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  1. Disconnect the negative battery cable.

  2. Drain the cooling system into a clean container for reuse.

  3. Remove the air cleaner and duct assembly.

  4. Remove the wiper linkage.

  5. Remove the heater hoses from the heater core.

  6. Remove the lower center console.

  7. Remove both instrument panel insulators.

  8. Remove the heater outlet module screws.

  9. Remove the heater cover.

  10. Remove the heater core mounting clip and line clamp screws.

  11. Remove the heater core.

  12. Install the heater core.

  13. Install the heater core mounting clip and line clamp screws.

  14. Install the heater cover.

  15. Install the heater outlet module screws.

  16. Install both instrument panel insulators.

  17. Install the lower center console.

  18. Install the heater hoses from the heater core.

  19. Install the wiper linkage.

  20. Install the air cleaner and duct assembly.

  21. Refill the cooling system.

  22. Connect the negative battery cable.

  23. Run the engine to normal operating temperatures; then, check the climate control operation and check for leaks.

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Q: Where is the heater core located and How do you replace it on a 2003 Chevrolet Venture?
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