HEATER CORE CLOGGED

  • Tiny
  • chris9979
  • 1983 Mercury Marquis
  • V8
  • 2WD
  • automatic
  • 200,000 miles

How to replace a heater core on a 83 mercury marquis? I looked at a manual and it did not give much info but had 3 different ways. One was from under the hood removing the a\c, the other was removing the dash, and the other didn't apply it was for a car without a/c. Just wondering what I have to do. Either go through the dash or under the hood?

Tuesday, December 7th, 2010 AT 4:11 PM

1 Answer

  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

From under hood remove heater box will be a screw from pass side under dash holding heater box

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Tuesday, December 7th, 2010 AT 4:30 PM

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