Jetta L4-2.0L (AZG) (2004)
Air Injection Control Valve: Testing and Inspection
Combination valve, removing and installing
Special tools and equipment
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V.A.G 1331 Torque wrench (5 - 50 Nm)
Removing
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Remove engine cover.
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Remove intake manifold upper part.
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Disconnect pressure hose from combination valve.
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Remove middle insulation tray
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Unbolt heat shield for right-hand drive axle.
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Unbolt lower support of combination valve connecting pipe to exhaust manifold.
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Unbolt upper support of combination valve connecting pipe to exhaust manifold and remove pipe.
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Depending on version disconnect Heated Oxygen Sensor (H02S) - G39-.
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Remove warm air collector plate with combination valve.
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Guide a 5 mm hex socket head bolt into holes -3- of warm air collector plate -1- and remove bolts -4- for combinabon valve -2-.
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Remove combination valve.
Installing
Note:
Thoroughly clean contact suifaces between combination valve and warm air collector
Replace seal
Installation is carried out in reverse sequence of removal.
Combination valve, checking
Engine: AQY