Jeep Renegade Cooling Fan???

Discussion in 'The Garage' started by ydarg, Feb 8, 2018.

  1. ydarg

    ydarg Miscreant

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    Any other ADV’ers have experience with a dead cooling fan on their FCA product with the 2.4 engine?

    Fiancé tells me the low coolant light briefly came on then the CEL came on. Pulled the code and it’s P0481, cooling fan relay.

    Topped off the degas bottle, was above the min mark. Tried to move the fan and it was frozen and would not spin....sliced the living hell out of my thumb. Opened up the electrical distro box and smell burned electric parts. The relay was definitely smoked but oddly the 20A maxi fuse did not pop.

    Drove it to the dealer this morning with the heat on and made sure it stayed cool. They say parts might be on backorder...yay.

    We shall see what happens.

    [​IMG]


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  2. ydarg

    ydarg Miscreant

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    Fixed under warranty. Apparently the original fans had sleeve bearings that took a dump easily and shorted the fan out; they had a bunch on national backorder late last year but are caught up now.

    New fan, new relay, new fuse. Good to go.
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  3. concours

    concours WFO for 44 years

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    "FCA product" ?
    "degas bottle" ?

    Please, help a guy out that used to have automotive knowledge....
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  4. VX Rider

    VX Rider Long timer

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    FCA= Fiat Chrysler America

    Degass Bottle = probably the coolant overflow tank
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  5. concours

    concours WFO for 44 years

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    "Degass Bottle = probably the coolant overflow tank" well, by context, I guessed like you. Just wondering where the term came from. I'd guess, too, that it looks like something in the military world, judging by abundance acro's.

    I don't stay very current anymore on marriages/divorces of auto groups.... there are so many. I ran out of fecks to give...:photog

    And yes, the fans & relays on Jeeps go off like flash cubes... er, strobe lights, um, firecrackers. Lowest bidder stuff. Traffic jams help.
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  6. ydarg

    ydarg Miscreant

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    I think (or thought) every vehicle made for at least the past 20 years has a degas bottle (a pressurized coolant reservoir) and figured everyone knew what those were. Nothing has a radiator cap on the radiator anymore.

    Not military. Work in technology, possibly the second most prolific user of TLAs [three letter acronyms]
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  7. tvpierce

    tvpierce Been here awhile

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    FWIW: Toyota still pressurizes just the radiator, not the reservoir.
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  8. concours

    concours WFO for 44 years

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    "degas bottle" translates to "pressurized coolant reservoir" how? Where?
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  9. beemerkid

    beemerkid Do you ADV

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    Well, I know at least Ford uses the term. Anyway, it's pressurized with the air gap under pressure too so air bubbles in the system come out easier.
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  10. BlueHeart

    BlueHeart Been here awhile

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    My first thought was, "coolant reservoir." My second thought was, "Ford owner, past or present." :thumb
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  11. ydarg

    ydarg Miscreant

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    Um...yes. Pressurized reservoir that allows gas (air) trapped in said cooling system to make its way to the highest point, an air gap at the top of the tank. Also serves as a reservoir. If this is foreign, some googling may help as they've been predominantly used for 20+ years now by pretty much every mfr (save for some Toyotas as pointed out).

    Yes to Ford owner also. They seem to be the only mfr that calls it what it is.
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  12. concours

    concours WFO for 44 years

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    LOL, I know the science, I have NEVER seen it referred to as a "degas bottle" in any service document.... please help with a screen shot from any automotive service document...
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  13. ydarg

    ydarg Miscreant

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    Do your own research. You're the one taking issue with it LOL
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  14. concours

    concours WFO for 44 years

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    No issue. That is all. :photog
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  15. ydarg

    ydarg Miscreant

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    Good stuff.
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  16. broncobowsher

    broncobowsher Long timer

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    First I ever heard of a degas bottle was the '95 mustang cobra R.
    Most everything uses a degas bottle now. Adding an air bubble to the top of the coolant softens the pressure rise as it warms up, an air coushion.
    High point(s) in the cooling system bleed into the bottle and there is a suction line on the bottom. Any air bubbles get filtered out, the coolant get degassed.
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  17. ydarg

    ydarg Miscreant

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    Just for the principal now, but I understand this is the internet where there are lots of people who have worked on X for however long and insist that something is BS and try to prove a point just because they haven't seen or heard of it before.

    Referred to as degas bottle and coolant reservoir for primary cooling system in owner's manual.
    http://www.fordservicecontent.com/F...-Supplement-version-1_60l6d_EN-US_02_2014.pdf

    Referred to as degas bottle in Ford service bulletin (old but easy to find).
    http://www.powerstroke.org/forum/at...d-tsb06-3-8-coolant-degas-bottle-overflow.pdf

    As I mentioned, for whatever reason Ford calls it what it is. FCA does not, but clearly uses them.
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  18. concours

    concours WFO for 44 years

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    I never said BS. Just trying to learn something.
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  19. ydarg

    ydarg Miscreant

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    You're never too old to learn something new :thumb
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