Question about 2005 Volvo S60

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To much air pressure im my crank case valve, i believe thats what it is called. a whistling sound comes from the car it make the idle jump and the brakes seem a bit harder to push, when it makes this sound i rub the engine up to the red line and most of the time it stops for about ten minutes then come backs. please help i have no idea what is going on!!!

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Sounds like you have a bust vacuum pipe somewhere possibly between the vacuum pump and the brake servo
the engine is sucking in extra air which will cause the idle to jump and run erraticly
hope this helps

Posted on Dec 03, 2008

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