Checking
Brake Pressure Regulator, CheckingWork sequence
NOTE: Brake pressure regulator is mounted on body (left rear) and is operated by a spring attached to the left side of rear axle arm.
- push brake pedal once firmly (car must be on ground)
- release pedal suddenly and check that lever (arrow) on pressure regulator moves
NOTE: Brake system must be filled with fluid and free of air (properly bled)
CAUTION: Do not adjust pressure regulator with brake pedal depressed
Work sequence
- remove bleeder screws from rear brake calipers
- connect gauge
- bleed both hoses and gauges with bleeder valve on gauges
- have person (approximately 165 lbs) sit on driver's seat
- apply parking brake
Lift Point, Front:
Lift Point, Rear:
- raise right side of vehicle 350mm to 450mm (measured at wheel house opening)
- push brake pedal until left rear gauge shows approx, 40 bar (560.0 psi)
- check pressure on right rear gauge 20.0 ± 5.0 bar (290.0 ± 72.5 psi)
If pressure readings are not as specified
- replace brake pressure regulator
- remove gauge
- install bleeder screws
- bleed brakes