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A/C not blowing thru vents

Discussion in 'Grand Cherokee' started by Maggman, Jul 21, 2020.

  1. Jul 21, 2020 at 3:21 PM
    #1
    Maggman

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    Maggman [OP] New Member

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    Hi, new member.. just wanted to post this since it never happened b4... 2019 Grand Cherokee, took to car wash, over 100 degrees.. went thru wash came home. After sitting a bit, went for drive no air coming thru the vents, but air pushing inside dash. Realized going thru wash ac was not on recirculating and water sucked into the system.. after drying, and removing the cabin filter all good. There is a HUGE door under outer vent right above air entry into filter..sucked like a $10.00 street walker I guess... anyway no more dar wash unless the recirculating door is closed. Just wanted to share. Great site
     
    Maggman, Jul 21, 2020
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  2. Jul 21, 2020 at 4:55 PM
    #2
    LYFZGOOD

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    LYFZGOOD members

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    2.5” lift 32x11.50x15,cold air intake, Smittybuilt stainless steel Bumpers, rough county pocket flares,Rugged ridge seat covers and floor mats. Conversion LED headlights 20’ LED Light bar hardtop,soft top,bikini top.
    Since we have some members on here that might not know what you’re talking about clarify a street walker :anonymous:
     
    LYFZGOOD, Jul 21, 2020
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    aggrex likes this.
  3. Jul 21, 2020 at 6:14 PM
    #3
    aggrex

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    aggrex Well-Known Member

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    Tuffy>AEV>TTO>JW>STech>EVOcage>MagnaFlow>SpiderTrax>RockHard>TF>SpringTail>67design>Bolt>GPCA>Curt>
    Welcome @Maggman ...wasn't aware of that suction problem but my JK has never been in one. Must have been one of the leftovers to charge only $10
     
    aggrex, Jul 21, 2020
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  4. Jul 21, 2020 at 8:57 PM
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    Jim Beam

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    Jim Beam Well-Known Member

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    The first thing I would suggest would be to check on the firewall and rear of engine would be a disconnected vacuum line from the engine. The switching mechanism for the hvac unit is controlled by engine vacuum, so I think somehow it got disconnected.
     
    Jim Beam, Jul 21, 2020
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  5. Jul 30, 2020 at 11:00 AM
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    Maggman

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    Maggman [OP] New Member

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    All good thanks..
     
    Maggman, Jul 30, 2020
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  6. Jul 30, 2020 at 7:11 PM
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    aggrex

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    aggrex Well-Known Member

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    Did you do anything special to fix the problem? Curious as JGC owners on the average tend to have more comfort/tech issues than Wranglers.
     
    aggrex, Jul 30, 2020
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  7. Jul 31, 2020 at 1:02 PM
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    Maggman

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    Maggman [OP] New Member

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    Yes looked inside the cowling from the front of the engine and saw that the door for the recycled air is open when not in recycle mode and allows water to come into the cabin filter. From now on just using the recycle mode to be safe.
     
    Maggman, Jul 31, 2020
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    aggrex likes this.
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