ION L4-2.4L (2007)
4. Unsnap and open the passenger compartment filter door.
5. Remove the lower HVAC case screws.
6. Remove the lower HVAC case.
7. Remove the evaporator core.
Installation Procedure
1. If replacing the evaporator core, add polyalkylene glycol (PAG) oil to the evaporator core. Refer to Refrigerant System Capacities.
2. Install new seal washers to the evaporator core fittings.
3. Install the thermal expansion valve (TXV).
Notice: Refer to Fastener Notice.
4. Install the TXV bolts.
Tighten the TXV bolts to 7 N.m (62 lb in).
