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A/C flowing through dashboard

Tiny
DCOATES35
  • MEMBER
  • 1999 MERCURY COUGAR
  • 2.0L
  • 4 CYL
  • 2WD
  • MANUAL
  • 268,000 MILES
I turned my defrost on for my windows and then turned my A/C on. The air kept blowing through the dashboard instead of the vents.
Wednesday, September 18th, 2019 AT 1:24 AM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Welcome to 2CarPros. (And I believe welcome back)

There is an actuator on this vehicle which is operated by engine vacuum. It controls the air flow directions between the defroster and the panel. I am going to provide directions for replacing it, but before you do, make sure the vacuum supply hose is connected, not damaged, and check to see if there is vacuum to it when you change air flow direction.

____________________________________________

1999 Mercury Cougar L4-122 2.0L DOHC VIN 3 SFI
Defrost/Panel
Vehicle Heating and Air Conditioning Air Door Actuator / Motor Service and Repair Procedures Air Door Actuator Defrost/Panel
DEFROST/PANEL
REMOVAL

pic 1

1. Remove the instrument panel lower panel.

Pic 2

2. Remove the actuator.
1 Disconnect the actuating rod.
2 Disconnect the vacuum lines.
3 Remove the nuts.

INSTALLATION

pic 3

1. To install, reverse the removal procedure.
______________________________

Let me know if this helps or if you have other questions. Also, please confirm there is vacuum to the line. If there isn't we need to look for a problem further up the system.

Take care,
Joe
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Thursday, September 19th, 2019 AT 8:12 PM
Tiny
DCOATES35
  • MEMBER
  • 45 POSTS
I will try that as soon as possible. It is flooding where I live right now. Once that is done I will give it a try.
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Thursday, September 19th, 2019 AT 8:18 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Welcome back:

I hope everything is okay. Let me know if you have questions.

Take care,
Joe
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Friday, September 20th, 2019 AT 9:14 PM
Tiny
DCOATES35
  • MEMBER
  • 45 POSTS
Hey Joe, apologies for the late reply. Everything is fine now, thank you very much. As far as the car goes, the A/C is working again. For some reason they had to change the vacuum line because something was grinding into the line and put a hole in there. They could have been lying but its working and that was my main concern.
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Monday, October 21st, 2019 AT 12:15 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Welcome back:

Glad it's fixed. I had a feeling it was a vacuum issue or the actuator. It was vacuum. Interestingly, a hole is odd, however, dry rot isn't. So, anything could have happened.

Regardless, please feel free to come back any time you have questions. We'll be happy to help.

Joe
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Monday, October 21st, 2019 AT 6:40 PM
Tiny
DCOATES35
  • MEMBER
  • 45 POSTS
Thank you very much for the help. I actually did ask another question.
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Monday, October 21st, 2019 AT 8:51 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Welcome back:

You are very welcome. I did see and answer the other question. I will watch for your reply on that end.

Take care and I'm glad I was able to help.

Joe
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Tuesday, October 22nd, 2019 AT 7:45 PM

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