Tenaci Adjustable Hydraulic Clutch Release Bearing for Toyota and GM

This bearing fits Toyota R154 gearboxes and some GM gearboxes such as Midvalley 101.
See the bolt pattern in the images.

If you don’t have ”tube” on your gearbox this bearing might fit your gearbox. If the 4 bolts has CC 102mm t00009281

This is an adjustable bearing that is locked either with with a key that can be included. (t02811112)
Or it can be locked with a M8 bolt. The M8 bolt fits directly on some GM gearboxes but has to be drilled for R154.

Choose bearing length (+10 mm or standard, see product images)

Bleeder threads: 3/8-24

There are 3 different bearing sizes to choose from. Choose which size clutch you have below
1. 184/200 mm or + 10 mm extra long
This option fits all 184/200 mm clutches including Tenaci as well as other manufacturers.

2. 240 mm (only Tenaci clutches)
This bearing fits only the 240 mm Tenaci clutches.

3. 215-240 mm (not Tenaci clutches)
This bearing can be used for clutches from other manufacturers with sizes from 215-240 mm.

For 184, 200 or 240 mm clutches

Make sure that you use the correct clutch cylinder so the release bearing doesn’t get overfilled. This could lead to oil leaking on the rubber rings which would wear out the bearing. You could use 0,65″ but 0,75″ is recommended with pedal-stop. Or OEM-cylinder with pedalstop.

Also make sure that there is at least a 3 mm gap between the pressure plate and the bearing. When the discs wears out the gap is neccesery so that the clutch doesnt burn up.

Film about our bearings:

https://www.instagram.com/p/B-wyzNjFN4h/

https://www.youtube.com/watch?v=fwCHIPZksG8

A positive clutch pedal stop must be used to prevent over-stroking the

hydraulic release bearing piston and the clutch. For access reasons, in many cars

it is not easy to determine how far the master cylinder is being stroked.

The method listed below provides a very effective method for adjusting the

pedal stop:

1. Lift the drive wheels off the ground and support the car on jack stands.

2. With the engine off, place the gearbox in first gear and have someone

attempt to rotate the drive wheels.

3. Depress the clutch pedal slowly until the clutch disengages and the drive

wheels can be rotated.

4. Adjust pedal stop to allow another 1/4″ of pedal travel. This should provide

clean release of the clutch. Do not stroke the pedal any further than this

point throughout this procedure, otherwise you will over-stroke the clutch.

It is also recommended to install a bleeder outside of the bellhousing for bleeding out airbubbles.