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2003
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Golf (1J1) L4-2.0L (AZG)
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Brakes and Traction Control
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Brake Booster Vacuum Sensor
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Service and Repair
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Procedures
Procedures
Check function of check valve -A-.
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Checking check valve -A-.
Air must pass through in direction of arrow.
Valve must remain closed in opposite direction.
Make sure that check valve is installed correctly.