Turbocharger Hissing Noise (LDK, LHU)

/ 9-5 (9650) / 2010 / 2. Engine / Basic engine, 4-cylinder petrol / Fault diagnosis, fault symptoms / Turbocharger Hissing Noise (LDK, LHU)

Condition	Action
Air inlet leaks or obstructions	Inspect for leaks or obstructions in the turbocharger inlet.
Leaking or restricted exhaust system	1. Inspect for a leak in the exhaust system. 2. Inspect for a restricted exhaust system.
Intake system leaks or obstructions	1. Inspect for leaks. 2. Inspect for obstructions.

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