Removing and installing rear silencer — VW
Removing and installing rear silencer on VW: 15 steps, engines CFNA, CFNB, CHYA, CHYB. What to remove, in what order, and what to check after.
Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.
🔧 Engine codes this applies to
📋 Procedure
- Observe safety precautions when working on the high-voltage system (see the separate procedure).
- Disconnect electrical connector (1).
- Unscrew bolts (2).
- Remove engine compartment cooling fan V116(3).
- Remove service flap for luggage compartment General body repairs, exterior 66. Mouldings/trims/extensions.
- Disconnect electrical connector (1).
- Remove wiring harness (2) from retainer, and place it to one side.
- Remove clamp (3).
- Remove nuts (2).
- Remove bolts (1).
- Loosen clamp (1) for exhaust pipe.
- Remove nuts (2 and 3).
- Remove rear silencer (4) through service flap in luggage compartment.
- Align exhaust pipe relative to underbody, and tighten clamp.
- Re-energise high-voltage system 93Re-energising high-voltage system.
Other VW procedures
- Removing and installing valve timing housing (timing case)
- Removing and installing crankshaft pulley · 2 torque figures
- Assembly overview - cylinder block, gearbox end · 3 torque figures
- Checking fuel pressure, vehicles with fuel filter integrated into flange of fuel delivery unit
- Securing engine on engine and gearbox support · 2 torque figures
- Removing engine · 41 torque figures
- Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
- Adjusting valve timing – VW Passat B5 · 83 torque figures
- Removing and installing camshafts – VW Passat B6 · 39 torque figures
- Removing and installing coolant pump · 53 torque figures
Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix → · How these pages are made →Workshop data on this page last updated 20 Sep 2026.