Workshop Manuals Factory service & repair Vauxhall
Vauxhall Astra J11 · Engine
11 · Engine

Exhaust Noise

Make
Vauxhall
Model
Astra J
Section
Diagnostic Information and Procedures › Miscellaneous › Exhaust Noise
EngineExhaust Noise

Exhaust Noise



Conditions
Action

DEFINITION: An audible or physical noise due to a faulty component or damaged components causing a loose or misaligned exhaust system resulting in a rattle or vibration noise, i.e. buzz, groan, hum. Refer to Symptoms - Engine Exhaust prior to beginning this table.

Popping or hissing noise
Exhaust leak. Refer to Exhaust Leakage .

Loud exhaust
1. Compare to a known good vehicle.
2. Inspect for a damaged or failed muffler.
3. Replace the faulty muffler. Refer to . Exhaust System Replacement


External rattle or vibration noise
1. Inspect for a bent or loose hanger, loose heat shield, or loose clamp.
2. Inspect for an exhaust pipe causing interference.
3. Repair or replace the affected component. Refer to the affected component's service procedure.


Internal rattle
1. Test the components by tapping with a rubber mallet to confirm a rattle.
2. Replace the faulty catalytic converter, or muffler. Refer to one of the following procedures:

 

Parts & tools for this job For Vauxhall Astra

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