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Coolant leak thermostat housing?

Tiny
ERNS210
  • MEMBER
  • 2004 FORD EXPLORER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 107,000 MILES
I have a coolant leak that wont stop moving.I have replaced the thermostat, the thermostat housing, radiator, waterpump and hoses and I still have a leak behind the pump. What could it be? And how do I fix it
Wednesday, July 21st, 2010 AT 10:16 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
More then likely you have a distortion on the mating surfaces so what I would do is remove the gaskets and replace them with gray RTV.

Here is a guide that will help with replacing the water pump and thermostat again which is what you need to do in order to replace the gaskets:

https://www.2carpros.com/articles/water-pump-replacement

https://www.2carpros.com/articles/replace-thermostat

Below you will find the process from the manual which will help with the detail.

Let us know if you have other questions. Thanks
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Tuesday, July 13th, 2021 AT 6:02 PM

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