2013 Silverado started getting high engine temperature this morning while idling for about 30 minutes. Its under warranty 26000 miles, but I worry like crazy from bad experiences in the past.
make sure the coolant level is full. if it is under warranty, don't wait take it to the dealer. overheating engines can cause lots of problems. also, if it is losing antifreeze, you are going to need to know why.
Take it to the dealer ASAP.
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