Passat Sedan V6-2792cc 2.8L DOHC (AAA) SFI (1997)
Air Injection Pump: Service and Repair
REMOVING AND INSTALLING AIR INLET VALVE AND PUMP MOTOR
CAUTION: On vehicles equipped with an anti-theft radio, obtain the correct radio activation code before disconnecting the battery.
REMOVING
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Make sure ignition is switched OFF.
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Disconnect battery Ground (GND) strap.
CAUTION:
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On vehicles with air conditioning, Remove retaining clamp(s) from refrigerant lines.
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DO NOT open the A/C refrigerant circuit.
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The opening of the refrigerant lines can only be carried out in workshops which have trained personnel, and the necessary range of tools
and equipment.
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To prevent damage to the condenser and refrigerant lines and hoses, make sure that A/C refrigerant lines and hoses are NOT stretched,
kinked or bent.
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Remove intake hose between Air Cleaner and Secondary Air Injection pump motor.
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Remove pressure hose between Air Inlet valve and Secondary Air Injection pump motor.
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Pull vacuum hose off Air Inlet valve.
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Remove dipstick guide tube from intake manifold lower section.
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Unbolt Air Inlet valve from cylinder head and remove.
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Disconnect 2-pin harness connectors from Secondary Air Injection pump motor and Secondary Air Injection solenoid valve.
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Unbolt Secondary Air Injection pump motor from lifting eye and carefully pull out between engine coolant radiator and intake manifold lower
section.
INSTALLING
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Install in reverse order of removal.