Conversion - Part Seven - Hydraulic Release Bearing Air Gap
  • Post author
    Joel Grannas

Supra Auto-to-Manual Conversion - Part Seven - Hydraulic Release Bearing Air Gap

In part seven, I am covering one of the most important steps of the install, which is setting up your clutch hydraulic release bearing properly. This requires measuring, and double checking to make sure you got it all right. Improper install can lead to clutch failure or release bearing failures.

Please take your time during these steps and make sure it is right. Tips from this video:

1. Use the measurement technique i show you in the video, measuring first from bellhousing into the clutch fingers, then install the bearing and measure from the bearing face back to the transmission flange.

2. Subtract 3-4mm from the measurement from bell to fingers, and set your bearing distance from the trans flange so you have air gap between the bearing face and the clutch fingers.

3. After you install, bleed the clutch and look through the small window in the front plate of the trans, you should be able to see some gap between the bearing itself and the bearing housing. This is now your air gap.

4. When the install is complete, and you have bled the clutch, there will be NO GAP between the bearing and the clutch fingers. The bearing will be up against the fingers of the clutch, but it will not be putting pressure against the fingers. The bearing will ride on the clutch fingers

I dedicated a video to this process due to the amount of questions, and improper installs and failures with the hydraulic release bearing. Below are some links to some of the products covered in this video

Some of the parts in this video:




Available for many import chassis such as the MKIV Supra, MK3 Supra, MK2 Supra, IS300/Altezza/IS200, SC300/Soarer, GS300/Aristo, FD3S (Rotary, LS, and JZ), 240SX (s13 and s14), S2000 (F20/F22 and 2JZ), Nissan 300zx Z32, and Subaru BRZ / Scion FRS / Toyota FT86.

  • Post author
    Joel Grannas