Infiniti M35/M45 Y50. Manual - part 963

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 

BR-30,

"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 

RAX-5, "Removal and

Installation"

 .

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

PB-8

PARKING BRAKE SHOE

–

Anti-rattle pin for excessive wear and corrosion.

–

Return spring for sagging.

●

Make sure that adjuster moves smoothly.

●

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 

PB-6, "Components"

  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 

PB-3, "ADJUSTMENT"

 .

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

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Vehicle speed: Approx. 40 km/h (25 MPH) set (constant and forward)

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Parking brake operating force: Approx. 400 N (40 kg, 89.9 lb) set constant

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Time: Approx. 10 sec. 

SFIA2426E

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)