VF30 tech question
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This is a discussion on VF30 tech question within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; My buddy has a VF30 and when he turns his car off, while the turbo timer is engaged, he says ...

  1. #1
    WRX
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    VF30 tech question

    My buddy has a VF30 and when he turns his car off, while the turbo timer is engaged, he says he hears this clunking noise as if something is rolling around in the turbo. He said that while the car is running, it sounds fine. He wants me to find out for him what company actually makes the turbo, and what is their phone #? He wants to talk to them directly and ask them if they know what the problem would be. Anyone on here have any idea what that could be?
    13.12@101mph
    248whp 204lb/ft torque
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    Registered User Hot_Dog's Avatar
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    Re: VF30 tech question

    Originally posted by WRX
    He wants me to find out for him what company actually makes the turbo, and what is their phone #? He wants to talk to them directly and ask them if they know what the problem would be.
    I hope he speaks Japanese. IHI ain't from around these parts.
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    Registered User PlatinumWRX's Avatar
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    The clunking is not coming from the turbo. If he is concerned, tell him to remove the inlet hose and check for shaft play.

    -Jim

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    WRX
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    That's what I thought. Now he's asking me what the difference is between the VF30 and the SR30. Do they both have the same spool characteristics? What PSI do they work efficiently in? (and yes, I will do a search to find out more)
    13.12@101mph
    248whp 204lb/ft torque
    mods

  6. #5
    Registered User NJSubieTech's Avatar
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    Nothing changes mechanicly for the car when the turbo timer is engaged - it just makes an electircal connection that keeps the car running. Besides - the damn thing dosent even have bearings! Theres nothing in there to be clunking around.

    Joe
    "Damn.... this car is wicked fast..." ~ My roomate, owner of a supercharged/intercooled 97 Trans AM
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  7. #6
    WRX
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    Well we figured out the problem. Took Adam from GRD 10 seconds after he looked under his hood. When you hear this you're gonna . So he looks at the turbo while he's shutting the car off, and he noticed that a bolt was off on the pipe going to the FMIC. LOL! He pulled it up and the noise stopped. No turbo problems, but thanks for the replys.
    13.12@101mph
    248whp 204lb/ft torque
    mods

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