how to remove/replace heater core? 95" fleetwood - Page 2
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, how to remove/replace heater core? 95" fleetwood in Past Cadillac Vehicle Discussion; I often tell the tale of my 57 Chevy's heater core. It started leaking a few years ago so I ...
  1. #16
    jamespowers is offline Cadillac Owners Connoisseur
    Automobile(s): 1986 Brougham, 1975 Eldorado, 2008 Escalade
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    Re: how to remove/replace heater core? 95" fleetwood

    I often tell the tale of my 57 Chevy's heater core. It started leaking a few years ago so I replaced it. It had the date stamped on it from the factory----1957! It lasted over 50 years without leaking! They really knew how to build them back then.

    pompste likes this.

  2. #17
    95Fleetwood is offline Cadillac Owners Member
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    Re: how to remove/replace heater core? 95" fleetwood

    Just wanted to thank those who contributed to this thread. When the new thermostat didn't bring back my heat, and flushing the heater core didn't make a difference, I decided to swap out the heater core. The whole job took about 2 hours, and you could bake cookies in the floorboards now!
    csbuckn, outsider and talismandave like this.

  3. #18
    Cadillac Giovanni's Avatar
    Cadillac Giovanni is offline Cadillac Owners Enthusiast
    Automobile(s): 86 DeVille (RIP), 89 Brougham D'Elegance, 95 FWB
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    Re: how to remove/replace heater core? 95" fleetwood

    Hate to bump an old topic, but to those who did this job... are the inlet and outlet pipes on the heater core supposed to be able to spin around? Seems odd to me, like you'd want a tighter seal there...

  4. #19
    CadillacPimpinNOLA is offline Cadillac Owners Connoisseur
    Automobile(s): 1995 Fleetwood 1968 coupe DeVille
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    Re: how to remove/replace heater core? 95" fleetwood

    yes thats normal, i know what you mean though

  5. #20
    phantom 309 is offline Cadillac Owners Member
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    Re: how to remove/replace heater core? 95" fleetwood

    This is a great thread,. i just removed the core today,.it was leaking in one corner,

    The MF bolt up behind the box,. right by the firewall etc,.I use a 90 deg 1/4" driver that came in some crappy little 1/4" set i had,.with a 7/32" 12 point socket,. and a boat load of patience,.
    I undid the front seast from its mounts and undid the elctrical plug,. then just moved the seat as far back to the back seat as i could, i didn't want to get involved with the cable that anchors the centre passenger seat belt,..
    After i huffed and puffed while twisted sideways with my leg hanging out the door killing my thigh etc,.I finally figured out that there are TWO spring clips with bolts etc,.
    Now i,m on the hunt for an AC DELCO replacement,. as the spectra ones seem very chintzy,.
    If i can't source on i,m going to put some epoxy around where the tubes are crimped in,.and they rotate etc,. very cheap chintzy replacement cores,.

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