Infiniti M35/M45 Y50. Manual — part 963
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PARKING BRAKE SHOE
PB-7
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Removal and Installation
NFS000SW
REMOVAL
WARNING:
Clean brakes with a vacuum dust collector to minimize the hazard of air borne particles or other mate-
rials.
CAUTION:
●
Clean dust on disc rotor and back plate using a vacuum dust collector. Do not blow with com-
pressed air.
●
Put matching marks on both disc rotor and wheel hub when removing disc rotor.
1.
Remove rear tires from vehicle with power tool.
2.
Remove disc rotor with parking brake pedal completely in the released position. Refer to
"Removal and Installation of Brake Caliper Assembly"
3.
If disc rotor cannot be removed, remove as follows:
a.
Secure the disc rotor in place with wheel nuts and remove adjuster hole plug.
b.
Using a flat-bladed screwdriver, rotate adjuster in direction “B” to
retract and loosen brake shoe.
4.
Remove anti-rattle pins, retainers, anti-rattle springs, and return
springs.
5.
Remove parking brake shoes, adjuster assembly, and toggle
lever.
6.
For the removal of back plate, refer to
.
INSPECTION AFTER REMOVAL
Lining Thickness Inspection
●
Check thickness of lining.
Drum Inner Diameter Inspection
●
Check inner diameter of drum.
Other Inspections
●
Check the following:
–
Lining for excessive wear, damage, and peeling.
–
Shoe sliding surface for excessive wear and damage.
PFIA0309E
Standard thickness “A”
: 3.2 mm (0.126 in)
Repair limit thickness “A”
: 1.5 mm (0.059 in)
SBR021A
Standard inner diameter
: 172 mm (6.77 in) dia.
Maximum inner diameter
: 173 mm (6.81 in) dia.
SBR768A
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PB-8
PARKING BRAKE SHOE
–
Anti-rattle pin for excessive wear and corrosion.
–
Return spring for sagging.
●
Make sure that adjuster moves smoothly.
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Visually check the inside of drum for excessive wear, cracks, and damage. Check the inside of drum using
a pair of vernier calipers.
●
Replace with new part if the above part is malfunction.
INSTALLATION
Note the following, and install in the reverse order of removal.
●
Refer to
and apply PBC (Poly Butyl Cupry-
sil) grease or silicone-based grease to the specified points dur-
ing assembly.
●
Assemble adjusters so that threaded part is expanded when
rotating it in the direction shown by arrow.
●
Shorten adjuster by rotating it.
●
Check shoe sliding surface and drum inner surface for grease.
Wipe it off if it adhere on the surfaces.
●
Perform break-in operation as follows after replacing brake
shoes or disc rotors, or if brakes do not function well.
1.
Adjust parking brake pedal stroke to the specified amount. Refer
to
.
2.
Perform parking brake break-in (drag run) operation by driving vehicle under the following conditions:
3.
Check parking brake pedal stroke of parking brake. Adjust again if it is outside the standard.
Drive forward
●
Vehicle speed: Approx. 40 km/h (25 MPH) set (constant and forward)
●
Parking brake operating force: Approx. 400 N (40 kg, 89.9 lb) set constant
●
Time: Approx. 10 sec.
SFIA2426E
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SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Parking Drum Brake
NFS000SX
Parking Brake Control
NFS000SY
Brake lining
Standard thickness
3.2 mm (0.126 in)
Repair limit thickness
1.5 mm (0.059 in)
Drum (disc)
Standard inner diameter
172 mm (6.77 in) dia.
Maximum inner diameter
173 mm (6.81 in) dia.
Control type
Foot pedal
Number of notches [under force of 196 N (20 kg, 44 lb)]
3
−
4 notches
Number of notches when parking brake warning lamp comes on
1 notch
PB-10
SERVICE DATA AND SPECIFICATIONS (SDS)
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