Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 1607
7C–4
CLUTCH
Slave Cylinder
Y22SE
A07RW028
6VD1
A07RW037
The slave cylinder converts hydraulic energy into
mechanical energy. Hydraulic fluid supplied by the
master cylinder moves the slave cylinder piston to
actuate the shift fork. The mechanical energy produced
by the slave cylinder is directly proportional to the
diameters of the master cylinder and the slave cylinder.
CLUTCH
7C–5
Pressure Plate Assembly
Y22SE
A07RW024
6VD1
A07RW025
The pressure plate assembly consists of the clutch cover,
the pressure plate with diaphragm spring.
Operating the clutch pedal causes the pressure plate to
move in an axial direction to engage and disengage the
clutch.
7C–6
CLUTCH
Driven Plate Assembly
Y22SE
A07RW026
6VD1
A07RW027
The driven plate assembly consists of the plate and the
facing.
The plate consists of the clutch center, the cushioning
plate, and the torsion springs.
The facing is riveted to both sides of the cushioning plate.
The cushioning plate provides a longer service life by
minimizing wear and vibration at the clutch contact
surfaces.
CLUTCH
7C–7
Diagnosis
Condition
Possible cause
Correction
Dragging
Air in circuit.
Bleed and check for damage.
Driven plate worn or warped.
Replace.
Clutch fork off the ball stud.
Install correctly and lubricate.
Diaphragm spring weak or tip of
fingers worn.
Replace.
Driven plate sticking on splines.
Clean and free splines and lubricate
with grease.
Pilot bearing worn or damaged.
Replace.
Master cylinder and slave cylinder
seals worn.
Replace.
Slipping
Clutch facing worn.
Replace.
Driven plate friction pads worn or
oilsoaked.
Replace and check for leaks as
needed.
Diaphragm spring weak.
Replace pressure plate.
Pressure plate or flywheel warped.
Replace.
Master cylinder and slave cylinder
seals worn.
Replace as needed.
Chattering
Clutch facing in poor contact or
facing warped.
Replace.
Surface of facing hardened.
Replace.
Driven plate friction pads oil soaked.
Replace and check for leaks.
Damper springs weakened or
broken.
Replace.
Rivets on clutch plate loosened.
Replace.
Pressure plate or flywheel warped.
Replace as needed.
Rattling
Diaphragm spring weak.
Replace the pressure plate.
Clutch fork loose or off the ball stud.
Replace the retaining spring or install
the fork correctly.
Driven plate springs weak or oil in the
damper.
Replace and check for leaks as
needed.
Release bearing noisy with the clutch
engaged
Release bearing binding.
Clean, or replace if damaged, and
lubricate.
Clutch fork off the ball stud or loose
spring tension.
Install correctly, and lubricate.
Linkage return springs weak.
Replace.
Noisy
Release bearing worn or damaged.
Replace.
Clutch fork off the ball stud.
Install correctly and lubricate.
Pilot bearing loose.
Replace.
Pedal stays on the floor when
disengaged
Replace bearing binding.
Free up, or replace, and lubricate.
disengaged
Diaphragm spring weak.
Replace the pressure plate.
Pedal is hard to push
Hydraulic line blocked or crimped.
Clean out or replace.
Master or slave cylinders bindinig.
Repair or replace as needed.
Driven plate worn.
Replace.
Squeaking
Ball stud not lubricated or incorrectly
lubricated.
Lubricate with high temperature
grease.
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