no heat - help
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Joined: Jun 2003
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no heat - help
Inherited my Dad's 1989 F250 - problem is NO HEAT - replaced radiator (leaked), cleaned out heater core. Still no heat. Checked Chilton's repair manual at library - no help.
Anyone know about dismantling the heater to see if a door isn't working - if I have a vacuum leak or cable broken...HELP?
Anyone know about dismantling the heater to see if a door isn't working - if I have a vacuum leak or cable broken...HELP?
Post Fiend
Joined: Nov 2002
Posts: 9,987
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From: Memphis, TN
no heat - help
Do you get ANY airflow? Have you put a water hose to the heater core to see if water can flow thru it? The temperature blend door is cable-operated on all '80-96 F-series, but they are known to come off their hinges & bind. The easiest way to check is to pull the evaporator cover and look thru the large hole in the firewall - it's right there.
Elder User
Joined: Jun 2002
Posts: 678
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From: Dallas, Texas
no heat - help
Originally posted by steve83
Do you get ANY airflow? Have you put a water hose to the heater core to see if water can flow thru it? The temperature blend door is cable-operated on all '80-96 F-series, but they are known to come off their hinges & bind. The easiest way to check is to pull the evaporator cover and look thru the large hole in the firewall - it's right there.
Do you get ANY airflow? Have you put a water hose to the heater core to see if water can flow thru it? The temperature blend door is cable-operated on all '80-96 F-series, but they are known to come off their hinges & bind. The easiest way to check is to pull the evaporator cover and look thru the large hole in the firewall - it's right there.
https://www.ford-trucks.com/forums/s...hreadid=132135
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