Altima V6-3.5L (VQ35) (2003)
Heater Core Case: Service and Repair
Automatic Air Conditioner
REMOVAL
1. Discharge refrigerant from A/C system. Refer to "HFC-134a (R-134a) Service Procedure". See: Service and Repair
2. Drain coolant from cooling system. Refer to "Changing Engine Coolant".
3. Disconnect heater hoses from heater core pipes.
4. Disconnect refrigerant lines from evaporator.
5. Remove the instrument panel. Refer to "INSTRUMENT PANEL ASSEMBLY".
6. Remove the blower unit. Refer to "BLOWER UNIT". See: Housing Assembly HVAC/Service and Repair/Blower Unit
7. Disconnect mode door motor and air mix door motor connectors.
8. Remove the heater and cooling unit.
INSTALLATION
Install in the reverse order of removal.
NOTE: When filling radiator with coolant, refer to "Refilling Engine Coolant".
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Recharge the A/C system. Refer to "HFC-134a (R-134a) Service Procedure". See: Service and Repair