2004 Yukon slt heater issue
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CF Beginner
Joined: Jan 2020
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2004 Yukon slt heater issue
Hello guys, I am new here, recently bought a 2004 Yukon ans I'm having this issue. When at idle the heat is cold but when I accelerate it warms up. Doesn't get hot just warm. I checked and the coolant is full. Can this be a thermostat issue?
CF Monarch
Joined: Jul 2011
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From: kevinkpk
"Can this be a thermostat issue?" Yes.
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