Jetta GLS Wagon L4-2.0L (AZG) (2002)
Air Injection Control Valve: Service and Repair
Combi-Valve, Removing and Installing
Special tools
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V.A.G 1331 Torque wrench 5 to 50 Nm (3.7 to 37 ft. lbs.), or equivalent
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VAS 5085 conductor
Note:
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Always replace all seals and gaskets
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A second technician is required for installation.
Removing
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Remove engine cover.
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Remove intake hose between Air Cleaner and Secondary Air Injection pump motor -V101-.
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Remove pressure hose between Secondary Air Injection pump motor-V101 and combi-valve from combi-valve.
Note:
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Press together at end to release.
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For engine code AEG remove vacuum hose from combi-valve.
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Loosen sealing nuts on connecting pipe.
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Remove protective cover for right drive shaft.
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Unscrew connector pipe from exhaust manifold.
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Unscrew combi-valve using ratchet handle and 4 mm alien socket.
Installing
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Thread front bolts through warm air collector plate from below using tool.
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Second technician stops fasteners turning from above.
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Install 4 mm inner hex with ratchet handle in screw head.
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Have second technician position combi-valve from above and also guide it during fastening of second bolt.
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Tightening torque: 10 Nm (7 ft. lbs.)
Note:
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Assembly is the reverse of the disassembly