Altima 2.5 SL L4-2.5L (QR25DE) (2002)
Heater Core: Service and Repair
REMOVAL AND INSTALLATION
1. Remove heater and cooling unit. Refer to "HEATER & COOLING UNIT ASSEMBLY". See: Heating and Air Conditioning/Evaporator
Case/Service and Repair/Automatic Air Conditioner/Heater & Cooling Unit Assembly
2. Remove heater core pipe support screws and then remove it.
3. Remove heater core cover screws and then remove it.
4. Remove heater core.