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Clutch - Setting up a Hydraulic Clutch Release Bearing from Speedway Motors

SETTING UP A HYDRAULIC CLUTCH RELEASE BEARING
Article Courtesy of Speedway Motors

Clutch 1 

1 - This special tool from Speedway Motors makes it easy to set up a hydraulic clutch release bearing on a GM-based transmission.

Clutch 2

 

2 - To install the hydraulic release bearing, you first need to replace the transmission bearing retainer bolt in the 2 o’clock position with the supplied stud.

Clutch 3

3 - The release bearing then simply slides onto the bearing retainer shaft. You need to make sure the newly installed stud is between the two fittings on the release bearing, which prevents the bearing from rotating. If necessary, one or more of the supplied shims can be used to create correct clearance between the bearing and clutch fingers. The shims are shown here for illustration purposes only and may not be necessary on some installations.

Clutch 4

4 - With the clutch, pressure plate and bellhousing installed on the engine, the flat side of the Speedway tool is placed flat against the bellhousing, and the rod is pushed in until it just touches the working surface of the pressure plate fingers.

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5 - Next, the forked side of the tool is placed against the front of the transmission and the rod pushed in until it just touches the working surface of the release bearing.

6 - By looking at the indicator O-ring you can determine the amount of clearance you have. Each slash mark on the tool equals .100-inch, and clearance should be read from the edge of the O-ring, not the center. Follow the release bearing manufacturer’s recommendations for clearance. If you have too much clearance, you can use the provided shims to decrease it. If you have too little clearance, you will need to move the bearing closer to the transmission, which may require machining the transmission’s front bearing retainer in some instances.

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7 - This photo illustrates the installed release bearing inside the bellhousing. Note how the bleeder fitting is against the stud, which allows the braided line to the inlet fitting to be routed through the clutch fork opening in the bellhousing.

Clutch 8

8 - You will need to use a master cylinder to actuate the hydraulic release bearing. Speedway offers this model from Wilwood, which is simple to adapt to almost any clutch pedal.

Speedway Motors offers thousands of street rod parts and tools that are helpful for everyone from casual hobbyists to professional builders. Be sure to check out Speedway’s web site for details.

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