New Beetle L4-2.0L (AVH) (2005)
Muffler: Service and Repair
Muffler, Removing and Installing
Muffler, Removing And Installing
Special tools, testers and auxiliary items required
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Torque wrench V.A.G1331
Removing
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Remove engine cover.
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Remove wiper arms (hex nuts M8 = 20 Nm).
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Remove plenum chamber cover (outer) and plenum chamber sealing part.
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Remove intake hose and intake manifold upper part.
NOTE: Seal the intake ports in the intake manifold lower part with a clean cloth.
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Disconnect pressure hose from combination valve.
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Remove connecting pipe between combination valve and exhaust manifold.
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Remove warm air collector plate.
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Remove right side inner constant velocity joint protective cover from engine if installed.
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Remove engine/exhaust manifold support.
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Disconnect connector for oxygen sensor and move wiring clear.
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Unbolt (or remove) front exhaust pipe with catalytic converter from exhaust manifold (disconnect connection for oxygen sensor and move wiring
clear).
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Unbolt exhaust manifold and remove upward.
Installing
Installation is performed in the reverse order. When installing, note the following:
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Replace seals/gaskets and self-locking nuts.
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Tightening torques or.
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Read Diagnostic Trouble Code (DTC) memory of engine control module. If necessary, correct fault and erase DTC memory.