Pressure Check

1. Ensure brake system is properly filled and bled.
2. Connect gauge assembly US 1016 or equivalent, to left front and right rear calipers, according to manufacturer's instructions.
3. On 90 models, bounce vehicle several times.
4. Bleed both hoses and gauge using bleeder valve on gauge.
5. Depress brake pedal until gauge on front axle reads 1450 psi. Hold for five seconds.
6. If rear pressure reading varies more than 145 psi within 5 seconds, replace pressure regulator.