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Jeremy
Jeremy, Certified Diesel Technician/Electrician
Category: Ford
Satisfied Customers: 3132
Experience:  ASE, NATEF Engines and Electrical certified, EPA 608/609
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Sampsell - My 2013 Ford Explorer will switch from warm/hot

Customer Question

Customer: ***** ***** Sampsell - My 2013 Ford Explorer will switch from warm/hot to cold air. It doesnt warm up until we get moving down the road and then after about 3- miles it switches to cold .... then back to wark from time to time. Im lost. You have any ideas?
JA: Thanks. Can you give me any more details about your issue?
Customer: its just the warm air changing to cold air without warning.
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Submitted: 1 year ago.
Category: Ford
Expert:  Jeremy replied 1 year ago.

My name is***** will assist you.

If the temp changes back and forth on its own with no air flow change, then the issue may be your thermostat on the engine and not the switch in the car. If the thermostat is opening and closing, it will have the temp changing.

Now if the air is changing in the car, see if the temp changes which each rev of the engine versus idle of the engine. If so, there is a vacuum leak between the control switch and the vent control aka actuator at the air box. That vacuum leak will need to be found by removing the dash and chasing taht whole line looking for cracks and feeling for suction along that line. It could be in the actuator itself where the small diaphragm is bad and letting the vacuum leak by.

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Jeremy

Expert:  Jeremy replied 1 year ago.

I see you viewed this and this is still showing as a open question due to no positive (3 stars or more) rating.

Did you still need assistance with this?