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Coolant leak

Tiny
WHITLEY NEVIS
  • MEMBER
  • 2003 FORD EXPLORER
  • 4.0L
  • 6 CYL
  • 2WD
  • 172,000 MILES
My antifreeze seems to leak out only when I am driving. It does not leak out when the car is off. If I drive the car for a few miles two days in a row then by the end of day two the antifreeze is all gone. When the car was running hot while I was driving it was making a hissing noise not sure the problem. I also put liquid copper in the radiator about a week and a half ago because my radiator was losing coolant but it was losing it like once a month now it is more frequent.
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Tuesday, March 6th, 2018 AT 1:55 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening.

The sealers do not work. They tend to clog up the radiator and the heater core.

The system will need to be pressure tested to find the source of the leak. Once that is determined, then repairs can be made to correct the leak.

The hissing is the cooling system leaking.

Roy
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Tuesday, March 6th, 2018 AT 3:17 PM
Tiny
WHITLEY NEVIS
  • MEMBER
  • 4 POSTS
Okay thank you. I will see about getting it tested.
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Tuesday, March 6th, 2018 AT 3:33 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Sounds good. Let us know if you have any other questions.

Roy
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Tuesday, March 6th, 2018 AT 3:46 PM

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