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Thread: TD5 acceleration whistle

  1. 11th August 2014, 11:36 AM #1
    1999td5's Avatar
    1999td5
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    TD5 acceleration whistle

    The information here says that it is more than likely to be leaking exhaust manifold and gasket.
    At the moment all I have done is remove the heat shield and checked for missing nuts. all looks ok. No black soot.

    Is there anything else that fails that sounds like this?

    When I get the exhaust off. I intend to remove the webs. A lot of you guys say to ceramic coat the header before I put it back on.

    CIC have quoted $260 plus GST for double coating because it is turbo diesel. Does this price sound ok?

    Anyone know roughly how much to face the manifold and where to get this done in Wa?

    Graeme
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  2. 11th August 2014, 11:45 AM #2
    Outback 1
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    Any engine reconditioning shop should be able to machine it for you

    Sent from my GT-S7275Y using AULRO mobile app
    have a good one :D ken :wasntme:
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  3. 11th August 2014, 11:58 AM #3
    ballbag
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    Had a WRX that sucked a piece of broken rubber intake hose into the compressor and bent a blade or two. That whistled and cost a few horsepower.
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  4. 11th August 2014, 01:04 PM #4
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    1999td5
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    Power stills seems to be ok. Just annoying with the noise. I hope that it has not sucked anything in. I had a couple of loose hose clamps. Inter cooler hose and turbo intake hose.
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  5. 11th August 2014, 03:16 PM #5
    twr7cx
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    Take the heat shield off. Put your head near it (a safe distance away), have someone start the engine and rev it. Can you hear the whistle coming from the exhaust manifold area?

    A bad leak can even be seen as the soot escapes when reved.
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  6. 11th August 2014, 03:20 PM #6
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    dswatts
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    When the unis on my front prop shaft were failing, the sound under acceleration was like a leaky manifold.
    Check the double cardon joint.
    03 Disco 2a, TD5, Olso blue, 7 seater, Auto, Chipped, EGR'd, 2"lift, SLS, Dual Batteries, Provent, TM-2 engine saver
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  7. 11th August 2014, 04:08 PM #7
    twr7cx
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    Also can be the serpentine belt if the tensioner has lost it's spring tension.
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  8. 11th August 2014, 07:08 PM #8
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    1999td5
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    Yep. Just revving engine in driveway does NOT replicate the noise like the road. Has just started doing it so no soot trail yet. When I first got the car EGR blanking plate was not tight and the flex joint was cracked.

    similar but not quite the same noises.
    belt pulley. Just went and checked them. they seem ok.
    Drive shaft. Not so much clicking more whistle sound.
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  9. 11th August 2014, 07:21 PM #9
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    singlecell
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    I found when my manifold started leaking it would whistle on take off but after 10 minutes of driving it had expanded enough to stop the noise for good.
    Let the car sit an hour and it would be back.
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  10. 11th August 2014, 07:39 PM #10
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    1999td5
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    It started making a noise I just turned around and took it home. Take the next vehicle. It did not get a chance to get hot so I don't know if it goes away.
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