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Heater inoperable

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Old

Sep 26, 2021 | 09:09 AM

#1

ULflyer103

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Joined: Sep 2021

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Heater inoperable

Heater will not blow warm. Wondering maybe a cable? Or thermostat? Or????
Hopefully something easy to check first?

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Old

Sep 26, 2021 | 09:25 AM

#2

alloro

Fleet Owner

Joined: Apr 2008

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From: 0,0,1

Club FTE Gold Member

First check that the engine is up to operating temperature. Next check to make sure the blend door is moving from cold to hot.

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Old

Sep 26, 2021 | 12:05 PM

#3

bajaphile

Laughing Gas

Joined: Dec 2019

Posts: 896

Likes: 256

From: San Diego, CA

I'd first check that the heater hoses are hot. How is coolant level?

As stated above, pull glove box and check the blend door actuator:

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Old

Sep 26, 2021 | 12:17 PM

#4

seville009

Logistics Pro

Joined: Nov 2004

Posts: 4,795

Likes: 47

I posted this a few years back.....don't know if applies to your truck, but doesn't hurt to check

https://www.ford-trucks.com/forums/1...eat-fixed.html

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