QX56 V8-5.6L (VK56DE) (2004)
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Check thickness of lining.
Standard thickness "A": 5.15 ± 0.25 mm (0.203 ± 0.010 inch)
Repair limit thickness "A": 0.5 mm (0.020 inch)
Drum Inner Diameter Inspection
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Check drum inner diameter.
Standard inner diameter: 205 ± 0.13 mm (8.07 ± 0.01 inch)
Maximum inner diameter: 205.7 mm (8.10 inch)
Other Inspections
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Check shoe sliding surface for excessive wear and damage.
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Check anti-rattle pin for excessive wear and corrosion.
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Check return spring for sagging.
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Check adjuster for rough operation.
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When disassembling adjuster, apply Poly Butyl Cuprysil (PBC) grease or equivalent to the adjuster threads.
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Check either visually or with a vernier caliper to see if there is any excessive wear, cracks, or damage inside drum.
INSTALLATION
Installation is in the reverse order of removal.
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Apply brake grease to the specified points during assembly.
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Install adjuster so that 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 as shown by the arrow.
NOTE: After replacing brake shoes or disc rotors, or if parking brake does not function well, perform break-in operation as follows.
1. Adjust parking brake pedal stroke.
2. Perform parking brake burnishing operation by driving the vehicle forward under the following conditions:
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Vehicle speed 40 km/h (25 MPH) set (forward)
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Parking brake operating force 196 N (20.0 kgf, 44.1 lbs.) set
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Apply time 30 sec.
CAUTION:
