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How to Replace the Heater Core in a Chevrolet Silverado Pickup?

Model: Chevrolet Silverado MK 1 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Part: Heater core

See other generations:
Video tutorial

In this tutorial, you will learn how to replace the heater core in a Chevrolet Silverado pickup. This operation is very simple.

First, ensure the engine is completely cool, then open the hood, remove the cap from the expansion tank, and disconnect the lower hose to drain all the coolant from the system. Next, go under the passenger glove compartment, remove the indicated plastic cover, and take out the entire support.

At this point, just remove the radiator mounting bolts, disconnect the hoses, and pull it out of the housing.


Updated on 22 August 2026 by ScegliAuto


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by ScegliAuto

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