Coolant Steam coming thru AC dash vent
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Coolant Steam coming thru AC dash vent in Past Cadillac Vehicle Discussion; Was driving and engine hot came on the IC Then steam jus blast thru the vents Put more coolant but ...
  1. #1
    SUPER LAC DEVILLE's Avatar
    SUPER LAC DEVILLE is offline Cadillac Owners Enthusiast
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    Coolant Steam coming thru AC dash vent

    Was driving and engine hot came on the IC

    Then steam jus blast thru the vents

    Put more coolant but it seems to jus disappear

    What do I do???


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  3. #2
    CadillacLuke24's Avatar
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    Re: Coolant Steam coming thru AC dash vent

    Deleted. Bogus info.

  4. #3
    SUPER LAC DEVILLE's Avatar
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    Never heard coolant coming thru the AC vents when the HG go

    Are u sure its not some hose I gotta get to behind the dash or in the engine???


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  5. #4
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    NOTHING to do with HGs!

    Your heater core has ruptured.
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  6. #5
    SUPER LAC DEVILLE's Avatar
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    Quote Originally Posted by MoistCabbage View Post
    NOTHING to do with HGs!

    Your heater core has ruptured.
    The black box under the dash we talked about months ago

    Can I replace

    Jus direct me to the area so I know what to look at please


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  7. #6
    basscatt's Avatar
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    Re: Coolant Steam coming thru AC dash vent

    Quote Originally Posted by SUPER LAC DEVILLE View Post
    Was driving and engine hot came on the IC

    Then steam jus blast thru the vents

    Put more coolant but it seems to jus disappear

    What do I do???


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    -------------------------
    YEP - like MC said -
    you blew the heater core -

    since you are in Florida - I doubt you need heat -

    what I would do if I were you -
    bypass the heater core - and forget about it - for a while at least -

    to bypass the heater core -
    locate the 2 heater hoses going through the firewall -

    pull the hoses off the pipes of the heater core -

    join the 2 heater hoses together -

    ------------------
    to join the heater hoses -
    you could get one of the old style "flushing "T" kits -
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  8. #7
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    Quote Originally Posted by basscatt View Post
    -------------------------
    YEP - like MC said -
    you blew the heater core -

    since you are in Florida - I doubt you need heat -

    what I would do if I were you -
    bypass the heater core - and forget about it - for a while at least -

    to bypass the heater core -
    locate the 2 heater hoses going through the firewall -

    pull the hoses off the pipes of the heater core -

    join the 2 heater hoses together -

    ------------------
    to join the heater hoses -
    you could get one of the old style "flushing "T" kits -
    Thanks

    I think I see the two hoses

    Not sure how to get them off tho

    ................
    Edit

    The two hoses are on the passenger side???


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    Re: Coolant Steam coming thru AC dash vent



    Now I know
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    SUPER LAC DEVILLE's Avatar
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    Am I disconnecting the right hoses thoAttachment 126689

    These with the clamps I can't get to




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  11. #10
    basscatt's Avatar
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    Re: Coolant Steam coming thru AC dash vent

    Quote Originally Posted by SUPER LAC DEVILLE View Post
    Thanks

    I think I see the two hoses

    Not sure how to get them off tho

    ................
    Edit

    The two hoses are on the passenger side???


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    -------------------------
    The two hoses are on the passenger side???
    CORRECT - about the size of regular garden hose -

    should have clamps on the ends -

    release the clamps - and twist the hoses -

    usually you must be very careful removing the hoses -
    so you don't damage the heater core -
    that just doesn't matter in your case -

    in fact - if the hoses are too tough to get off -
    you could just cut them off - what's the difference -

    you just need to join the two hoses together -



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  12. #11
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    Re: Coolant Steam coming thru AC dash vent

    Quote Originally Posted by basscatt View Post
    -------------------------
    The two hoses are on the passenger side???
    CORRECT - about the size of regular garden hose -

    should have clamps on the ends -

    release the clamps - and twist the hoses -

    usually you must be very careful removing the hoses -
    so you don't damage the heater core -
    that just doesn't matter in your case -

    in fact - if the hoses are too tough to get off -
    you could just cut them off - what's the difference -

    you just need to join the two hoses together -




    thanks so much

    sometimes I could jus hug you

  13. #12
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    Re: Coolant Steam coming thru AC dash vent

    Glad I was a little late to this party.
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  14. #13
    basscatt's Avatar
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    Re: Coolant Steam coming thru AC dash vent

    Quote Originally Posted by SUPER LAC DEVILLE View Post
    thanks so much

    sometimes I could jus hug you
    --------------------------------

    a simple "THANKS" will do nicely -

  15. #14
    SUPER LAC DEVILLE's Avatar
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    Quote Originally Posted by basscatt View Post
    --------------------------------

    a simple "THANKS" will do nicely -
    THANKS

    LOL!!!

    Also,

    What are these clamps called ?
    So I can get two when I get the kit...

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  16. #15
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    Hose clamps.

    They're included.

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