Tools and Materials Needed:
- Replacement Heater Core
- Anti-freeze/Coolant
- Hose Clamps
- Phillips screwdriver
- Flat-head screwdriver
- Pliers
- Funnel
Step 1: Vehicle Preparation
1. Park the car on a level surface, and turn off the engine.
2. Allow the engine to cool down completely to avoid burns.
Step 2: Locate Heater Core
3. The heater core is typically located inside the passenger compartment, behind the center console or under the dashboard. In the 1962 Chevy Impala, it's likely positioned within the housing below the glove box.
Step 3: Disconnect Battery
4. Disconnect the battery's negative terminal to prevent electrical shock during the process.
Step 4: Drain Coolant
5. Locate the coolant drain cock, which is usually near the bottom of the radiator. Place a drain pan beneath to collect the coolant.
6. Open the drain cock and allow all the coolant to drain out.
Step 5: Remove Glovebox (If Necessary)
7. If needed, remove the glovebox to gain better access to the heater core. Refer to your vehicle's service manual for specific instructions.
Step 6: Disconnect Hoses
8. Disconnect the heater hoses from the heater core. Use pliers or a hose clamp removal tool to loosen the hose clamps.
Step 7: Remove Mounting Brackets
9. Locate and remove the mounting bracket that holds the heater core in place.
Step 8: Remove Old Heater Core
10. Carefully remove the old heater core from the housing. Be cautious as it may spill any remaining coolant.
Step 9: Clean Housing (Optional)
11. (Optional) You can clean the heater core housing to remove any debris or dirt. Make sure to let it dry completely before installing the new heater core.
Step 10: Install New Heater Core
12. Place the new heater core into the housing and secure it with the mounting brackets.
Step 11: Reconnect Hoses
13. Reconnect the heater hoses to the heater core and fasten the hose clamps securely.
Step 12: Refill Coolant
14. Refill the coolant through the radiator or coolant reservoir. Refer to your vehicle's owner's manual for the recommended type of coolant.
Step 13: Bleed Air Pockets
15. Start the engine and let it run for a few minutes with the heater on high to bleed any air pockets in the system. Check the coolant level again and add more if needed.
Step 14: Reconnect Battery
16. Reconnect the battery's negative terminal.
Step 15: Test Heater
17. Turn on the heater and check if hot air is blowing through the vents. If it's working correctly, you're all set!
Remember, this guide is general and may vary depending on the exact model and trim of your 1962 Chevy Impala. It's always recommended to consult your vehicle's service manual or seek assistance from an experienced mechanic if you're unsure about any step.