Blend actuator door location

Tiny
JOSH MERRITT
  • MEMBER
  • 2012 CHRYSLER 300
  • 3.6L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
It used to make a clicking sound every now and then but it doesn’t now. Hot air blows out driver side and cold air blows out passenger-side.
Is this a blend actuator? If so where is it located?
Saturday, January 11th, 2020 AT 5:09 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,772 POSTS
Hi"
It sounds like the blend air door actuator has failed. Here is a link that shows in general how one is replaced.

https://www.2carpros.com/articles/replace-blend-door-motor

Now, since you have a dual climate control unit, there are two actuators, one for the left (driver) and one for the right (passenger). Here are the directions for removal and replacement. Note that the directions indicate both sides. You'r concentration is on the right side.

The attached pics correlate with the directions.

______________________________________

2012 Chrysler 300 RWD V6-3.6L
Blend Door Actuator - Removal
Vehicle Heating and Air Conditioning Air Door Actuator / Motor Service and Repair Removal and Replacement Blend Door Actuator - Removal
BLEND DOOR ACTUATOR - REMOVAL
REMOVAL

WARNING: Disable the airbag system before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to take the proper precautions may result in accidental airbag deployment and possible serious or fatal injury.

NOTE: The Dual Zone heating and A/C system has two blend door actuators, one for the driver side and one for the passenger side.

LEFT SIDE

pic 1

1. Disconnect and isolate the negative battery cable.
2. Remove the left side instrument panel silencer See: Dashboard / Instrument Panel > Removal and Replacement > Silencer Panel - Removal.
3. Remove the two screws (4) that secure the blend door actuator (12) to the left side of the HVAC air distribution housing (3).
4. Remove the blend door actuator from the air distribution housing and disconnect the HVAC wire harness connector (2) and remove the actuator from the vehicle.

RIGHT SIDE

pic 2

1. Disconnect and isolate the negative battery cable.
2. Remove the right side instrument panel silencer See: Dashboard / Instrument Panel > Removal and Replacement > Silencer Panel - Removal.
3. Remove the glove box and the glove box trim panel from the instrument panel See: Glove Compartment > Removal and Replacement > Instrument Panel Glove Box - Removal.
4. Remove the two screws (1) that secure the blend door actuator (4) to the right side of the HVAC air distribution housing (3).
5. Remove the blend door actuator from the air distribution housing and disconnect the HVAC wire harness connector (2) and remove the actuator from the vehicle.

________________________________________
Installation

2012 Chrysler 300 RWD V6-3.6L
Blend Door Actuator - Installation
Vehicle Heating and Air Conditioning Air Door Actuator / Motor Service and Repair Removal and Replacement Blend Door Actuator - Installation
BLEND DOOR ACTUATOR - INSTALLATION
INSTALLATION

NOTE: The Dual Zone heating and A/C system has two blend door actuators, one for the driver side and one for the passenger side.

LEFT SIDE

pic 3

1. Position the blend door actuator (1) into the vehicle.
2. Install the blend door actuator onto the left side of the HVAC air distribution housing (4). If necessary, rotate the actuator slightly to align the splines on the actuator output shaft (2) with those on the blend door cam (3).

pic 4

3. Install the two screws (4) that secure the blend door actuator (1) to the air distribution housing (3). Tighten the screws to 2 Nm (17 in. lbs.).
4. Connect the HVAC wire harness connector (2) to the blend door actuator.
5. Install the left side instrument panel silencer See: Dashboard / Instrument Panel > Removal and Replacement > Silencer Panel - Installation.
6. Reconnect the negative battery cable.
7. Initiate the Actuator Calibration function using a scan tool See: A L L Diagnostic Trouble Codes ( DTC ) > Verification Tests > HVAC Verification Test.

RIGHT SIDE

pic 5

1. Position the blend door actuator (1) into the vehicle.
2. Install the blend door actuator onto the right side of the HVAC air distribution housing (2). If necessary, rotate the actuator slightly to align the splines on the actuator output shaft (3) with those on the blend door cam (4).

pic 6

3. Install the screws (1) that secure the blend door actuator (4) to the air distribution housing (3). Tighten the screws to 2 Nm (17 in. lbs.).
4. Connect the HVAC wire harness connector (2) to the blend door actuator.
5. Install the glove box trim panel and glove box See: Glove Compartment > Removal and Replacement > Instrument Panel Glove Box - Installation.
6. Install the right side instrument panel silencer See: Dashboard / Instrument Panel > Removal and Replacement > Silencer Panel - Installation.
7. Reconnect the negative battery cable.
8. Initiate the Actuator Calibration function using a scan tool See: A L L Diagnostic Trouble Codes ( DTC ) > Verification Tests > HVAC Verification Test.

_____________________________

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

Take care,
Joe
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Saturday, January 11th, 2020 AT 6:45 PM
Tiny
JOSH MERRITT
  • MEMBER
  • 2 POSTS
So the driver side is not getting cold so I change the left side?
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Saturday, January 11th, 2020 AT 7:48 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,772 POSTS
Hi Josh,

Yes, if you have no temp control on the driver's side, it will be the left actuator. I based that comment on the passenger side. Remember, anytime you are getting parts for a car and they say left or right side, it is determined as if you are sitting in the vehicle. Often times people make the mistake of picking left and right from facing the front of the vehicle and that wont work.

Please feel free to let me know if you have questions or need help. Also, if you have the chance, let me know how it turns out for you.

Take care,
Joe
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Saturday, January 11th, 2020 AT 8:26 PM

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