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-   -   Taking extra long to heat up (http://www.f150forum.com/f4/taking-extra-long-heat-up-181238/)

fiscomi 11-16-2012 09:41 AM

Taking extra long to heat up
 
I have a 2008 F-150. Its starting to get a little cold around here (about 25F) and now the truck is taking more than 15 minutes to heat up. Just replaced the thermostat and that did not fix it. Any other ideas?

Thanks

Brandmaner 11-16-2012 11:39 AM

I got the same thing around here. Ac worked super fast on the summer, but since I started using heat it takes roughly 10-15mins to get on the warm side

dixie_boysles 11-16-2012 11:53 AM

seems both of my 04 f150s take forever for the heat to heat up

jkurtz04 11-16-2012 11:58 AM

large engine, great amount of metal... It will heat up as quick as the laws of physics will allow it to and once the engine is operating at a temperature that matches what you have set on your heater...heat will blow out.

I let mine idle for a min or two before I drive it and it still takes a few miles before the heater starts to kick in.

Burrich 11-16-2012 12:37 PM

Mine doesn't get up to normal operating temp (middle of the gauge). When it does warm up close to the middle, a little driving drives it back down. I'm going to try reinstalling my thermostat this weekend to see if that helps.

Thisguyuknow 11-16-2012 03:48 PM

Quote:

Originally Posted by Brandmaner (Post 2181878)
I got the same thing around here. Ac worked super fast on the summer, but since I started using heat it takes roughly 10-15mins to get on the warm side

When you are running the blower with the heat on before the engine heats up it is running the coolant through the heater core (which is a miniature radiator) so you may be able to speed up the heating process by leaving the blower off till your gauge shows the engine is warmed up.

Brandmaner 11-16-2012 04:02 PM

Quote:

Originally Posted by Thisguyuknow

When you are running the blower with the heat on before the engine heats up it is running the coolant through the heater core (which is a miniature radiator) so you may be able to speed up the heating process by leaving the blower off till your gauge shows the engine is warmed up.

Ill try that on Monday :).


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