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Volkswagen
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1978
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Scirocco Standard Trans
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Repair and Diagnosis (Single Page)
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Engine Mechanical
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Auxiliary Emission Control Systems
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Air Injection Systems
Air Injection Systems
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Air Injection Systems
Description
Operation
Air Pump
Check Valve & Relief Valve
Anti-Backfire Valve
Notes
Diverter Valve
Trouble Shooting
Excessive Belt/Pump Noise
No Air Supply
Exhaust Backfire
Testing
Anti-Backfire Valve
Diverter Valve
Check Valve
Air Pump
Maintenance
Notes
Pressure Relief Valve
Centrifugal Fan Filter
Pump Exhaust Tube