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2013 GMC Sierra 2500 HD SLE 6.0L Engine
Posted to GM Engine on 9/17/2025 14 Replies

Supposedly an easy straightforward fix especially an overheating issue. Not this one, its kicking my behind big time. I spent hours and hours of diagnosing the issue and fired the parts cannon multiple times and still no fix! This is a 13 GMC SIERRA 2500HD...

14 Replies Received (View Replies)

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car Vehicle Data

2013 GMC Sierra 2500 HD SLE

VIN 1GT12ZCG2D
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEngine
ConditionsOverheating
Open Help Request

car Vehicle Data

2013 GMC Sierra 2500 HD SLE

VIN 1GT12ZCG2D
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEngine
ConditionsOverheating