Tilton Mistubishi EVO8 Package (98-1122) - Manual (Page 2)

installation: hyDraulic release Bearing assemBly
1. Remove the existing Original Equipment (OE) slave cylinder, fork arm and release
bearing from the transmission.
Note: To remove the release bearing unit you must pry a plug from the
transmission case and remove the fork pin.
2. Remove the pilot tube from the transmission. Check the input shaft seal and
replace if necessary. Clean the bearing retainer/pilot tube surface and bolt holes.
3. Install the provided hydraulic release bearing mount adapter (P/N 62-9900),
positioning the hydraulic release bearing’s mounting holes so that they are
parallel to the ground as shown in Diagram 3. The adapter must sit flush on the
mounting surface. Install the four (4) M6X1X14 flat head screws that are provided.
4. Before installing the hydraulic release bearing (P/N 61-9002 or 61-9012), route the
supplied AN3 steel braided line to exit the transmission case without any sharp
bends or kinks. If necessary, remove the rubber boot vent that is located at the
upper left of the input shaft to create a convenient hole in the transmission case.
Directions on how to trim and connect hydraulic lines are provided in the instruc-
tions that came with the 9000-Series hydraulic release bearing included in the
package. Connect the supply line to the master cylinder with the banjo adapter
and banjo bolt that is provided.
5. Thread the supplied fittings into the hydraulic release bearing. Install the hydraulic
release bearing onto the mount adapter with the two (2) M6X1X10 cap head
screws provided. Make sure that the highest port on the hydraulic release is used
as the bleed line port, as shown in Diagram 3. Connect the supply and bleed lines
to the hydraulic release bearing.
6. Remove the “helper/over center” spring from the clutch pedal assembly as shown
in Diagram 4. This spring is designed to help overcome the resistance of the stock
clutch’s diaphram spring, making clutch disengagement easier (less pedal effort).
This spring is not needed for use with the Tilton clutch package, due to the sup-
plied hydraulic release bearing assembly.
7. Install the pedal stop (P/N 72-008) that is included in your clutch kit using the
instructions below.
clutch peDal stop
A positive clutch pedal stop must be used to prevent over-stroking the hydraulic
release bearing piston and the clutch. For access reasons, in many cars it is not easy to
determine how far the master cylinder is being stroked.
The method listed below provides a very effective method for adjusting the pedal
stop:
1. Lift the drive wheels off the ground and support the car on jack stands.
2. With the engine off, place the gearbox in first gear and have someone attempt to
rotate the drive wheels.
3. Depress the clutch pedal slowly until the clutch disengages and the drive wheels
can be rotated.
4. Adjust pedal stop to allow another 1/4” of pedal travel. This should provide
clean release of the clutch. Do not stroke the pedal any further than this point
throughout this procedure, otherwise you will over-stroke the clutch.
±5°
FROM
HORIZONTAL
BLEED PORT
Diagram 3
Diagram 4
Tilton Engineering, Inc. 25 Easy Street • PO Box 1787 • Buellton, CA 93427 • www.tiltonracing.com
FI
RE
W
ALL
Adjustable
Pedal stop
Pedal position where
clutch breaks free.
1/4" additional travel
(exaggerated for clarity)
Pedal position where
pedal stop should be set.
Never travel clutch
pedal past this point!
Diagram 5