Weak cabin air flow when on heat.

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by johnnychimpo, Dec 2, 2022.

  1. johnnychimpo

    johnnychimpo Active Member

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    on defrost no issue blows fine on low or bottom seems fine just on vents on heat is weak. notice it got worse when its 36F outside. seems like pressure from being on the freeway was only thing pushing air in the cabin.
     
  2. bisco

    bisco cookie crumbler

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    could be stuck damper door
     
  3. johnnychimpo

    johnnychimpo Active Member

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    how do I fix that like the actuator.
     
  4. bisco

    bisco cookie crumbler

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    Some of the dampers you have to dismantle the whole dash