Removal/Replacement

SRS Main Harness Location:

CAUTION:
- All SRS electrical wiring harnesses are covered with yellow outer insulation.
- Before disconnecting the SRS wire harness, install the short connector on the airbag.
- Replace the entire affected SRS harness assembly if it has an open circuit or damaged wiring.

1. When the engine is cool, drain engine coolant from the radiator.

WARNING: Do not remove the radiator cap when the engine is hot: the engine coolant is under pressure and could severely scald you.

Heater Valve Cable Removal:

2. Snap open the cable clamp and disconnect the heater valve cable from the heater valve.

Heater Hoses:

3. Disconnect the heater hoses at the heater.

CAUTION: Engine coolant will damage paint. Quickly rinse any spilled engine coolant from painted surfaces.

NOTE: Engine coolant will run out when the hoses are disconnected, drain it into a clean drip pan.

Heater Unit Mounting Nut Removal:

4. Remove the heater unit mounting nut from the engine compartment side.

NOTE: When removing the nut, take care not to damage or bend the fuel pipes, brake pipes, etc.

5. Remove the dashboard.
6. Remove the heater duct, refer to Heating and Air Conditioning/Blower Motor/Service and Repair or Air Conditioning / Service and Repair / Evaporator.

Steering Wheel Column Bracket Removal:

7. Remove the steering column bracket.

Heater Unit Removal:

8. Remove the wire harness clip, two heater mounting nuts and heater unit.
9. Install the removed parts in the reverse order of removal, and:
- Do not interchange the inlet and outlet hoses.
- Loosen the bleed bolt on the engine and refill the radiator and reservoir tank with the proper engine coolant mixture. Tighten the bleed bolt when all the trapped air has escaped and engine coolant begins to flow from it.
- Connect all cables and make sure they are properly adjusted, refer to Adjustments / Cables.