Pathfinder 2WD V6-4.0L (VQ40DE) (2009)
Other Inspections
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Check the shoe sliding surface for excessive wear and damage.
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Check the shoe hold-down pins for excessive wear and corrosion.
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Check the upper and lower return springs for sagging.
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Check the adjuster for rough operation.
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When disassembling the adjuster, apply PBC (Poly Butyl Cuprysil) grease or equivalent to the adjuster threads.
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Check either visually or with a vernier caliper for any excessive wear, cracks, or damage inside the drum.
INSTALLATION
Installation is in the reverse order of removal.
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Apply brake grease to the back plate at the specified points during installation.
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Install the adjuster so that the threaded part expands when rotating it in the direction shown by the arrow.
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Shorten adjuster by rotating it in the opposite direction.
NOTE:
After replacing the shoes or disc rotors, or if parking brake does not function properly, perform the break-in operation as follows.
1. Adjust the parking brake pedal stroke to specification. Refer to See: Procedures.
2. Perform the parking brake break-in operation by driving the vehicle forward under the following conditions:
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Maintain vehicle speed 40 km/h (25 MPH) moving forward.
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Apply the parking brake pedal with an operating force of 196 N (20.0 kg-f, 44.1 lb-f).
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Apply the parking brake pedal for a period of 30 seconds before releasing.
CAUTION:
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To prevent the linings from getting too hot, allow a cool off period of approximately 5 minutes after every break-in operation.
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Do not perform excessive break-in operations, because it may cause uneven or early wear of the linings.
3. After the break-in operation, check parking brake pedal stroke. Readjust as necessary if it is not within the specified stroke. Refer to See:
Procedures.