why does my 2003 ford explorer v6 have no heat when left out in fidget temp but has heat when left in a heated garage?

Asked by Jan 02, 2017 at 07:47 AM about the 2003 Ford Explorer

Question type: Maintenance & Repair

2003 ford explorer V6 when left out in frigid weather has no heat
thermostat open, but when left in heated garage has plenty of heat. New:
rebuilt radiator, thermo housing/stat, new water pump and fly wheel
assembly, door blend actuator, motor, dash heating/cooling control system,
new coolant. When left outside in fidget weather, thermostat open has no
heat. but when left in a heated garage has plenty of heat?Ran out of things
to replace. Hoses are not hot, engine temp is low. Ran out of things to
replace. Can you help?

3 Answers

73,795

It is possible the Bypass Heater Valve or Heater Control Valve would need to be changed out, some have a vacuum line running to it. It should be located in the heater hose.

THANK YOU I WILL INVESTIGATE FURTHER!! HAPPY NEW YEAR.

73,795

Happy New Year to you also.

Your Answer

Explorer

Looking for a Used Explorer in your area?

CarGurus has 1,454 nationwide Explorer listings starting at $2,800.

Postal Code:

Ford Explorer Experts

  • #1
    OJ
    Reputation
    10,910
  • #2
    Tom Demyan
    Reputation
    4,380
  • #3
    tennisshoes
    Reputation
    2,490
View All

Related Models For Sale

Used Jeep Grand Cherokee
103 Great Deals out of 2,759 listings starting at $1,695
Used Ford Expedition
12 Great Deals out of 338 listings starting at $2,900
Used Chevrolet Tahoe
4 Great Deals out of 721 listings starting at $4,995
Used Ford F-150
472 Great Deals out of 10,109 listings starting at $3,450
Used Dodge Durango
81 Great Deals out of 1,058 listings starting at $2,998
Used Toyota Highlander
26 Great Deals out of 692 listings starting at $838
Used Ford Escape
198 Great Deals out of 5,620 listings starting at $1,215
Used Honda Pilot
15 Great Deals out of 879 listings starting at $2,950
Used Toyota 4Runner
6 Great Deals out of 471 listings starting at $5,990
Used Nissan Pathfinder
30 Great Deals out of 716 listings starting at $3,980
Used GMC Yukon
16 Great Deals out of 974 listings starting at $3,000

Used Cars For Sale

2017 Ford Explorer For Sale
8 Great Deals out of 690 listings starting at $34,900
2016 Ford Explorer For Sale
11 Great Deals out of 157 listings starting at $23,900
2015 Ford Explorer For Sale
8 Great Deals out of 140 listings starting at $19,599
2014 Ford Explorer For Sale
12 Great Deals out of 129 listings starting at $13,900
2013 Ford Explorer For Sale
6 Great Deals out of 149 listings starting at $9,988

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.