Evaporator Core Repair Procedures

Replacement

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   After loosening the bolts, remove the main pad and the hood cross member assembly. (Refer to "Heater" - "Heater")
3. 3
   Remove the heater and blower assembly. (Refer to Heater - Heater)
4. 4
   After loosening the screws, separate the blower unit (B) from the heater unit (A).

   

   

5. 5
   Remove the lower fixing clip (A) of the heater unit.
6. 6
   Remove the lower heater cover (B) after loosening the mounting screws.

   

7. 7
   Pull out the evaporator core (A) from the heater unit.

   

8. 8
   Install in the reverse order of removal.

   A.	If installing a new heater core, add refrigerant oil (PAG oil).

   B.	Replace the O-rings with new ones at each fitting and apply a thin coat of refrigerant oil before installation. Be sure to use the correct O-rings for R-134a to prevent leakage.

   C.	Immediately after use, close the container with its cap to prevent moisture absorption.

   D.	Do not spill refrigerant oil on the vehicle; it may damage the paint. If refrigerant oil gets on the paint, wipe it off immediately.

   E.	Apply sealant to the bushings.

   F.	Check that there is no air leakage.

   G.	Charge the system and check that it operates properly.

   H.	Do not reverse the inlet and outlet heater hoses, and securely install the hose clamps.