Throw Out Bearing - Secondary Cylinder Replacement

Easy to follow step by step guide on how to replace an automotive transmission throw out bearing and secondary cylinder, though appearances may vary, the process is the same on most vehicles.

Difficulty Level - 7

Tools and Supplies Needed

  • Complete tool set
  • Shop towels
  • Protective eyewear and gloves
  • Replacement throw out bearing
Begin with the vehicle lifted enough to access the transmission while using jack stands for safety, wear protective eyewear and gloves.

Step 1 - To replace a manual transmission throw out bearing, the transmission must be removed.

Please visit our manual transmission removal guide for further instructions.

Transmission Removed

Step 2 - Once the transmission has been removed, identify and inspect the throw out bearing, most bearings are accompanied by a secondary cylinder which actuates the bearing.

Throw Out Bearing and Secondary Cylinder

Step 3 - Locate the bearing/secondary cylinder mounting bolts and remove.

Remove Throw Out Bearing Mounting Bolts

Step 4 - After removing the bolts, grasp the bearing firmly and pull outward to remove, (Note: Remove any plastic clips needed).

Remove Throw Out Bearing

Step 5 - Match the new throw out bearing/secondary cylinder to the old unit, the should match identically.

New Throw Out Bearing

Step 6 - Gently slide the new bearing cylinder over the transmission input shaft/bearing retainer, on older models, (clutch fork and throw out bearing), use a small amount of grease to the lube the bearing retainer/slide before installation.

Installing New Throw out Bearing - Secondary Cylinder

Step 7 - Reinstall the bearing/cylinder mounting bolts by hand to avoid cross threading.

Reinstalling Throw Out Bearing Secondary Cylinder Mounting Bolts

Step 8 - Using a socket and ratchet evenly tighten the mounting bolts, reinstall any plastic clips that were removed in the process, the new bearing and cylinder is ready for use.

Tighten Throw Out Bearing Secondary Cylinder Mounting Bolts

Step 9 - After the transmission has been reinstalled, locate the clutch fluid reservoir and refill. (Note: Some vehicles use the brake master to supply fluid to the primary clutch cylinder.)

Refill Clutch Fluid Reservoir

Step 10 - Most hydraulic clutch systems are self bleeding, pump the clutch pedal until normal pedal operation returns.

Pump Clutch Pedal

Helpful Information

While the engine is running, with the transmission in natural, if when the clutch pedal is depressed an abnormal noise is heard, the throw out bearing has failed.


Written by
Co-Founder and CEO of
35 years in the automotive repair field, ASE Master Technician, Advanced Electrical and Mechanical Theory.


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