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1981 Cadillac EL Dorado replace heater core

Tiny
KOCOLID
  • MEMBER
  • 1981 CADILLAC ELDORADO
  • V8
  • FWD
  • AUTOMATIC
  • 55,700 MILES
Hi

I have problem with my heater core. I bought new one and I don't know how I replace this. Must I remove heater block or exist same trick. Thanks (sorry for my bad english I'm from europe)
Wednesday, September 30th, 2009 AT 4:43 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
REMOVAL & INSTALLATION:

Drain the cooling system.
Remove the heater hoses from the core nipples. Plug the core nipples.
Remove the instrument panel top cover.
Remove the four defroster nozzle attaching screws at the cowl and the screw on the case, then remove the nozzle.
Label and disconnect the vacuum hoses.
Disconnect the electrical connector at the programer.
Under the hood, remove the heater case to cowl attaching screws.
Under the instrument panel, remove the heater case-to-cowl attaching screws.
Remove the heater case.
Remove the four case-to-core screws and remove the core.
To install, reverse the procedures above.


https://www.2carpros.com/forum/automotive_pictures/261618_1_43.jpg

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Wednesday, September 30th, 2009 AT 7:55 PM

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