heater runs on all speeds but no heat.

Asked by Nov 05, 2014 at 06:59 PM about the 1999 Ford F-250 Super Duty XLT Crew Cab LB

Question type: Maintenance & Repair

the heater will not blow any heat no matter where I set the selector.

2 Answers

40

Heater core is probably clogged.

4 out of 4 people think this is helpful.
10,340

check your fluid level. when was the last time the cooling system was flushed? If you flush the system change your stat.

2 out of 2 people think this is helpful.

Your Answer

Add photo

Related Questions

  • Heater problem 4 answers

    Hello I have 2002 f250 7.3 diesel has no heat blows only one speed and through defrost but cold would this be vacuum leak or heater exhange motor thank you in advance

    2002 Ford F-250 Super Duty Lariat 4WD Crew Cab LB

    -

    Maintenance & Repair

  • Heater Blower not working 2 answers

    The A/C,Heater blower in my 1999 F-250 Super Duty stopped working , I put in a new relay , and changed all three control switches, ( fan, thermostate, and vent controls) . Double checked fuses, all g...

    1999 Ford F-250 Super Duty

    -

    Maintenance & Repair

  • 2007 f250 diesel no heat

    no heat.. vaccum pump working. coolant levels normal.. heater hose coming from water pump to heater control valve luke warm. other side of hcv heater hoses cold.. water pump and t-stat unknown.. no ov...

    2007 Ford F-250 Super Duty

    -

    Maintenance & Repair

  • How does the factory installed block heater work? 5 answers

    I have a new 2013 F250 6.0 and ordered the block heater from the factory. I plugged the cord in but the truck is still ice cold in the morning.

    2013 Ford F-250 Super Duty King Ranch Crew Cab 4WD

    -

    Maintenance & Repair

  • NO heat 1 answer

    fan runs, air cold, no heat from heater

    2005 Ford E-350

    -

    Maintenance & Repair

Search Ford F-250 Super Duty Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Ford F-250 Super Duty Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 690
#2 FordNut
FordNut
Reputation 650
#3 kbro
kbro
Reputation 580
View All

Related Models For Sale

Used Ford F-350 Super Duty
489 Great Deals out of 25,897 listings starting at $2,999
Used Ford F-150
3,220 Great Deals out of 205,083 listings starting at $1,779
Used Dodge Ram 2500
186 Great Deals out of 5,706 listings starting at $2,900
Used Ford F-250
586 listings starting at $1,357
Used Chevrolet Silverado 1500
2,745 Great Deals out of 149,122 listings starting at $1,500
Used Ford F-450 Super Duty
46 Great Deals out of 2,615 listings starting at $7,000
Used Toyota Tundra
644 Great Deals out of 27,763 listings starting at $3,200
Used GMC Sierra 1500
1,057 Great Deals out of 58,692 listings starting at $1,599
Used Dodge Ram 1500
529 Great Deals out of 13,261 listings starting at $1,800
Used Dodge Ram 3500
83 Great Deals out of 2,377 listings starting at $5,000
Used Toyota Tacoma
714 Great Deals out of 32,123 listings starting at $2,000

Used Cars For Sale