HVAC re-circulation mode

Tiny
MRACOKER
  • MEMBER
  • 2005 CHEVROLET 3500
  • 6.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 165,000 MILES
My re-circulation light comes on but it still pulls air from outside. I need to know the location of the actuator to replace.
Friday, September 20th, 2019 AT 1:38 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Welcome to 2CarPros.

I attached the directions for removal and replacement. The directions indicate automatic climate control. However, the recirculation actuator is the same as manual. The attached pictures correlate with the directions.
____________________________

Vehicle Heating and Air Conditioning Air Door Actuator / Motor Service and Repair Procedures HVAC System - Automatic Recirculation Actuator
RECIRCULATION ACTUATOR
RECIRCULATION ACTUATOR REPLACEMENT

REMOVAL PROCEDURE
1. Remove the air distribution duct.

Pic 1

2. Disconnect the electrical connection from the recirculation actuator (1).

Pic 2

3. Remove the recirculation actuator retaining screws.
4. Remove the recirculation actuator.

INSTALLATION PROCEDURE

pic 3

1. Install the recirculation actuator.
2. Install the recirculation actuator retaining screws.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the screws to 1.6 N.M (14 lb in).

Pic 4

3. Connect the electrical connector to the recirculation actuator (1).
4. Install the air distribution duct.

__________________________________________________________________________________

Let me know if this helps or if you have other questions.

Take care,
Joe
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Friday, September 20th, 2019 AT 8:22 PM

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