Hi,
Do you have one or two vents for the defroster? I'm looking and it indicates one. Take a look at this removal and replacement procedure for the defroster duct work. The pictures attached correlate with the directions.
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2009 Chevy Truck Equinox AWD V6-3.4L
Windshield Defroster Duct Replacement
Vehicle Heating and Air Conditioning Air Duct Service and Repair Removal and Replacement Windshield Defroster Duct Replacement
WINDSHIELD DEFROSTER DUCT REPLACEMENT
Windshield Defroster Duct Replacement
Removal Procedure
pic 1
1. Remove the instrument panel upper trim panel. Refer to Instrument Panel Upper Trim Panel Replacement (See: Dashboard / Instrument Panel > Removal and Replacement).
2. Remove the windshield defrost duct from the HVAC module.
Installation Procedure
pic 2
1. Inspect the windshield defrost duct seals. If damaged, replace using Kent Industries adhesive back foam tape P/N 46485 or equivalent.
2. Install the windshield defrost duct to the HVAC module.
3. Install the instrument panel upper trim panel. Refer to Instrument Panel Upper Trim Panel Replacement (See: Dashboard / Instrument Panel > Removal and Replacement).
The duct connects directly to the HVAC box, so nothing should be disconnected if you are getting air flow out the other side.
There is a mode door actuator that is responsible for changing air flow direction. However, there is only one door for the defroster which again makes it sound like it is working.
If you look at pic 3, I circled the mode actuator. Make sure nothing is loose.
Let me know about the outlet on the dash for defrost. Are you sure nothing has fallen down inside and is blocking the air flow?
Take care,
Joe
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Friday, March 6th, 2020 AT 9:26 PM