Heater and evaporator housing — removal and installation

Special tool

	Coolant Hose Clamp Remover/Installer 303-397 (24-003)
	5/8" spring lock coupler puller (black color) 412-081 (34-003)

Withdrawal

Vehicles with air conditioning

1. Drain the refrigerant from the air conditioning system. See Section 412-00 for more information.

All cars

2. Drain the coolant from the cooling system. See Section 303-03 for more information.

3. Using the special tool, disconnect the coolant hoses from the heater body.



4. Lower the car.

5. Remove the instrument panel. See Section 501-12 for more information.

6. Using the special tool, disconnect the refrigerant lines from the evaporator core (discharge piping shown from below).

• Discard O-rings of circular cross-section.

7. Turn out the left and right bolt of fastening of an internal cross beam. Remove the plugs.




8. Remove the right air ducts.



9. Turn out the right bolts of fastening of an internal cross beam.

• Unclip the wiring harness from the inner cross member.

10. Remove the left air ducts



11. Disconnect the central connection box (CJB) from the inner cross beam.




12. Turn out the left bolts of fastening of an internal cross beam.

• Unclip the wiring harness from the inner cross member.

13. Remove the air duct.

• Unclip the wiring harness from the inner cross member.

14. Remove the left and right bracket of the inner cross beam (right side shown).

• Push the inner cross beam back.

15. Remove the rear footwell ventilation ducts.



16. Unfasten the wiring harness from the heater body.



17. Turn out a nut of fastening of the case of a heater from outside the passenger.



18. Turn out a nut of fastening of the case of a heater from outside the driver.




19. Turn out the right nut of fastening of the case of a heater.



20. Remove the heater case.

• Turn out the left nut of fastening of the case of a heater.

Installation

All cars

NOTE: Procedure for complaints of poor interior ventilation or misted windows.

1. Remove facing of a back bumper. See Section 501-19 for more information.

2. Remove the forced air outlet cover (left side shown).

• 1. Press the locking clip on the exhaust air frame and unfasten the frame.
• 2. Press down on the inside of the forced air deflector.
• 3. Loosen the clip on the forced air outlet cover at the bottom and unfasten the cover.

3. Install a new forced air outlet cover.

4. Repeat steps 2 and 3 for the right side of the vehicle.

5.

NOTE: Install new O-rings on the refrigerant lines.

NOTE: Apply clean refrigerant oil to the O-rings on the refrigerant lines before installation.

To install, follow the removal procedure in reverse order.