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Thread: Heater core replacement easier?

  1. #11
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    Quote Originally Posted by Cobrajet View Post
    My plan when I do this is to remove the driver's seat, remove the jack, and lay down pillows. LOTS and LOTS of pillows.
    From my experience it helps to remove the gas pedal, that an easy task.



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    Cobrajet (10-19-2021)

  3. #12
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    Quote Originally Posted by foama View Post
    @ Daox: With your experience, do you think it can be done without even removing the heater box from the firewall? Sort of sliding the core out in situ?
    It has been a while, but I do think it is possible.
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  4. #13
    I pulled the core out this way on a Mirage I was scraping. Dash and heater box weren't removed. I've got a bunch of cars I have to bring in and strip out to make room outside. Will give it another go if I have the time.
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  5. #14
    Senior Member Cobrajet's Avatar
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    Quote Originally Posted by Daox View Post
    It has been a while, but I do think it is possible.
    I have looked under the dash with the cover removed to size this idea up. There are a couple brackets and one small control box that definitely need to be moved out of the way in order to slide the core out of the heater box. The only other things I would be concerned about are the brake pedal and the intermediate steering shaft...depending on just how long the core is.

    Of course, if you have to pull the whole dash to get to the core these two things will likely need to be removed anyway...plus a LOT more.

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    mohammad (10-20-2021)

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    Quote Originally Posted by Cobrajet View Post
    Agreed. It seems that perhaps the core you showed wasn't intended to make installation easier, but rather just came as a some-assembly-required version of the cores that already come in these cars? Or does the description of this core make mention of it's ease of installation?

    The only thing I would be worried about with regard to crimping the tubes back onto a factory or aftermarket replacement core is the amount of space under the dash required to successfully accomplish it.
    Its more likely done like this to make the box the product ships in substantially smaller. If you look at top fuels photo of the OEM setup that would need a huge box compared to what foma has shared with us where the metal hoses can be laid ontop of the core for shipping in a small flat box.

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    Quote Originally Posted by mohammad View Post
    Its more likely done like this to make the box the product ships in substantially smaller. If you look at top fuels photo of the OEM setup that would need a huge box compared to what foma has shared with us where the metal hoses can be laid ontop of the core for shipping in a small flat box.
    Agree! Probably the same core fits plenty of other cars, just different tubes on our's.

    A positive side effect is that removable pipes make replacement much easier. The gas pedal should be put out of the way for access, just one nut, one connector.

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    Heater core

    Quote Originally Posted by Top_Fuel View Post
    I was reviewing the pics in the DIY Heater Core Replacement thread to remind myself what a nightmare this job would be.

    I wonder if this guy used something similar. I remember when he posted telling us that you didn't need to remove the dash and he could replace a Mirage heater core in 90 minutes. Of course he never came back to share any useful details.
    This guy you tell,he has right about not remove the dash
    Look my mirage i replace yesterday the heater core
    Name:  20220113_110913.jpg
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  10. The Following 5 Users Say Thank You to domisvo For This Useful Post:

    Cobrajet (01-14-2022),foama (01-14-2022),mohammad (01-14-2022),precisionxt (01-12-2024),Top_Fuel (01-15-2022)

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