How to Bleed an Isuzu Hombre Slave Cylinder

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Isuzu Hombres with a manual transmission utilize a hydraulic circuit to open and close the clutch. A rod attached to the clutch pedal connects to the clutch master cylinder. When you press down on the clutch pedal, it forces hydraulic fluid down a hydraulic line to the clutch slave cylinder. This slave cylinder, in turn, forces the clutch open. When you take your foot off the pedal, the pressure is released, and the clutch closes. Occasionally you may need to bleed the slave cylinder on your Isuzu Hombre.

Things You'll Need

  • DOT 3 brake fluid
  • Automotive jack
  • Jack stands
  • Clear plastic tube
  • Plastic or glass jar
  • Wrench set
  • Assistant
  • Locate the clutch master cylinder. It is in the engine bay, bolted to the firewall, near the brake master cylinder.

  • Fill the clutch master cylinder reservoir with DOT 3 brake fluid. Do not allow the reservoir to run dry at any point during this operation.

  • Raise the Isuzu, and support it with jack stands placed underneath the frame.

  • Locate the bleeder screw on the clutch slave cylinder, near the clutch underneath the vehicle. Attach a length of clear plastic tubing to the bleeder screw. Submerge the other end of the clear plastic tube in a jar half-filled with DOT 3 brake fluid.

  • Open the bleeder screw with a wrench. Have an assistant working inside the vehicle pump the clutch pedal up and down until clean brake fluid comes out of the bleeder screw.

  • Check and refill the clutch master cylinder reservoir if needed.

  • Have your assistant hold the clutch pedal against the floor; then open the bleeder screw and allow a little fluid to seep out. You might notice some air bubbles trapped in the fluid that seeps out. Close the bleeder screw, and have the assistant pump the clutch pedal a few times.

  • Repeat Step 7 until the fluid that seeps out contains no more air bubbles.

  • Lower the vehicle.

Tips & Warnings

  • Never allow the clutch master cylinder reservoir to run dry at any point during this operation. Doing so will introduce air into the hydraulic circuit. You would then have to start the whole process over from the beginning.
  • Brake fluid will strip paint off metal surfaces. Do not allow brake fluid to come into contact with any of the finished surfaces on your vehicle.

References

  • "Haynes Chevrolet S10 & Blazer, GMC Sonoma & Jimmy, Oldsmobile Bravada, Isuzu Hombre Automotive Repair Manual"; Robert Maddox and John H. Haynes; 1999
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