On my 2010 Mercury Grand Marques on a/c the air rotates from vent to defrost to floor. Does anyone know what went bad?

10

Asked by Sep 13, 2015 at 09:12 AM about the 2010 Mercury Grand Marquis LS

Question type: Maintenance & Repair

3 Answers

67,505

Sounds like the inline vacuum check valve. If this happens when you accelerate, it's definitely the check valve. HTH. -Jim

1 of 1 people found this helpful.
10

I need to have it checked out, thanks for the help

1 of 1 people found this helpful.
67,505

You're welcome. Glad to help. -Jim

Your Answer

Add photo

Related Questions

Grand Marquis

Looking for a Used Grand Marquis in your area?

CarGurus has 1,848 nationwide Grand Marquis listings starting at $2,000.

ZIP:

Search Mercury Grand Marquis Questions

Mercury Grand Marquis Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 5,550
#2 kbro
kbro
Reputation 2,090
#3 Js08016
Js08016
Reputation 1,800
View All

Related Models For Sale

Used Ford Crown Victoria
14 Great Deals out of 1,278 listings starting at $1,988
Used Lincoln Town Car
36 Great Deals out of 1,795 listings starting at $1,500
Used Chevrolet Impala
626 Great Deals out of 35,400 listings starting at $899
Used Ford F-150
2,067 Great Deals out of 208,410 listings starting at $290
Used Chrysler 300
426 Great Deals out of 19,215 listings starting at $1,000
Used Dodge Charger
532 Great Deals out of 29,909 listings starting at $2,000
Used Ford Taurus
282 Great Deals out of 20,502 listings starting at $1,300
Used Honda Accord
1,038 Great Deals out of 77,387 listings starting at $999
Used Ford Mustang
636 Great Deals out of 46,709 listings starting at $750
Used Cadillac DTS
70 Great Deals out of 1,627 listings starting at $1,795
Used Chevrolet Caprice
165 listings starting at $9,900
Used Toyota Camry
1,116 Great Deals out of 91,351 listings starting at $1,222

Used Cars For Sale

2010 Mercury Grand Marquis LS For Sale
95 listings starting at $3,100
2009 Mercury Grand Marquis LS For Sale
6 Great Deals out of 75 listings starting at $2,990
2008 Mercury Grand Marquis LS For Sale
4 Great Deals out of 102 listings starting at $2,250

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.