Heater Core Replacement
1983 CHEVROLET Full-Size Pickup
Heater Core Replacement Procedures
1983 Chevrolet Pickup
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Before you start removing your vehicle components, be sure you have your new heater core, heater hoses, clamps, coolant, and all other parts you will need for the job. Once you begin, you will not be able to drive the vehicle until the job is completed.
Before servicing the vehicle, please be sure to read all of the following precautions, which deal with personal safety, prevention of component damage, and important points to take into consideration when servicing a motor vehicle:
- Never open, service or drain the radiator or cooling system when the engine is hot; serious burns can occur from the steam and hot coolant.
- Only an MVAC-trained, EPA-certified automotive technician should service the air conditioning system or its components.
Heater Core Replacement
2. Drain the engine cooling system.
3. Remove or disconnect the following:
After completing the heater core replacement, make sure the following steps are done:
1. Install the heater hoses to the heater core.
2. Refill the cooling system.
3. Connect the negative battery cable.
4. Run the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
