What cause the hot coolant temp light to come on

Asked by Aug 28, 2013 at 10:06 AM about the 2005 Pontiac Aztek AWD

Question type: Maintenance & Repair

2 Answers

93,175

low coolant, radiator fan inoperative, plugged radiator internally or full of crud externally, blown head gaskets, just a few things to check.

1 of 1 people found this helpful.

including thermostat, water pump and belt tension, sending unit, to add to tennisshoes very good list to begin with. But the short answer is engine is overheating for those are the most common reasons

1 of 1 people found this helpful.

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