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Interior Noise!

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 19Jimmy87, Oct 7, 2002.

  1. 19Jimmy87

    19Jimmy87 Registered Member

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    What is in the black box under the glove box? It is making a rrrrrrrrrrrrrrrrr noise that sounds like it is coming from that box. Should be an easy one.
     
  2. 8_YOUR_H2

    8_YOUR_H2 1/2 ton status

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    It changes the air flow from vent to defrost to heat when you flip the switch...the box that holds the heater is up there too....
    As for the gerrrrrrrrr noise, you got me!
     
  3. mattyblazer

    mattyblazer 1/2 ton status

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    It could be the fresh air blower on the outher side of the "black box" under the hood/

    Matt
     
  4. Sandman

    Sandman 3/4 ton status Author

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    Does the noise change when you adjust the speed of the blower? It could be that.
     
  5. 19Jimmy87

    19Jimmy87 Registered Member

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    It gets louder when the engine warms up. I will open 'er up and see.
     

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