Passat Syncro Wagon V6-2.8L (ATQ) (2000)
Air Injection Control Valve: Service and Repair
Combi-Valve Removing and Installing
Note: Always replace all gaskets and seals.
Removing left combi-valve
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Remove coolant system expansion reservoir and set to one side.
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Pull vacuum hose -1- off combi-valve.
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Unscrew securing bolts -2- and remove connecting pipe.
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Unscrew securing bolts -3- and remove combi-valve from cylinder head.
Installing
Install in reverse order.
Removing right combi-valve
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Remove connecting hose between air cleaner and intake air pipe:
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Remove intake air pipe from throttle valve control module:
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Pull vacuum hose -1- off combi-valve.
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Unscrew securing bolts -2- and remove connecting pipe.
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Unscrew securing bolts -3- and remove combi-valve from cylinder head.
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If necessary unscrew securing bolts -4- for connecting pipe retainer.
Installing
Install in reverse order of removal.