check engine AUDI A4 1999 B5 / 1.G AEB ATW Engines Exhaust System Components Workshop Manual
Page 35 of 35
26-28
Exhaust system, checking for leaks
- Start engine and run at idle.
- Seal tailpipes with cloths or equivalent for
duration of leak test.
- Listen for leaks at following connections:
cylinder head/exhaust manifold, exhaust
manifold/turbocharger, turbocharger/Three Way
Catalytic Converter (TWC), etc.
- Repair leaks.
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