Altima V6-3.5L (VQ35) (2003)
Heater Core: Service and Repair
REMOVAL AND INSTALLATION
1. Remove heater and cooling unit. Refer to "HEATER & COOLING UNIT ASSEMBLY". See: 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.