GX 470 V8-4.7L (2UZ-FE) (2004)
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4. CHECK PEDAL RESERVE DISTANCE
a) Release the parking brake pedal. With engine running, depress the pedal and measure the pedal reserve distance, as shown.
Pedal reserve distance from asphalt sheet at 490 N (50 kgf, 110.2 lbs.): More than 55 mm (2.17 inch)
If incorrect, troubleshoot the brake system.