Skip to main content
Heater Unit/Core Replacement

SRS components are located in this area. Review the SRS component locations and the precautions and procedures before doing repairs or service.
  1. Except KZ, KP, and MA models:
    • From the inlet heater hose, remove the clip (A). Slide the hose clamps (B) back, then disconnect the inlet heater hose (C) and the outlet heater hose (D) from the heater unit. Engine coolant will run out when the hoses are disconnected; drain it into a clean drip pan. Be sure not to let coolant spill on the electrical parts or the painted surfaces. If any coolant spills, rinse it off immediately.

  1. Remove the mounting nut from the heater unit. Take care not to damage or bend the fuel lines or brake lines, etc.

  1. Disconnect the connector (A) from the evaporator sensor. Remove the wire harness (B).

  1. Remove the duct (A) and the drain hose (B). Remove the mounting nuts and blower-heater unit (C).

  1. Remove the self-tapping screws and the heater core cover (A).
  1. Except KZ, KP, and MA models; Remove the stay (B), grommet (C), and carefully pull out the heater core (D).
  1. Install the heater core, and the evaporator core in the reverse order of removal.
  1. Install the heater unit in the reverse order of removal, and note these items: