Nissan Primera P11. Instruction — part 71
Inspecting and Adjusting Clutch Pedal
Inspect and adjust clutch pedal stroke.
Pedal stroke “S”:
Refer to SDS, CL-16.
NCL057
Pedal bracket
Pedal stopper
bolt
Pedal pad
NCL058
Master cylinder
push rod
Pedal bracket
Pedal stopper
bolt
B Pedal fully
depressed position
A Pedal fully up
position
INSPECTION AND ADJUSTMENT
CL-5
INSPECITON
Pedal stroke
Check clutch pedal stroke using a 1-meter rule to measure the total pedal stroke. Place end of rule onto the
middle of the clutch pedal pad. Place a book/clipboard on the driver’s set to set a reference point, ensure
the book/clipboard does not move during pedal depression. Mark (A) the pedal fully up position on the rule.
Depress the clutch pedal and mark (B) the rule again next to the reference point on the book/clipboard.
Measure the distance between the marks (A and B), this is the actual pedal stroke (S). Check the specified
pedal stroke in the table, adjust actual pedal stroke if necessary (refer to “ADJUSTMENT”).
Note:
●
Do not use steering wheel as a reference point, angle gives incorrect reading.
●
Ensure there is no interference between the floor carpet and clutch pedal when fully depressed.
Pedal free play
Check pedal free play. If out of specification, refer to “ADJUSTMENT”.
●
Push on the clutch pedal until resistance is felt, and check the distance the pedal moves.
ADJUSTMENT
Pedal stroke
1. Loosen the pedal stopper bolt completely (so there is no contact between pedal and stopper bolt).
2. Adjust pedal stroke to the specified value with the master cylinder push rod.
3. Adjust the pedal stopper bolt until it is just in contact with the pedal, then tighten the lock nut.
4. Once stroke is set to specification, adjust clutch pedal free play.
Pedal free play
1. Adjust pedal free play to the specified value with the master cylinder push rod.
2. Tighten lock nut of the master cylinder push rod.
●
Push on the clutch pedal until resistance is felt, and check the distance the pedal moves.
Pedal free play “A”:
Refer to SDS, CL-16.
SCL702
INSPECTION AND ADJUSTMENT
Inspecting and Adjusting Clutch Pedal
(Cont’d)
CL-6
Bleeding Procedure
1. Bleed air from clutch operating cylinder according to the fol-
lowing procedure.
Carefully monitor fluid level at master cylinder during bleed-
ing operation.
a. Top up reservoir with recommended brake fluid.
b. Connect a transparent vinyl tube to air bleeder valve of clutch
operating cylinder.
c. Fully depress clutch pedal several times.
d. With clutch pedal depressed, open bleeder valve to release
air.
e. Close bleeder valve.
f.
Repeat steps (c) through (e) above until brake fluid flows
from air bleeder valve without air bubbles.
2. Bleed air from clutch damper according to the above proce-
dure.
3. Repeat the above bleeding procedures 1 and 2 several
times.
.
NCL005
.
Operating cylinder
.
Air bleeder valve
NCL006
Air bleed valve
.
Clutch
damper
INSPECTION AND ADJUSTMENT
CL-7
Clutch Master Cylinder
DISASSEMBLY AND ASSEMBLY
●
Push piston into cylinder body with screwdriver when remov-
ing and installing valve stopper.
●
Check direction of piston cups.
INSPECTION
●
Check cylinder and piston contact surfaces for uneven wear,
rust or damage. Replace if necessary.
●
Check piston and piston cup for wear or damage. Replace if
necessary.
●
Check return spring for wear or damage. Replace if neces-
sary.
●
Check reservoir for deformation or damage. Replace if
necessary.
●
Check dust cover for cracks, deformation or damage.
Replace if necessary.
YCL008
HYDRAULIC CLUTCH CONTROL
CL-8
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