CHANGE HEATER CORE

  • Tiny
  • Anonymous
  • 1986 Pontiac Fiero
  • 2,500 miles

Change heater core

Friday, October 19th, 2012 AT 2:29 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Disconnect battery negative cable. Drain cooling system. Disconnect wires at heater relay, heater blower resistor, blower switch connection, heater ground strap and forward courtesy lamp socket (if equipped). Remove windshield washer reservoir.
Disconnect heater hose from heater core and plug hose and core openings. Remove heater core opening grommets. Remove attaching screws and remove heater case cover. Remove heater core retainer. Remove heater core. To install, reverse removal procedure-Sorry no pics

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Monday, October 22nd, 2012 AT 6:27 AM

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