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If the heater stopped working in a 2001 Chevy tracker do you have to replace core or blower motor both?

No, you don't have to replace *both* the heater core and the blower motor if the heater in your 2001 Chevy Tracker stopped working. They are separate components with different functions.

* Heater Core: This is a small radiator that heats the air. If the heater core fails, you'll get no warm air, even if the blower motor is working. A leak in the heater core is a common failure.

* Blower Motor: This is the fan that blows air through the vents. If the blower motor fails, you'll get no air at all, regardless of whether the heater core is working.

Troubleshooting steps are needed to determine the culprit. If you have no air at all, it's likely the blower motor or its related electrical components (fuse, resistor, switch). If you have air but it's cold, it points towards a problem with the heater core, thermostat, coolant level, or possibly a faulty blend door.

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