Heat in a 1998 Tahoe 4door 4x4 5.7

Asked by Dec 01, 2016 at 05:54 PM about the 1998 Chevrolet Tahoe 4 Dr LT 4WD SUV

Question type: Maintenance & Repair

I have replaced the resistor, blend door motor, and
the heater core. It still will not blow hot even warm
air.

1 Answer

4,115

Is temperature reaching normal running temperature?, If not, replace thermostat. If it is, check to make sure there's coolant flowing through the heater core, a hose might be clogged up, restricting flow

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