Help Bleeding Slave Cylinder
Help Bleeding Slave Cylinder
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Joined: Jul 2011
Posts: 11
Clutch bleeding instructions
`Here are the bleed instructions from my Hayes manual.
Caution Do not allow the brake fluid to contact any painted surface of the vehicle, as damage to the finish will result
1 Bleeding will be required whenever the hydraulic system has been dismantled and reassembled and air has entered the system.
2 First fill the fluid reservoir with clean brake fluid which has been stored in an airtight container. Never use fluid which has drained from the system or has bled out previously, as it may contain grit and moisture
3 Attach a rubber or plastic bleed tube to the bleeder screw on the release cylinder and immerse the open end of the tube in a glass jar containing an inch or two of clean brake fluid
4 Open the bleeder screw about half a turn and have an assistant depress the clutch pedal completely. Tighten the screw and then have the clutch pedal slowly released completely. Repeat this sequence of operations until air bubbles are no longer ejected from the open end of the tube beneath the fluid in the jar.
5 After two or three strokes of the pedal, make sure the fluid level in the reservoir has not fallen too low. Keep it full of fresh fluid, otherwise air will be drawn into the system.
6 Tighten the bleeder screw on a pedal down stroke (do not overtighten it), remove the bleed tube and jar, top-up the reservoir and install the cap
7 If an assistant is not available, alternative 'one-man' bleeding operations can be carried out using a bleed tube equipped with a one-way valve or a pressure bleed kit, both of which should be used in accordance with the manufacturer's instructions.
As best I can tell, you only bleed the slave cylinder. Air in the master should just come up into the reservoir and escape on its own.
Caution Do not allow the brake fluid to contact any painted surface of the vehicle, as damage to the finish will result
1 Bleeding will be required whenever the hydraulic system has been dismantled and reassembled and air has entered the system.
2 First fill the fluid reservoir with clean brake fluid which has been stored in an airtight container. Never use fluid which has drained from the system or has bled out previously, as it may contain grit and moisture
3 Attach a rubber or plastic bleed tube to the bleeder screw on the release cylinder and immerse the open end of the tube in a glass jar containing an inch or two of clean brake fluid
4 Open the bleeder screw about half a turn and have an assistant depress the clutch pedal completely. Tighten the screw and then have the clutch pedal slowly released completely. Repeat this sequence of operations until air bubbles are no longer ejected from the open end of the tube beneath the fluid in the jar.
5 After two or three strokes of the pedal, make sure the fluid level in the reservoir has not fallen too low. Keep it full of fresh fluid, otherwise air will be drawn into the system.
6 Tighten the bleeder screw on a pedal down stroke (do not overtighten it), remove the bleed tube and jar, top-up the reservoir and install the cap
7 If an assistant is not available, alternative 'one-man' bleeding operations can be carried out using a bleed tube equipped with a one-way valve or a pressure bleed kit, both of which should be used in accordance with the manufacturer's instructions.
As best I can tell, you only bleed the slave cylinder. Air in the master should just come up into the reservoir and escape on its own.
Last edited by StanZ; Jul 19, 2011 at 11:31 AM.
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