1998 NISSAN PICK-UP Repair Manual

Clutch Pedal
SCL741-N
.(KA24E engine).(TD25 engine)
CLUTCH SYSTEM
CL-4

Adjusting Clutch Pedal
1. Adjust pedal height with pedal stopper.
2. Adjust pedal free play with push rod.
Air Bleeding Procedure
Bleed air according to the following procedure.
Bleed the air from the master cylinder (RHD models only)
and then the operating cylinder.
1. Fill the master cylinder reservoir tank with new brake fluid.
2. Connect a transparent vinyl hose to the air bleeder.
3. Slowly depress the clutch pedal to its full stroke length and
release it completely. Repeat this operation several times at
2 to 3 second intervals.
4. Open the air bleeder with the clutch pedal fully depressed.
5. Close the air bleeder.
6. Release the clutch pedal and wait at least 5 seconds.
7. Repeat steps 3 through 6 above until air bubbles no longer
appear in the brake fluid.
SCL742-A
.LHD model
221 - 231 mm (8.70 - 0.09 in)
RHD model
195 - 205 mm (7.68 - 8.07 in)
Pedal free play ``A'':
1 - 1.5 mm (0.039 - 0.059 in)
SCL203
INSPECTION AND ADJUSTMENT
CL-5

Clutch Master Cylinder
DISASSEMBLY AND ASSEMBLY
lUse a screwdriver to remove stopper ring while pushing push
rod into cylinder.
lWhen installing stopper ring, tap in lightly while pushing push
rod into cylinder.
SCL743-A
.Clutch damper
SCL744
HYDRAULIC CLUTCH CONTROL
CL-6

INSPECTION
Check the following items, and replace as necessary.
lRubbing surface of cylinder and piston, for uneven wear, rust
or damage
lPiston with piston cup, for wear or damage
lReturn spring, for wear or damage
lDust cover, for cracks, deformation or damage
lReservoir, for deformation or damage
HYDRAULIC CLUTCH CONTROL
Clutch Master Cylinder (Cont'd)
CL-7

Operating Cylinder
INSPECTION
lCheck rubbing surface of cylinder for wear, rust or damage.
Replace if necessary.
lCheck piston with piston cup for wear or damage. Replace if
necessary.
lCheck piston spring for wear or damage. Replace if neces-
sary.
lCheck dust cover for cracks, deformation or damage.
Replace if necessary.
SCL796
.
For Gasoline engines
.
For Diesel engines
SCL746-A
.
HYDRAULIC CLUTCH CONTROL
CL-8

REMOVAL AND INSTALLATION
Separate type
lRemove release bearing.
lInstall release bearing with suitable drift.
lInstall retainer spring and holder spring.
SCL747-A
.(TD25 engine only)
CL145
SCL705
SCL217
CLUTCH RELEASE MECHANISM
CL-9

Non-separate type
lInstall the holder spring to the release bearing as shown in
the figure at the left and insert the withdrawal lever from the
direction of the arrow.
INSPECTION
Check the following items, and replace as necessary.
lRelease bearing, to see that it rolls freely and is free from
noise, cracks, pitting or wear
lRelease sleeve and withdrawal lever rubbing surface, for
wear, rust or damage
LUBRICATION
lApply recommended grease to contact surface and rubbing
surface.
lToo much lubricant might damage clutch disc facing.
SCL750
SCL752
CLUTCH RELEASE MECHANISM
CL-10

WATERPROOF Ð for 4WD model
lApply recommended sealant to contact surface of transmis-
sion case dust cover and withdrawal lever, then install dust
cover clip.
Recommended sealant:
Nissan genuine part KP115-00100, Three Bond TB
1212 or equivalent.
SCL760
SCL761
CLUTCH RELEASE MECHANISM
CL-11