Emission Control Systems

2012 Volkswagen CC 4Motion (357) V6-3.6L (CNNA)SECTION Emission Control Systems





Fastener Tightening Specifications






1 Always replace

2 When reusing an oxygen sensor, only use hot bolt paste (G 052 112 A3) on the threads. Do not let the paste get onto the slits of the oxygen sensor body.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.