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Location of freeze plug

Tiny
LEEROY ZINK
  • MEMBER
  • 2005 CHEVROLET TAHOE
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 175,656 MILES
I noticed a leak coming out of a freeze plug was wondering how many it has? And what plugs to use?
Monday, January 27th, 2020 AT 11:31 PM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

There are 4 on the block. 2 on each side.

I attached the parts as they are made of brass.

The access is not that easy but will require moving things to gain access.

I would replace all 4. If one is leaking the others are not far behind. They leak from rusting from the inside out due to excessive corrosion from the cooling system.

Roy
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Tuesday, January 28th, 2020 AT 2:34 AM
Tiny
LEEROY ZINK
  • MEMBER
  • 4 POSTS
Mine are on the front and back side of the block. Does that make a difference on what freeze plugs to use?
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Tuesday, January 28th, 2020 AT 2:54 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, it does not.

They take the same style plug.

A footnote. Do not use a rubber plug. They never hold and will fail and blow out of the block.

Roy
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Tuesday, January 28th, 2020 AT 2:56 AM
Tiny
LEEROY ZINK
  • MEMBER
  • 4 POSTS
To repair the back plugs would I need to remove the motor?
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Tuesday, January 28th, 2020 AT 4:54 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I would remove the transmission. It is easier.

https://www.2carpros.com/articles/transmission-replacement-removal-manual

Roy
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Tuesday, January 28th, 2020 AT 5:00 AM
Tiny
LEEROY ZINK
  • MEMBER
  • 4 POSTS
Can it be done without moving the transmission or motor?
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Tuesday, January 28th, 2020 AT 5:04 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, one or the other must be removed to gain access.

Roy
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Tuesday, January 28th, 2020 AT 8:33 AM

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