overheating

Asked by Jun 09, 2017 at 09:09 PM about the 2005 Ford Explorer

Question type: Maintenance & Repair

have an 05 explorer overheating took
thermostat out ran good for a few days
started overheating again changed fan ran
good about a month now its overheating
checked head gaskets not blown
what now

1 Answer
139,685

answered 2 years ago

Could be a bad water pump. The impeller on the water pump erodes away causing poor circulation. You would have to pull the water pump to check, but this is a common problem. Also the cooling needs to be purged from the air pockets whenever opening up, draining coolant from the system. Another cause you have not mentioned would be a plugged up radiator. A radiator flush would be in order to do, or replace it.

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