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Thread: Full Boost Squealing Noise - Can't find cause.

  1. #16
    wire jiggler supreme Backyard Mechanic celicapain's Avatar
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    Default Re: Full Boost Squealing Noise - Can't find cause.

    sure its not your girlfriend? mine makes all sort of interesting noises when i hit boost
    GA23(never finished-now with cracked block ) JZX83 (Tyre eater) 3sgte AE86. by now i should know better.

  2. #17
    Junior Member Chief Engine Builder Classique71's Avatar
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    Default Re: Full Boost Squealing Noise - Can't find cause.

    pity you have boost leak , and the tendancy to spike early!
    Saphira - ST205 Celica GT-FOUR Group A NZ No:1/4
    "Mongrel Garage - back on Aussie soil! "

  3. #18
    Junior Member Grease Monkey Adrian's Avatar
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    Default Re: Full Boost Squealing Noise - Can't find cause.

    hahahahha lol,

    Yeah spray some "start ya bastard" or "aero start" or something smiler any ware after the air flow meter to check for leaks, the idle will raise if there is a leak

  4. #19
    Forum Sponsor Conversion King
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    Default Re: Full Boost Squealing Noise - Can't find cause.

    check that the inlet many bolts are all tight.
    one of my customers had this prob turned out to be loose bolts and the gasket was causing the whistle as well as the high idle.

    the WD40 test works best spray it everywhere it could be leaking on the mani and the idle should come down.

    btw check that there is a one way valve between the idle motor and plenum.

  5. #20
    Junior Member Grease Monkey
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    Default Re: Full Boost Squealing Noise - Can't find cause.

    I had trouble with mine leaking around the injectors.

  6. #21
    Junior Member Domestic Engineer Ribfeast's Avatar
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    Default Re: Full Boost Squealing Noise - Can't find cause.

    How often do those ISCV 1-way valves go bad?
    1989 Toyota Cressida GLX 1JZGTE twin turbo *SOLD*
    http://www.toymods.net/forums/showthread.php?t=2847
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    244rwkw / 328hp @ 18psi

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