Heater Core Replacement
- Replacement heater core
- Hose clamps
- Fluid catch basin
- Socket set
- Wrench Set
- Screw driver set
- Protective eyewear and clothing
Begin with the vehicle on level ground, engine cold, with the emergency brake on. Step 1 - Locate and remove the negative battery cable, move the cable end far enough away to avoid an accidental connection.
Negative Battery Cable Removal
Draining Engine Coolant Step 3 - Some vehicles utilize a common plenum for both heater core and A/C evaporator core, these types will require the refrigerant be evacuated from the system, once evacuated, disconnect heater hoses and necessary A/C equipment.
Evacuating Refrigerant Step 4 - Using the hose clamp removal tool, loosen and remove the heater hoses from the heater core inlet and outlet fittings.
Remove Heater Hoses Step 5 - After the heater hoses have been removed, locate and remove upper dash mounting screws. Remove any mounting hardware across the top of the dash assembly, which is usually covered by pop-in trim pieces along the base of the windshield.
Removing Dash Mounting Screws