Genuine Toyota Tacoma Heater Core

Toyota Tacoma Heater Core Parts Questions & Answers

• Unit Sub-Assy, Heater Radiator
  87107-04030
  Q: How to remove the heater core assembly on Toyota T100,1995 through 2004 Toyota Tacoma and 1996 through 2002 Toyota 4Runner?

  A: To remove the heater core assembly, disconnect the battery's negative cable and drain the cooling system. In the engine compartment, disconnect the heater hoses at the firewall and push the rubber seal inwards. Remove the center console, glove compartment, radio, dash bezels, and instrument panel. Also remove the heater/AC controls and ECM without disconnecting connectors. Disconnect the control cables from the heater unit. Unbolt and remove the center and lower center ducts. Loosen the screws holding the heater tubes to the housing and pull out the heater core. Installation is the reverse of removal, and refill the cooling system.
• Unit Sub-Assy, Heater Radiator
  87107-04060
  Q: How to remove a heater core on 2005 through 2009 Toyota Tacoma?

  A: To remove the air conditioning/heater unit, first have the refrigerant recovered and disconnect the battery. Drain the cooling system and disconnect the heater hoses and refrigerant lines at the firewall. Remove the instrument panel, PCM, air conditioning amplifier module, and various ducts and brackets. Disconnect wiring harnesses and ground straps, then remove the reinforcement brace and the air conditioning/heater unit from the passenger compartment. Finally, remove the heater core from the underside of the housing. To install, reverse the removal steps and refill the cooling system, reconnect the battery, and check for leaks and proper system operation.