heater

  1. F

    WILL HEAT WORK WITH NO VACUUM

    I know it will be defaulted to the defroster vents but will the air coming out of the defrost vents get warm on a 1990 if there is no vacuum connected to the HVAC controls? if not what size hose connects to the rear of the HVAC controls to run out to the firewall? thanks
  2. DougieD1961

    01 thermostat knob sticking

    When it's cold, the temp control knob on my heater/AC acts like it's spring-loaded. I turn it, and it makes the racheting sound, but there's resistance, and it pops back to its original place when I release it. Eventually - when the interior is warm - it functions normally. Is it the heating...
  3. M

    93 GT HVAC issues

    ok I have a 93 mustang with electric fan, pretty new 180 thermostat and 3 bar mishimoto radiator. My heater will sometimes randomly come on after leaving it on and driving 30 plus minutes. But never reliable and it's getting colder so it's a priority. Rear defrost works great tho. My AC doesn't...
    • moon9398
    • Thread
    • air conditioning fox body ac fox body heater foxbody foxbody a/c foxbody hvac heater hvac
    • Replies: 9
    • Forum: Fox 5.0 Mustang Tech
  4. jwalking

    67 Convertible Odd Non-Option

    I picked up a 1967 Mustang convertible that looks like it came from the factory with no heater. It has a solid factory embossed cover plate with the slots showing but not cut out instead of the normal heater control cover plate. The firewall also has a factory looking cover plate where the...
  5. R

    89' Lx 2.3

    Hi, new here. About the car- Automatic, 2.3 EFI, 110k miles roughly, at least from what the prev. owner told me, had 89k miles when I bought it. but who knows if it was 89 or 189.?? right. Recently rear ended, no obvious damage, not even mechanic could give an estimate, couldnt find anything...
  6. Createawon1

    Will My Heat Still Work?

    Hi, 89 GT convertable with 160,xxx I am planning on deleting my A/C with the Ford Racing delete/power steering relocate. I live in the Colorado mountains and always just pop the top if I am hot. A/C doesn't work anyways and I want to clean up under the hood and loose some weight. I am wondering...
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