Operation CHARM: Car repair manuals for everyone.

Heater Core: Testing and Inspection

HEATER CORE INSPECTION
1. Inspect the heater core for damage, cracks and water leakage.
- If there is any malfunction, replace the heater core.

2. Visually inspect the fins for bending.
- If there is any bending, use the end of a fiathead screwdriver to straighten the fins.

3. Visually inspect the heater hose for deformation.
- Repair with pliers if there is deformation. If there is any malfunction, replace the heater core.