Possible freeze plugs leaking from behind the alternator

Tiny
DANIEL2323
  • MEMBER
  • 1996 NISSAN MAXIMA
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 198,000 MILES
I have coolant leaking from behind the alternator and I think it's freeze plugs.
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Monday, November 2nd, 2020 AT 11:03 AM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Good afternoon,

There is a freeze plug behind the bracket for the alternator but the bracket needs to be removed.

https://www.2carpros.com/articles/radiator-pressure-test

Then you need to pressure test the system to confirm as it could be either that or a head gasket. The water pump drain is also there in case the water pump is the leak. That is why you need to pressure test the system.

I attached 2 YouTube videos for you to view as well.

https://www.youtube.com/watch?v=vnMOIwfseP8

https://www.youtube.com/watch?v=8DLLD-iHDPA

Roy
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Monday, November 2nd, 2020 AT 12:11 PM

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