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Load Sensing Proportioning Valve: Maxima

  1. With one person inside vehicle, set rear axle load to 1323 lbs. (600 kg) of weight in trunk. Attach 2 pressure gauges, one to front brake and one to rear brake bleeder. Bleed air from front and rear bleeders. Depress brake pedal until front brake reading is 711 psi (50 kg/cm2 ). Rear brake pressure should be 555-697 psi (39-49 kg/cm2 ).
  2. Depress brake pedal until front reading is 1422 psi (100 kg/cm2 ). Rear brake reading should be 739-939 psi (52-66 kg/cm2 ). If readings are not correct, adjust sensor spring tension and retest.
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