80 L5-2309cc 2.3L SOHC (NG) (1991)
Brake Pressure Regulator: Service and Repair
Pressure Check
Brake System, Checking for Leaks
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connect gauge US 1016 to left front brake caliper and right rear wheel brake cylinder
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depress brake pedal until front axle pressure gauge reads 100 bar (1450 psi), hold for 5 seconds
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rear pressure reading must not vary more than 10 bar (145 psi) within 5 seconds
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if results cannot be obtained replace brake pressure regulator
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remove pressure gauges
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bleed brakes