Created on: 2022-12-21
Sue explains how a clogged heater core might be holding your heat back, even if it's just one side!
Flat Blade Screwdriver
Phillips Head Screwdriver
Infrared Thermometer
Ratchet
Complete Metric Socket Set
Follow the step-by-step instructions in this video to learn how to replace the heater core on your 91-98 GMC K1500.