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1990 Buick Century heater core

Tiny
PR90BUICK
  • MEMBER
  • 1990 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 104,000 MILES
Car overheats when AC is on. Steam comes through vents into passenger compartment. I was told that it is probably the heater core. Where is this located in this car? How do you replace it? Will this be okay if I don't use the AC? What will happen this winter when I need heat and defrost if I don't get it fixed?
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Wednesday, May 27th, 2009 AT 4:56 PM

1 Reply

Tiny
JALOPYPAPA
  • MEMBER
  • 467 POSTS
The heater core is inside the ductwork below the glove compartment. You may be able to see how to remove panels to expose it. Two hoses attach to it from the engine through the firewall. You need to replace it now to prevent engine overheating.
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Friday, May 29th, 2009 AT 2:30 PM

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