Mitsubishi Lancer Evolution VI. Manual - part 47

CLUTCH OVERHAUL – 

Clutch

21B-6

"

F

A

CLUTCH COVER/CLUTCH DISC/INTERMEDIATE
PLATE/SPRING INSTALLATION

(1) Temporarily assemble the clutch cover, spring, clutch discs

(two) and intermediate plate to each other using three
M6 bolts.

(2) Bring the splines of two clutch discs in alignment using

the input shaft or a similar tool, then install the assembly
on the flywheel so that the centers of the splined holes
in the clutch discs may be coaxial with the center of the
flywheel hole. Tighten the three M6 bolts and then six
M8 bolts to the specified torques.

Caution
Be sure to align the paint marks on the clutch cover,
intermediate plate and flywheel with each other.

Spring

Intermediate plate

Clutch cover

Clutch disc

CLUTCH OVERHAUL – 

Clutch

21B-7

INSPECTION

CLUTCH COVER

Check the pressure plate surface for wear, cracks and
discoloration.
Check the rivets of the strap plate for looseness.  If loose,
replace the clutch cover.

CLUTCH DISC

Caution
Don’t clean the clutch disc in a cleaning fluid.

Check the facing for loose rivets, uneven contact, evidence
of seizure, or deposited oils and greases.  If defective, replace
the clutch disc.
Measure the rivet sink and replace the clutch disc if it is
out of specification.  (Not applicable to twin plate type clutch)

Limit: 0.3 mm

Measure the clutch disc thickness. Replace the clutch disc
if the limit is exceeded. (Twin plate type clutch)

Limit: 2.6 mm

Check the torsion spring for looseness and damage.  If
defective, replace the clutch disc.
Combine the clutch disc with the input shaft and check for
sliding condition and play in the rotating direction.  If poor
sliding condition is evident, clean, reassemble, and recheck.
If excessive looseness is evident, replace the clutch disc
and/or input shaft.

CLUTCH RELEASE BEARING

Caution
Release bearing is packed with grease.  Therefore, do
not wash it in a cleaning fluid and the like.

Check for seizure, damage, noise or improper rotation.
Check the pull ring for wear.
Check for wear on the surface which contacts with release
fork. If abnormally worn, replace.

Rivet sink

CLUTCH OVERHAUL – 

Clutch

21B-8

Check the pull ring for wear and replace the clutch release
bearing if necessary.

RELEASE FORK

If the surface which contacts with the bearing is abnormally
worn, replace.

RELEASE FORK SHAFT

Check the release fork shaft for bend and wear, and replace
if necessary.

TFM0920

CLUTCH OVERHAUL – 

Clutch Release Cylinder

21B-9

CLUTCH RELEASE CYLINDER

DISASSEMBLY AND REASSEMBLY

5

11 Nm

4

7

8

6

3

2

1

TFM0709

Disassembly steps

1. Cap
2. Air bleeder
3. Push rod
4. Boot

A

A

" "

A

A

5. Piston cup

A

A

" "

A

A

6. Piston
7. Conical spring
8. Release cylinder

DISASSEMBLY SERVICE POINT

A

A

"

PISTON CUP / PISTON REMOVAL

Remove the piston from the release cylinder using compressed
air.

Caution
1.

Cover with shop towel to prevent the piston from
popping out.

2.

Apply compressed air slowly to prevent brake fluid
from splashing.