HOW TO REPAIR BLEND DOOR IN HEATING SYSTEM OF 97 GRAND PRIX

  • Tiny
  • JimmyD
  • 1997 Pontiac Grand Prix

Where is it behind dash

Saturday, December 10th, 2011 AT 6:44 PM

11 Answers

  • Tiny
  • saturntech9
  • Expert
  • 28,408 posts

Yes the blend door is behind the dash over by the heater core.

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Saturday, December 10th, 2011 AT 6:48 PM
  • Tiny
  • JimmyD
  • Member

What do I have to remove to get to it

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Saturday, December 10th, 2011 AT 7:07 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,408 posts

Most likely the whole dash carrier I would have to look it up but more likely then not. Before you start riping things apart what is the problem your having that you think its a blend door issue?

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Saturday, December 10th, 2011 AT 7:14 PM
  • Tiny
  • JimmyD
  • Member

Heat comes out the passenger side but not the drivers side
Will not switch, Just stays on passenger side

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Saturday, December 10th, 2011 AT 7:21 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,408 posts

For the dual climate control you have two blend doors with two different vacuum actuators controling it with two different temp sensors for each side so its more then start tearing stuff apart.I also posted how to retrive codes thats are starting point let me know if you have any codes.

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Saturday, December 10th, 2011 AT 7:43 PM
  • Tiny
  • JimmyD
  • Member

Thank You,
Will try to get codes first.
Fan controls has button for up or down, not dial. Will this proceedure still get the codes? Do not get F or C flashing on display.

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Saturday, December 10th, 2011 AT 8:11 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,408 posts

You habe a dual digtial readout climate control that reads temo etc correct?Also what model grand prix do you have?

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Saturday, December 10th, 2011 AT 8:41 PM
  • Tiny
  • JimmyD
  • Member

Model is a SE 3800 I think

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Saturday, December 10th, 2011 AT 9:00 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,408 posts

You have dual temp auto climate control correct where it reads out each sides temp settings?

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Saturday, December 10th, 2011 AT 9:17 PM
  • Tiny
  • JimmyD
  • Member

Yes it's for driver or passenger side
heat on passengerside but not drivers side
Can I get trouble codes like you stated before
Thanks

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Saturday, December 10th, 2011 AT 9:22 PM

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