Golf L4-2.0L (AEG) (1999)
Brake Pressure Regulator: Testing and Inspection
Brake Pressure Regulator, Checking And Adjusting
Special Tools And Equipment Required
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VAG 1310 Brake pressure gauge
The brake pressure regulator is mounted on a bracket and mounted to the rear axle. The regulator is controlled from the rear axle by a spring.
Checking Function
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Depress brake pedal firmly once and release quickly (vehicle standing on its wheels).
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Brake pressure regulator must move.
Checking And Adjusting
Requirements
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Vehicle emptied of all cargo and passengers
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Driver (approx. 75 kg [165 lbs.]) in driver's seat
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Full fuel tank
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Full windshield washer / headlight washer reservoir
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Spare tire, tool kit and jack in place
Checking
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Lift vehicle and connect pressure gauges to left front and right rear brake calipers.
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Bleed both gauges.
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Lower and bounce rear of vehicle several times.
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Depress brake pedal to obtain specified pressure at front axle, then read pressure at rear axle.
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Compare reading with specifications and if necessary adjust. Refer to Load Compensator; Specifications.
Specifications for load dependent brake pressure regulator