front defroster w/ hizzzzz sound
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This is a discussion on front defroster w/ hizzzzz sound within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hey guys, I have a 02 wrx and everytime I use the front window defroster I hear a hizzzzzzz (the ...

  1. #1
    Registered User sudaka's Avatar
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    front defroster w/ hizzzzz sound

    Hey guys,

    I have a 02 wrx and everytime I use the front window defroster I hear a hizzzzzzz (the best way i can think to describe it) and it drives me nuts. help please!

    thanks
    "Take time to ponder which things you are most grateful for and which things are of greatest need in your life"

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  3. #2
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    you need your defroster replaced. lol
    just check for the wiring , that must be short circuiting while you turn it over

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    Good news, everyone! xxxxxxxAnub1s's Avatar
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    Are you talking about an actual defroster on the front window, or are you talking about the defrost settting on you HVAC controls?

    If it's on the HVAC controls, you probably have something lodged in the vents somewhere that's creating noise when the air is going there. Try cleaning them out or taking it somewhere to have them professionally cleaned.

  5. #4
    Registered User EvoEatr's Avatar
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    Does it happen on all fan speed settings? Does it happen when its only in the defrost position? Just the sound you made makes me think maybe something got in the blower motor like a leaf or something or something is in the defrost vents..Also check your drive belt for the AC compressor fore as i am sure you know when you select defrost it kicks your AC compressor on to keep it lubricated in the winter months...

  6. #5
    Registered User sudaka's Avatar
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    Thanks guys! Yes it happens at all fan speeds and only in the defrost position and it comes out of the vent by the front passanger side. The drive belt is good. I'll take the blower apart and see if there's anything in the vents or blower.
    "Take time to ponder which things you are most grateful for and which things are of greatest need in your life"

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