SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4 cylinder Injected engine (engine 1.8 l and 2.0 l, timing chain) | Exhaust system | Parts of the exhaust system: Removing and installing

Checking exhaust system for leaks

Proceed as follows:

–	Start engine and run at idling speed.

–	Cover the end pipe for the seal verification (for example using a cloth or plug).

–	Listen for noise at connection points (cylinder head/exhaust manifold, exhaust manifold/front exhaust pipe, etc.) to locate any leaks.

–	Repair any leaks found.

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