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DELAY ORIFICE MECHANISM - Honda S2000 2004 MODEL


The delay orifice mechanism improves clutch operation by delaying the slave cylinder release speed when the clutch pedal is suddenly released. The delay orifice mechanism is built into the slave cylinder.

When the clutch pedal is pressed, the fluid pressure from the master cylinder moves the one-way valve in the direction shown in the illustration. The fluid flows through two passages: the orifice part and the filter part. It then flows out to the slave cylinder to release the pressure plate and clutch disc joint.

When the clutch pedal is released, the fluid pressure from the slave cylinder moves the one-way valve in the direction shown in the illustration. The one-way valve blocks the filter-part passage and delays the clutch release speed by returning the fluid to the master cylinder through only the orifice-part passage.


CLUTCH PEDAL, CLUTCH PEDAL POSITION SWITCH, AND CLUTCH INTERLOCK SWITCH ADJUSTMENT

• Check the clutch pedal position switch.
• Check the clutch interlock switch.
• The clutch is self-adjusting to compensate for wear.
• If there is no clearance between the master cylinder piston and pushrod. The release bearing will be held against the diaphragm spring, which can result in clutch slippage or other clutch problems.

1. Loosen the locknut, and back off the clutch switch until it no longer touches the clutch pedal.
2. Loosen the locknut, and turn the pushrod in or out to get the specified height and stroke at the clutch pedal.

• Clutch Pedal Stroke: 115-125 mm (4.53-4.92 in.)
• Clutch Pedal Height: 189 mm (7.44 in.)

3. Tighten the locknut .
4. With the clutch pedal released, turn in the clutch pedal position switch until it contacts the clutch pedal.
5. Turn in the clutch pedal position switc an additional 3/4 to 1 turn.
6. Tighten the locknut.
7. Loosen the locknut and the clutch interlock switch.
8. Press the clutch pedal to the floor.
9. Release the clutch pedal 15-20 mm (0.59-0.79 in.) from the fully pressed position, and hold it there. Adjust the position of the clutch interlock switch so the engine will start with the clutch pedal in this position.
10. Tighten the locknut.


CLUTCH MASTER CYLINDER REPLACEMENT


Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.

1. The brake fluid may be sucked out through the top of the master cylinder reservo with a syringe.
2. Disconnect the clutch line from the clutch master cylinder. Plug the end of the clutch line and reservoir hose with a shop towel to prevent brake fluid from coming out.
3. Pry out the lock pin, and pull the pedal p out of the yoke. Remove the master cylinder mounting nuts.
4. Remove the clutch master cylinder.
5. Install the clutch master cylinder in the reverse order of removal. Tighten the master cylinder mounting nuts to 13 N.m (1.3 kgf.m, 9.4 lbf.ft).
6. Bleed the clutch hydraulic system
7. Refill the brake fluid in the reservoir at the MAX (upper) level line.


Click on the link to see the complete article with images check it out here:Honda S2000 Clutch.Garage411.com