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

64,755

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.

64,755

Happy New Year to you also.

Your Answer

Add photo

Related Questions

  • Cost to replace rear wheel bearings? 2 answers

    2003 explorer

    2003 Ford Explorer XLT V6

    -

    Maintenance & Repair

  • Why does it feel like my 2006 Ford Explorer is binding up when turning? 5 answers

    2006 Ford Explorer XLT, 125K, had tranny rebuilt 2k ago, just had front differential replaced due to metal shavings found in it, partly due to binding up when turning at start-up. Prior to that, had ...

    2006 Ford Explorer XLT V6 4WD

    -

    Maintenance & Repair

  • parked 2002 Explorer XLT now engine appears to be seized, is this possible? 23 answers

    Car ran well until it was parked (about 165k miles), next day the engine acts like its seized. No water in oil. Thought battery was bad, so replaced, but cannot turn engine over at crank with breake...

    2002 Ford Explorer XLT 4WD

    -

    Maintenance & Repair

  • Cost To Replace a 2002 Ford Explorer XLT Transmission 45 answers

    What should I expect to pay to have a transmission replaced in my Ford Explorer XLT 2002 vehicle - rebuilt or used?

    2002 Ford Explorer XLT 4WD

    -

    Maintenance & Repair

  • no heat, 2002 taurus 23 answers

    My Taurus 02 is blowing cold air. I flushed the engine, refill with antifreeze, but kept getting cold air. This started about a month ago. I was loosing antifreeze, then I discovered a small hole in o...

    2002 Ford Taurus

    -

    Maintenance & Repair

Explorer

Looking for a Used Explorer in your area?

CarGurus has 1,048 nationwide Explorer listings starting at $1,790.

Postal Code:

Search Ford Explorer Questions

Ford Explorer Experts

#1 OJ
OJ
Reputation 9,900
#2 Tom Demyan
Tom Demyan
Reputation 3,990
#3 tennisshoes
tennisshoes
Reputation 2,270
View All

Related Models For Sale

Used Jeep Grand Cherokee
79 Great Deals out of 3,494 listings starting at $1,488
Used Ford Expedition
12 Great Deals out of 301 listings starting at $2,999
Used Chevrolet Tahoe
577 listings starting at $6,990
Used Ford F-150
296 Great Deals out of 7,954 listings starting at $720
Used Ford Escape
184 Great Deals out of 4,178 listings starting at $428
Used Dodge Durango
64 Great Deals out of 1,104 listings starting at $3,250
Used Toyota Highlander
10 Great Deals out of 585 listings starting at $3,995
Used Honda Pilot
6 Great Deals out of 399 listings starting at $3,300
Used Toyota 4Runner
3 Great Deals out of 360 listings starting at $5,995
Used Nissan Pathfinder
12 Great Deals out of 941 listings starting at $1,995
Used Ford Explorer Sport Trac
68 listings starting at $3,493
Used GMC Yukon
10 Great Deals out of 667 listings starting at $6,000

Used Cars For Sale

2017 Ford Explorer For Sale
398 listings starting at $1,790
2016 Ford Explorer For Sale
10 Great Deals out of 148 listings starting at $24,995
2015 Ford Explorer For Sale
7 Great Deals out of 85 listings starting at $24,495
2014 Ford Explorer For Sale
9 Great Deals out of 125 listings starting at $17,888
2013 Ford Explorer For Sale
3 Great Deals out of 132 listings starting at $13,991