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  1. #1
    Join Date
    Mar 2009
    Location
    Australind Western Australia
    Posts
    83

    Default Squeaking sound under bonnet-Solved

    I have a squeaking (almost sounds like bearing noise) sound under the bonnet. It occurs when I gas it and come off the pedal. It sounds like a squeaking spring gate. Would it be the turbo wastegate spring or the like? I've had for over 12,000 kms but it just bugs me what it might be. Any clues or solutions would be appreciated.

    Regards,

    Giles
    Last edited by Giles; 12-11-2009 at 09:58 PM.
    2001 Volvo V-70-XC 2.4T Black (SOLD)
    1988 MB 300SEL Diamond Blue (Cruiser)
    1999 MB E430 Avantegard Royal Indigo (Sports Saloon)
    1974 MB 350SLC (mock SLC Rally car, 3000kms away but coming home in 3 weeks)
    1988 Range Rover 4.2 5 spd manual (Go anywhere truck)

  2. #2
    Join Date
    Aug 2009
    Location
    Maine, Bath
    Posts
    689

    Default

    Could be.. Have someone play with the throttle while you listen
    around the engine bay to pinpoint the source... no use in guessing
    at this point. If you find where you think the source is coming
    from spray some WD-40 or something on it and see if that helps.

  3. #3
    Join Date
    Mar 2009
    Location
    Australind Western Australia
    Posts
    83

    Default

    I'm still searching for a solution to this mysterious bearing/squeaking noise.

    It only seems to happen when the car is under load when you accelerate and back off. If you keep on the gas all is OK.

    Anyone had the same symptoms? A solution would be great as it's driving me crazy and it's 200kms to a Volvo dealer.

    Regards,

    Giles
    2001 Volvo V-70-XC 2.4T Black (SOLD)
    1988 MB 300SEL Diamond Blue (Cruiser)
    1999 MB E430 Avantegard Royal Indigo (Sports Saloon)
    1974 MB 350SLC (mock SLC Rally car, 3000kms away but coming home in 3 weeks)
    1988 Range Rover 4.2 5 spd manual (Go anywhere truck)

  4. #4
    Join Date
    Jan 2007
    Location
    Nova Scotia, Canada
    Posts
    1,446

    Default

    Can you upload a video that might contain the sound?

    Dave.
    Our Most Probable Fate Is Death !!!

  5. #5
    Join Date
    Mar 2009
    Location
    Australind Western Australia
    Posts
    83

    Default

    Quote Originally Posted by Aviator View Post
    Can you upload a video that might contain the sound?

    Dave.
    I'll give it a go over the weekend.

    Regards,

    Giles
    2001 Volvo V-70-XC 2.4T Black (SOLD)
    1988 MB 300SEL Diamond Blue (Cruiser)
    1999 MB E430 Avantegard Royal Indigo (Sports Saloon)
    1974 MB 350SLC (mock SLC Rally car, 3000kms away but coming home in 3 weeks)
    1988 Range Rover 4.2 5 spd manual (Go anywhere truck)

  6. #6
    Join Date
    Mar 2009
    Location
    Australind Western Australia
    Posts
    83

    Default

    I took the XC to the local turbo shop and explain the annoying noise.

    They came back after an inspection of the turbo and hoses etc. and they made a phone call to a Volvo tech. and the noise is apparently turbulence caused by the presssure coming back through the air intake and K&N air filter.

    So no big time problems just a noise that comes and goes. May also have something to do with the wastegate mod.

    Regards,

    Giles
    2001 Volvo V-70-XC 2.4T Black (SOLD)
    1988 MB 300SEL Diamond Blue (Cruiser)
    1999 MB E430 Avantegard Royal Indigo (Sports Saloon)
    1974 MB 350SLC (mock SLC Rally car, 3000kms away but coming home in 3 weeks)
    1988 Range Rover 4.2 5 spd manual (Go anywhere truck)

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