Something is in duct that rattles with the heater's high fan

Tiny
JANDC
  • MEMBER
  • 2003 CHEVROLET ASTRO
  • 4.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Can I get duct out without r&I the dash?
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Saturday, March 20th, 2021 AT 1:32 PM

3 Replies

Tiny
KASEKENNY
  • EXPERT
Do you know which part of the dash this noise is coming from? If it is close to the blower motor, I would try removing the blower motor and see if you can feel around in there and get it out.

Otherwise, I need to know which duct from the options below you think it is in and we can get the process for it.

However, I attached the process for the removing the blower motor for your review.
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Sunday, March 21st, 2021 AT 4:31 PM
Tiny
JANDC
  • MEMBER
I believe it is the left defogger duct, when I place my hand from bottom I can feel the vibration. I removed cover (right side) connected to it (3-5.5mm screws) cover still won't come off, feels like upper left corner holding.
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Monday, March 22nd, 2021 AT 6:44 AM
Tiny
KASEKENNY
  • EXPERT
Looks like there is a screw in the upper left corner. Take a look at these from the manual.
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Monday, March 22nd, 2021 AT 6:41 PM

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