Strange Noise Coming from Engine Bay





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  1. #1
    Join Date
    Feb 2009
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    Pretoria
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    Default Strange Noise Coming from Engine Bay

    Hi

    I have a strange noise coming from the engine bay almost sounds like when you turn on the tap and there is air in the pipe blowing out, might also be sucking air in. It sounds like its coming from the right hand side if in front of the Jeep (battery side) of the engine bay.

    Thanks

    04 Jeep Wrangler
    2" Zone Off-Road Lift with quick disconnects
    31" BFG Mud KM2

    "You know you drive a TJ when you buy one of the most capable offroad vehicles on the market and then replace everything on it to go offroading."

  2. #2
    Join Date
    Sep 2012
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    S2950'26.46", E3057'25.92"
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    Default

    What vehicle?
    Which engine?

    My first thought would be a leak in one of the intake hoses. Most likely between the intercooler and intake manifold if it's coming from that side.

    Does it stop straight away if you turn the engine off?
    If not it's likely a vaccuum leak...
    [life is what happens when you're notp aying attention]
    2003 Jeep GC Laredo 2.7CRD
    2011 Jeep GC Overland 5.7 HEMI

  3. #3
    Join Date
    Jul 2009
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    Vryburg
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    Default

    Sou ook raai , dat dit 'n vakuumpyp is wat lek.
    Carl Swanevelder

    2001 Jeep Grand Cherokee ( WJ ) 4.7 V8 Limited
    2000 Jeep Grand Cherokee ( WJ ) 4.0l Limited
    1988 Toyota Hilux 4x4
    1977 Mini

  4. #4
    Join Date
    Sep 2012
    Location
    S2950'26.46", E3057'25.92"
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    Default

    Thinking about it now, if it's like a tap with air in the pipes then it's a hissing and knocking sound.

    That makes me think bearing. Maybe one of the idler bearings?
    [life is what happens when you're notp aying attention]
    2003 Jeep GC Laredo 2.7CRD
    2011 Jeep GC Overland 5.7 HEMI

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