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loud engine noise S60 2001

posted by  DINNIE on  Fri Aug 26 00:40 CST 2005
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HELLO
MY S60 IS MAKING A LOUD SIREN SOUND...COMING FROM THE ENGINE. BROUGHT IT TO BE REPAIRED...THEY HAD IT FOR A WEEK SAID IT WAS A CLOGGED...? VENT....CLOGGED WITH OIL AND SLUDGE. THEY CLEANED THAT OUT...BUT NOTHING HAS CHANGED. THE NOISE SEEMS TO HAPPEN WHEN THE ENGINE IS WARMED UP. IT CAN BECOME VERY LOUD...LIKE A BANK ROBBERY. THEY SAID IT WASN'T ANY BELTS. THIS IS A VOLVO DEALERSHIP...I KNOW THEY DON'T KNOW WHAT IS WRONG WITH IT....ANY IDEAS? THANKS.








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    loud engine noise S60 2001

    posted by  someone claiming to be Dave on  Sun Aug 28 03:12 CST 2005 [RELATED]

    I've seen that happen before and with the cars I've seen, it was a clogged PCV system, excessively high engine vacuum and cured by removing whatever was clogging the PCV system.
    Try this, when you hear the noise at idle (engine running), slightly crack open the oil fill cap. If it sounds like a soda can opening, pop type noise but sucking air IN (vs under pressure pushing air out, yet another problem), you then still have an issue where your PCV system is not flowing correctly and they didn't fix whatever's causing the restriction.








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    loud engine noise S60 2001

    posted by  KlausC on  Fri Aug 26 11:50 CST 2005
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    last visit: Fri Oct 24 10:15 CST 2014
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    Please help us help you. Start the car, open the hood, and try to figure out where the noise is coming from. I am surprised the dealer couldn't find it and charge you a lot of money for new parts.
    Try turning off the AC. Does the noise increase with rpm? Does it come from the passenger side? Low or high in the engine bay?
    --
    98 V70Rawd(108Kmi), 95 854T(88K mi), 75 164E(173K mi)








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      loud engine noise S60 2001

      posted by  DINNIE on  Sat Aug 27 03:48 CST 2005
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      THANK YOU FOR RESPONDING. THE LOUD (L O U D) WINE ..SIREN SOUND SEEMS TO COME FROM THE PASSENGER SIDE AND LOW IN THE ENGINE COMPARTMENT. IT HAPPENS AFTER THE CAR WARMS UP AND I CAN INCITE THE NOISE BY DRIVING FAST AND IN A RECKLESS MANNER. IT ALMOST SOUNDS LIKE A SLIPPING BELT...BUT MUCH WORSE. I HAVE ANOTHER APPOINTMENT AT THE VOLVO DEALER ON TUESDAY...THEY TOLD ME LAST TIME THE CRANK CASE VENT WAS CLOGED WITH OIL AND SLUDGE...THEY HAD THE CAR A WEEK.I KNOW THEY DON'T KNOW WHAT IT IS. THANK YOU AGAIN FOR YOUR HELP.







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