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Re: Need a little help with AC Ford 4.6 [Re: laserred96gt] #4959702 12/23/18 06:41 PM
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bdcardinal Offline
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Posts: 13,041
Originally Posted by laserred96gt
Yes there was dye in the system, must have been the previous owner, I have owned the van since 2011 and never had a problem with the AC.
Blower motor is working, it is not blowing as hard as it used when I first bought it though.
I will check the pressures and read them next time.


Fords tend to have dye from the factory.


2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

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Re: Need a little help with AC Ford 4.6 [Re: laserred96gt] #4959925 12/23/18 10:43 PM
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DONWATERS Offline
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I say dirty leaf clogged evaporator core.

Re: Need a little help with AC Ford 4.6 [Re: laserred96gt] #4959942 12/23/18 10:52 PM
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clinebarger Online Content
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If this van has Auxiliary A/C.....It's way undercharged at 40 ounces.


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2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: Need a little help with AC Ford 4.6 [Re: laserred96gt] #4960594 12/24/18 06:36 PM
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laserred96gt Offline OP
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No it is a cargo van, it only takes 40ozs, yeah what im leaning at is a partially clogged evap in combination with lower ambient temperature and weak blower motor not moving enough air across the coil. Noticed early this morning when it was colder outside that lines started freezing right away, I also noticed the problem the first cold day we had in Florida.


2017 4Runner Limited, 50k
04 E-150, 4.6, 240K, Synblend 5w20.
11 Camry 2.5, 70K, PU 5w20.
Re: Need a little help with AC Ford 4.6 [Re: laserred96gt] #5008521 02/12/19 06:21 AM
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laserred96gt Offline OP
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Sorry to bring back an old thread but found the problem to be a bad low pressure switch, hopefully this will help someone, thank Chris and everyone for their replies.


2017 4Runner Limited, 50k
04 E-150, 4.6, 240K, Synblend 5w20.
11 Camry 2.5, 70K, PU 5w20.
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