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2008 Ford Escape heater sometimes blows hot air but most of the time cold air. Has anyone else have this problem or know where the heater control valve is located? Thank you in advance for your hel

Heater blows cold or hot air when it wants to. In between a drive, sometimes temperature goes from hot to cold / to hot. Turning off the engine then start the engine on again after a few menutes I may get lucky and get heat, but mostly I just get cold air blowing.

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Posted on Jan 02, 2017

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SOURCE: 1992 Jeep Wrangler heater not blowing hot air

How often has the coolant been changed? My only guess is that it hasn't and the hoses and the heater core are plugged up with goo and a flush is needed

Posted on Dec 26, 2008

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SOURCE: Heater blows cold air when idle

Sounds like you may have a partially plugged heater core. You could flush this out separately, from flushing radiator & engine block. Diconnect heater hoses going to your heater core and clamp off, so not to loose coolant from engine. Now hook up separate hose to one side of heater core pipe and flush out with typical garden hose. Repeat procedure on both heater core inlets. Reconnect original heater hoses and test difference. You may have to add an additional litre of antifreeze. If this don't work i suggest changing heater core. Good luck.........Ron.

Posted on Jan 03, 2009

  • 11 Answers

SOURCE: heater blowing cold air with coolant, fine with plain water

it sounds like the heater core is clogged bad if u know someone with a air compressor put a air nossel on it that you pull the trigger to blos air in to the heater core after you take the lines off i had to do this before on a jeep cherokee it did the job

Posted on Jan 11, 2009

pippall
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SOURCE: heater blowing hot all the time

Change the heater contol switch.They are a big problem with the fords.Fiesta and Ka.

Posted on Jul 13, 2009

  • 1 Answer

SOURCE: 2004 Mazda RX8 Heater problem

There is a well known problem that is a manufacturer's defect with the soldered connection on the circuit board behind the temperature knob. There is a fix to re-solder the connections but the dealer will gladly take $450 to replace it with the same bad board that will last you a while. Look for the link to show you how to fix it yourself.

Posted on Dec 19, 2009

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