I have a 2008 grande marque, thats blowing hot air only when I turn on air conditiong> I did not run air conditioning for a while using heater only. The heater will not switch over to cold air will I lower temperature.

Asked by marguarette Feb 04, 2013 at 05:11 PM about the 2008 Mercury Grand Marquis LS

Question type: Maintenance & Repair

1 Answer

39,785

deveter flaps sticking,let on for time, may break loose, unless you lost the vacuum to the heater unit from under hood intake hose

3 people found this helpful.
Best Answer Mark helpful

Your Answer:

CarGurus Experts

  • #1
    Tracy Hooks
    Reputation
    9,700
  • #2
    Trippmeister
    Reputation
    5,060
  • #3
    Bob Beaman
    Reputation
    3,780
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford Crown Victoria
3 listings starting at $8,960
Used Chevrolet Impala
8 Great Deals out of 133 listings starting at $3,495
Used Ford F-150
321 Great Deals out of 13,756 listings starting at $4,888
Used Honda Accord
51 Great Deals out of 978 listings starting at $2,995
Used Ford Taurus
5 Great Deals out of 79 listings starting at $4,990
Used Ford Mustang
40 Great Deals out of 1,622 listings starting at $5,977
Used Chevrolet Corvette
21 Great Deals out of 778 listings starting at $15,900
Used Toyota Camry
44 Great Deals out of 1,139 listings starting at $2,500
Used Buick LaCrosse
4 Great Deals out of 26 listings starting at $9,995
Used Dodge Charger
35 Great Deals out of 894 listings starting at $4,888

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. Content will be removed if CarGurus becomes aware that it violates our policies.