Overheating

Asked by GuruSBDXS May 24, 2019 at 02:25 PM about the 2006 Chevrolet Silverado 1500 1LT Extended Cab LB RWD

Question type: Maintenance & Repair

06 Chevy Silverado 1500 v8 5.3L is overheating.
Already replaced Thermostat and Water Pump.
Can’t find any leaks, no water in floorboard, so I
don’t believe it’s the heater core. Air is cool when
blown out of the heater

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