Protege DX L4-1489cc 1.5L DOHC MFI (1998)
Heater Core: Testing and Inspection
1. Remove the heater core from the heater unit.
2. Inspect for cracks, damage, and coolant leakage. If any are found, replace the heater core.
3. Inspect for bent tins. If any are bent, use a flathead screwdriver to straighten them.
4. Verity that the heater core inlet and outlet are not distorted or damaged. If the quick connector installation pant is damaged, replace the heater
core.