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codyhuntsaz

Auto A/C specialist

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Are there any auto mechanics that specialize in air-conditioning? I have a 2013 F150 that has a couple issues that I’d like to try and get fixed. First issue is that when the air is in the off position whatever vent was last opened still allows air flow. The other issue is that the recycle doesn’t work, it’s always outside air even when recycle is engaged.

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This sounds similar to a vacuum issue. But the defrost vent is the default position in my older Ford.

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Give Chris Rollins a call. His shop is attached to the back of Caswells. He has done a bunch of work on my F250 including replacing the whole AC system. His number is 480-221-3384 and his shop is called Rowdy Racks. He is usually open every other Saturday. Sounds like it might be the vacuum pump, which is not uncommon. Is the truck 4WD?

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38 minutes ago, PRDATR said:

Give Chris Rollins a call. His shop is attached to the back of Caswells. He has done a bunch of work on my F250 including replacing the whole AC system. His number is 480-221-3384 and his shop is called Rowdy Racks. He is usually open every other Saturday. Sounds like it might be the vacuum pump, which is not uncommon. Is the truck 4WD?

Yes it is 4WD

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Is it slow going in and out of 4wd? I believe the hub servos are vacuum assisted too.

The vacuum can on my Super Duty was replaced by the previous owner and it's too small. When vacuum is low like when accelerating, the defrost vent opens until the vacuum returns.

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3 hours ago, codyhuntsaz said:

Yes it is 4WD

Then if it is Switch On The Fly it could be the O Ring Seal on the front hub , or it could also be the hoses going to the hub. With the AC on try switching it in and out of 4WD and see it it has an affect. Make sure to leave it in 4WD for 30 seconds or so.

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7 hours ago, PRDATR said:

Then if it is Switch On The Fly it could be the O Ring Seal on the front hub , or it could also be the hoses going to the hub. With the AC on try switching it in and out of 4WD and see it it has an affect. Make sure to leave it in 4WD for 30 seconds or so.

So I just drove around the neighborhood in and out of four wheel high, four wheel auto and four-wheel low. Doesn’t make a difference if it’s in four-wheel-drive or not. The issue remains that if I shut the AC system off, outside air flows in through  whatever the last setting was, in this case it was the dash vents. Once the AC was turned off in 2 Wheel Dr. and four-wheel-drive, air still flows through the vents, the faster I went the higher the airflow got. Also went in four-wheel-drive and I switched from regular AC to max AC to re-circulate the air and it didn’t seem to make a difference in four-wheel-drive or 2 Wheel Dr. Usually you can hear and feel a difference when the air kicks from outside air to recirculate and that doesn’t happen.

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It’s probably an actuator on one of the doors for the different zones under the dash. Pretty common problem with gm trucks. Not sure about the f word brand. But if I was a betting man that’d be my guess

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