2005 GMC Yukon Repair Question
Topics covered: Heater, Heater core, Engine.
Mileage: 120,000 miles.
Mileage: 120,000 miles.
Asked on January 20, 2013
GMC Yukon Heater Problem
Heater ,will not work all the time,engine temp shows 208, heater hose hot on one side changed thermostat.
Answer
Replied on January 20, 2013
heater core is clogged. try flushing it otherwise the heater core has to be replaced.
Roy