Re: No Heat....now no Heater Core... - NCRS Discussion Boards

Re: No Heat....now no Heater Core...

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  • chris1977

    Re: No Heat....now no Heater Core...

    The heater core went last night when I pulled in the driveway from a run around the block. now I really have no heat.

    I am going to bypass the core for now until I get the time to embark on the fabled vette heater core replacement that everyone speaks so highly of.

    On that note, does anyone know if the 77 vette has the modern "trip switch" that will not let the A/C compressor turn on should their be insufficient refrigerant in the system? I am curious since the A/C compressor in my car does not kick on. I was thinking it could be this safety relay valve but I am not sure that it even exists on the car.
  • Jim T.
    Expired
    • March 1, 1993
    • 5351

    #2
    Re: No Heat....now no Heater Core...

    Heater core replacement may not be available from GM for your 77. Check out a parts store like Auto Zone and while you are there they can pull up on the computer a picture of you 77's air system and you can see if you have the cut-off switch in the air conditioner line. If you have one you should be able to see it lifting the hood. Heater core replacement is not that difficult if you have patience. My C4 car was more work than my air conditioned C3.

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