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whining Sound after PCV wrong installation

Everything on the Volvo S80. Sometimes called an "executive car", the S80 was Volvo's top-of-the-line passenger car.
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Joined: Sat Jun 07, 2014 7:47 am
Year and Model: 1999
Location: Riyadh

whining Sound after PCV wrong installation

Post by sherry007 »

Volvo s80 2.9 1999 Non Turbo

I accidentally install the one way air valve on the Throttle hose which pushed the air back to PCV. After correcting it, now i can here the whining sound from the engine...please hear closely beside engine voice there is whining sound.

Please appreciate feedback

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