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How to Replace a Clutch Slave Cylinder on Vehicles

by Contributing Writer; Updated June 12, 2017

The clutch slave cylinder on your Vehicles is located underneath the Vehicles. An important component of the Vehicles hydraulic clutch system, the slave cylinder is necessary Vehicles safely operating your Vehicles. It is connected to the outside of the transmission and should be replaced immediately if begins to malfunction. Thankfully, replacing your Vehicles clutch slave cylinder is a fairly simple procedure that should not take you more than half an hour to perform.

Under The Hood:

 How to Replace a Clutch Slave Cylinder on a Chevy S10

Disconnect the negative cable from the battery with a socket wrench.

Lift up the S10 with a car jack. Use a socket wrench to remove the two bolts securing the hydraulic line to the slave cylinder and remove the hydraulic line. Repeat this process with the hydraulic line connected to the master cylinder.

Use a socket wrench to uninstall the two bolts securing the slave cylinder to the S10. Pull the slave cylinder off the transmission and install a replacement slave cylinder.

Reattach the two bolts and reconnect both hydraulic lines. Lower the S10 and reconnect the negative cable to the battery.

Items you will need

  • Socket wrench

  • Car jack

 How to Replace the Clutch Slave Cylinder in a Hyundai Excel

Jack up the Excel and place jack stands under the frame. Lower the car onto the stands and make sure it is stable. Find the slave cylinder by following the steel line from the clutch master cylinder to the slave cylinder. The clutch master cylinder is bolted to the firewall next to the brake master cylinder. There is only one steel line leaving the clutch master cylinder.

Loosen the flare nut that carries the hydraulic fluid to the slave cylinder. Be sure to use a line wrench designed to apply even torque to the nut to prevent the nut from slipping. Catch the fluid in a drip pan. Completely remove the line -- being careful not to bend or kink it -- which will render it useless. Use a 3/8-inch socket and remove the two mounting bolts. Set the old stave cylinder aside.

Mount the new slave cylinder by hand-tightening the two mounting bolts. Leave the cylinder loose to allow movement. This will aid in starting the supply line into the threaded port. Make sure the line is straight because flare nuts can easily be cross-threaded. Once it is fully started and hand-tight, fully tighten the mounting bolts to secure the slave cylinder to the transmission. Finish tightening the flare nut with a flare nut wrench.

Fill the clutch master cylinder with brake fluid and have an assistant operate the clutch several times to pump fluid to the slave cylinder. Ask the assistant to keep steady pressure on the clutch pedal and loosen the bleeder valve. This will allow air and hydraulic fluid to escape. Ask the assistant to operate the clutch again to test for clutch pedal integrity. Have the assistant hold pressure once again while the bleeder valve is opened. Make sure there is no air in the line or in the slave cylinder. Continue this process until the clutch pedal is firm and no air is present.

Lower the car to the ground by jacking it up and removing the jack stands. Check for fluid leaks and operate the clutch several times. Start the vehicle and test drive it to make sure the clutch is operating properly.

Items you will need

  • Jack

  • Jack stands

  • Line wrench set

  • Drip pan

  • 3/8-inch socket set

 How to Replace a Clutch Slave Cylinder in a 98 F-150

Open the hood of the F-150 and use a socket to disconnect the negative terminal from the battery.

Put a drain pan under the F-150's drain plug on the radiator and use a socket wrench to loosen the radiator drain plug. Wait five minutes for the liquids to drain into the drain pan. Tighten the plug when done.

Open the driver's door and disconnect the push rod from the clutch pedal by pulling it off. Disconnect the electrical connector of the pedals.

Use a jack to lift the F-150 to a comfortable height. Three feet should be sufficient for most people.

Use a socket wrench to remove the two bolts from the slave cylinder's hydraulic line and pull off the hydraulic line.

Remove the slave cylinder from the F-150 by rotating it clockwise and pulling it out of the F-150's firewall.

Install the replacement slave cylinder by pushing it into the firewall and rotating the cylinder counterclockwise. Reattach the hydraulic line and lower the F-150. Reattach the electrical connector and push rod.

Reconnect the F-150's negative terminal to the battery and remove the cap from the radiator. Pour the liquids from the drain pan back into the radiator.

Reattach the radiator cap and close the hood.

Items you will need

  • Socket wrench

  • Drain pan

  • Jack

 How to Replace the Clutch Slave Cylinder on a Chevy Silverado

Pull the hood release lever and open the hood. Remove the negative cable from the battery using a socket wrench.

Place the jack underneath the Silverado and raise it three feet.

Detach the two bolts securing the hydraulic line to the clutch slave cylinder and the two bolts securing the hydraulic line to clutch master cylinder.

Cover up the hydraulic lines with paper towels to prevent any dirt or debris from entering the hydraulic system.

Detach the two 10 mm bolts holding the clutch slave cylinder to the Silverado. Lift off the cylinder and install a replacement.

Reattach the two 10 mm bolts and remove the paper towels from the hydraulic lines. Reattach both hydraulic lines and lower the Silverado. Reattach the negative cable to the battery and close the hood.

Items you will need

  • Socket wrench

  • Jack

  • Paper towels

About the Author

This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. To submit your questions or ideas, or to simply learn more about It Still Runs, contact us.

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