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12-21-2022, 04:56 AM | #1 | |
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2010 HD intermittent overheating
GMC 2500 hd. Just never know when it will overheat. Might be weeks might be months. Sticking thermostat?
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12-21-2022, 09:14 AM | #2 | |
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Re: 2010 HD intermittent overheating
Welcome Aboard!
Lacking any details about how and when the overheat occurs, we can only guess. Presuming the level in the expansion tank is not dropping, and as random as the overheating occurs, a thermostat is a reasonable guess. Another potential cause might be a deteriorating lower radiator hose which can collapse under suction from the water pump, but that kind of thing typically only happens at sustained speeds, such as in highway driving. Another common cause of inconsistent cooling is air accumulation in the system, but that usually creates more consistent episodes of overheat.
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12-22-2022, 04:46 AM | #3 | ||
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Re: 2010 HD intermittent overheating
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