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Removing and installing exhaust manifold > < Aligning exhaust system

A4 Mk1

6-Cylinder engine (5-valve turbo), Mechanics
Removing and installing parts of exhaust system
Checking exhaust system for leaks
  • ‒ Start engine and run at idling speed.
  • ‒ Plug the tailpipe (e. g. with rags or stoppers) and leave plugged until the check is complete.
  • ‒ Listen for noise at the connection points (cylinder head/manifold, manifold/turbocharger, turbocharger/catalytic converter, etc.) to locate any leaks.
  • ‒ Rectify any leaks that are found.

Removing and installing exhaust manifold > < Aligning exhaust system