rough idle and noisy ac pump 07 wrx
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This is a discussion on rough idle and noisy ac pump 07 wrx within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; ya my idle is rough, to the point where it shakes the car, and my ac pump is the laoudest ...

  1. #1
    Registered User airmanhanna's Avatar
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    rough idle and noisy ac pump 07 wrx

    ya my idle is rough, to the point where it shakes the car, and my ac pump is the laoudest ac pump i have ever heard. my 97 forester idles smoother. is this common for wrx's?

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  3. #2
    Registered User Robman7835's Avatar
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    are you stock????......could be just another 07 needing a reflash
    PSM Bugeye..Cobb Stage 2

  4. #3
    Registered User airmanhanna's Avatar
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    yep stock minus a k&n filter, but it was doing this well before i instaled the filter.

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    Registered User D0WNxSH1FT's Avatar
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    Rough as in you can slightly feel it and every now and again it will pulse?

    Does the car idle higher if you turn the wheel while idling?

    Does the AC seems to make it louder?


    ...100% normal. Welcome to the world of the WRX.
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  6. #5
    Registered User airmanhanna's Avatar
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    good to know this behavior is normal! i am going to the dealership today to have them look it over, but i still think there is something wrong with my ac pump. its the loudest ac pump i have ever heard.

  7. #6
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    I think I used the AC in my wrx once and that was because the in-law was complaining about the windows being down.....I noticed that it was much harder to drive the car around town and the idle/shakes increased alot.

    I'd venture to say it's 100% normal and just something to live with but it's good to have the dealer look it over.
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