All Things Mk5 > How to Guides / Troubleshooting

Turbo Whistle... Possible Fault??

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56OctyVRS:
Check the PCV valve as they can create a whistling noise and also lose you power when the check valves inside break.

Saint Steve:

--- Quote from: 56OctyVRS on May 14, 2011, 10:45:38 am ---Check the PCV valve as they can create a whistling noise and also lose you power when the check valves inside break.

--- End quote ---

Also hear a hissing sound after shutdown coming from under the top engine cover if the main diaphragm has blown.

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