2005 Chevrolet Express 3500 Q&A

2005 Chevrolet Express 3500 Question: overheating

overheated after a 3 hr trip last night, expansion tank is empty, still some anti freeze in the radiator. I've owned it for 2 yrs. and have occasionally smelled anti freeze but have found no evidence of a leak. No steam/smell from tail pipe either. -
Answer 1
I would get your car's cooling system really inspected, you have either have a leak or the engine is consuming it, both of which need repair. -
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A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.
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