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Heater fan imtermittent off then back on

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rksmith88
Regular Member
Posts: 83
Joined: Fri Oct 20, 2006 6:56 pm
Location: Skowhegan, Maine

Heater fan imtermittent off then back on

Post by rksmith88 » Wed Jan 29, 2014 12:49 pm

The heater fan in our car goes off and on intermittently and sometimes three or four times in a row. Any one experience this and have any thoughts on why? Thanks! :?
2012 Ford Taurus Limited AWD black exterior and black leather interior.


The Bone
Regular Member
Posts: 390
Joined: Fri Jan 17, 2014 11:41 am

Re: Heater fan imtermittent off then back on

Post by The Bone » Wed Jan 29, 2014 8:22 pm

lose connection

rksmith88
Regular Member
Posts: 83
Joined: Fri Oct 20, 2006 6:56 pm
Location: Skowhegan, Maine

Re: Heater fan imtermittent off then back on

Post by rksmith88 » Mon Feb 24, 2014 11:15 am

I have to add it only does it on "auto mode" doesn't do it any other mode.
2012 Ford Taurus Limited AWD black exterior and black leather interior.

warment
Regular Member
Posts: 921
Joined: Wed Aug 31, 2005 6:13 am
Location: Virginia

Re: Heater fan imtermittent off then back on

Post by warment » Mon Feb 24, 2014 1:16 pm

Bad connection, bad relay, bad blower motor resistor, or bad blower motor...in that order...
2005 Ford Five Hundred SE
6-spd auto

sheck1968
New Member
Posts: 1
Joined: Fri Jul 12, 2019 4:35 pm
Vehicle: 2013 ford taurus sho

Re: Heater fan imtermittent off then back on

Post by sheck1968 » Fri Jul 12, 2019 4:50 pm

ive replaced the blower motor resistor a couple times in my 13 SHO and it fixes it. the problem is water. gets in when i go thru the car wash. im on here looking for the solution to fix the water getting in. i find ma y say its a known problem and a fix for it but not finding the fix here. help anyone?

warment
Regular Member
Posts: 921
Joined: Wed Aug 31, 2005 6:13 am
Location: Virginia

Re: Heater fan imtermittent off then back on

Post by warment » Mon Jul 15, 2019 6:11 am

If water is getting in, it is likely a sunroof drain. Do you have a sunroof? My brother's 2000 MB ML320 let water in at the right angle rubber sunroof drain near the front right passenger footwell. the "pinched tip" of this drain was clogged with debris.
2005 Ford Five Hundred SE
6-spd auto

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