i have a2007 mercury grand marquis and when I drive the a/c blows out the defroster instead of the vents

Asked by Jul 20, 2011 at 08:06 PM about the 2007 Mercury Grand Marquis LS Premium

Question type: Maintenance & Repair

2 Answers

1,665

if your selector switch is in the correct position for vent/dash divert and it blows out the windshield only then its a electrical diverter door or switch control that is not working, if it blows out the vent/dash but then switches to the windshield when your driving its a vacuum leak to one of your hoses under the dash which are extremely hard to locate not recommended for a novice, seek a mechanic for this preferably your Ford dealer.

4 of 4 people found this helpful.
490

The EATC module is at fault. These can be repaired or replaced on eBay pretty cheap. The guy who did mine was eatc-man on ebay. He has a store Ford EATC and more on eBay as well. He offers both repair and replacement. Here is the link http://stores.ebay.com/Ford-EATC-and-more.

3 of 3 people found this helpful.

Your Answer

Mercury Grand Marquis Experts

  • #1
    Tracy Hooks
    Reputation
    5,770
  • #2
    kbro
    Reputation
    2,150
  • #3
    Js08016
    Reputation
    1,880
View All

Related Models For Sale

Used Lincoln Town Car
51 Great Deals out of 1,733 listings starting at $1,000
Used Ford Crown Victoria
5 Great Deals out of 1,169 listings starting at $1,496
Used Chevrolet Impala
542 Great Deals out of 35,192 listings starting at $900
Used Dodge Charger
429 Great Deals out of 28,173 listings starting at $2,490
Used Ford F-150
2,564 Great Deals out of 195,338 listings starting at $1,300
Used Ford Mustang
587 Great Deals out of 36,206 listings starting at $1,200
Used Chrysler 300
314 Great Deals out of 17,992 listings starting at $990
Used Chevrolet Tahoe
720 Great Deals out of 41,409 listings starting at $1,995
Used Cadillac DTS
61 Great Deals out of 1,606 listings starting at $2,499
Used Ford Taurus
190 Great Deals out of 15,799 listings starting at $1,850

Used Cars For Sale

2007 Mercury Grand Marquis LS Premium For Sale
4 Great Deals out of 89 listings starting at $1,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.