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Thread: Heater Core Advice?

  1. #1
    Join Date
    Sep 2014
    Location
    Tacoma
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    1

    Default Heater Core Advice?

    am about to replace the heater core in my '96 XJ (with AC). I have the heater core and am ready to begin, but have 3 questions before I dig in.

    1) How to I safely discharge the refrigerant in my AC system? Do I just go to a local repair shop and pay what they charge are are there cheaper and ethical options (I'm in WA).

    2) Are there seals in the AC system that I will need to repalce before putting it back together?

    3) What else should I replace while I'm in there? Blower motor? Evaporator?

  2. #2
    Join Date
    Sep 2009
    Location
    Chico, CA
    Posts
    29,847

    Default Re: Heater Core Advice?

    To do this legally, yes you need to have them evacuate it if it uses R12. R134A can be vented to the atmosphere. They will need to take it down to deep vacuum when you recharge regardless of which type. There is a seal you can replace on the crankshaft in the compressor if you want that is in the front. The rest are O rings and cheap that can be gotten at any decent auto parts store located at all fittings
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  3. #3
    Join Date
    Oct 2011
    Location
    S.E. Texas
    Posts
    29,260

    Default Re: Heater Core Advice?

    #3 yes the evaporator core is in the same assembly as the heater core so it is a good chance to replace it. Although it isn't cheap.

    Sent via messenger pigeon - i talk, he types.

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