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2001 Mercury Sable A/C ; HEATER WORKS BUT WON'T BLOW THROUG

Tiny
LARRY663
  • MEMBER
  • 2001 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 65,500 MILES
I had just bought the car and I was checking all the buttons on the automated A/C system when the A/c stated blowing through the defrosters. The A/C still works but I can't get it to blow through the Dash vents. I can get the heater to blow to the floor and the Defrosters but not the vents. What is the problem?
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Tuesday, June 22nd, 2010 AT 3:59 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Vacuum is what control the door and selection switch
check for vacuum leak, start under the hood
check by the brake booster vacuum hose looking for a small black hose that goes into the right side by the strut and into with the wiring harness through the firewall inside the car
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Wednesday, June 23rd, 2010 AT 6:48 AM

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