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Where is the mode blend door actuator located?

Tiny
DRYROT
  • MEMBER
  • 2002 CHEVROLET BLAZER
  • 4.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 228,000 MILES
I have good heat and good A/C. Air is only coming out on the forward-facing vents. Will not change to defrost or to floor.
Saturday, October 8th, 2022 AT 8:34 PM

3 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The mode door actuator is located on the top left side of the HVAC module, behind the dash.

See attached for the replacement procedure.

Let me know if you have any questions.
Thank you.

https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position
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Saturday, October 8th, 2022 AT 10:59 PM
Tiny
DRYROT
  • MEMBER
  • 3 POSTS
Thank you for the quick response! I will be tackling this problem tomorrow now that I have the correct information. Will update soon.
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Saturday, October 8th, 2022 AT 11:03 PM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
You are welcome! Let me know how it goes.
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Sunday, October 9th, 2022 AT 9:34 PM

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