1991 Mercury Grand Marquis Heater A/C only delivers super hot air no setting alters this except OFF


Asked by May 22, 2017 at 01:53 PM about the 1991 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

my 1991 Mercury Grand Marquis has the Automatic temp control ... recently the
heater a/c only delivers super hot air to cabin..no setting on control changes
this except OFF.... repair suggestions?  

1 Answer


More Info: controls do change air flow to defrost/floor/dash etc. Fan speed can be changed. AC settings with coldest temp still delivers super hot air, however to dash vents.

1 of 1 people found this helpful.

Your Answer

Mercury Grand Marquis Experts

  • #1
    Tracy Hooks
  • #2
  • #3
View All

Related Models For Sale

Used Ford Crown Victoria
10 listings starting at $5,995
Used Lincoln Town Car
12 listings starting at $1,850
Used Ford F-150
450 Great Deals out of 9,071 listings starting at $922
Used Ford Mustang
11 Great Deals out of 1,173 listings starting at $2,995
Used Ford Taurus
22 Great Deals out of 300 listings starting at $2,973
Used Buick LeSabre
17 listings starting at $1,400
Used Honda Accord
69 Great Deals out of 1,111 listings starting at $748

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.