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Oil Filter Front Freeze Plug Leaking When Cold

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Bank79, Feb 12, 2021.

Feb 12, 2021 #1
Bank79 Bobtail Member

30

6

Feb 9, 2021

Denver

0
Leaking from here, a slow Coolant drip when cold and stops when Truck is warm. This a freeze plug? What’s the fix. Responses and experiences much appreciated.
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Last edited: Feb 12, 2021

Bank79, Feb 12, 2021

Bank79, Feb 12, 2021

#1
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Feb 12, 2021 #2

Goodysnap Road Train Member

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Jul 12, 2017

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If coolant its leaking its more likely coming from the oil cooler o ring above it. Very common. You can reseal the front without pulling the cooler.

Goodysnap, Feb 12, 2021

Goodysnap, Feb 12, 2021

#2

Heavyd and 062 Thank this.
Feb 12, 2021 #3

Bank79 Bobtail Member

30

6

Feb 9, 2021

Denver

0

It is coolant. That’s good to know seems like The large Cooler o-ring is the culprit.

Bank79, Feb 12, 2021

Bank79, Feb 12, 2021

#3