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Freeze/Expansion Plug gone bad?

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Old May 9, 2010 | 07:17 PM
  #1  
itsMikey's Avatar
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From: Scottsdale, AZ
Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
Axle/Gears: 3.23
Freeze/Expansion Plug gone bad?

at the last F-Body Empire meeting Captain_Camaro pointed out that i was leaking coolant...
my coolant has been disappearing from the res so this explains it..
when i first got my car 3 years ago, it had a blown freeze plug.
questions:
1. How many freeze plugs are there?
2. Where are they?
3. Where can i get them?
Mikey
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Old May 9, 2010 | 08:38 PM
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vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Freeze/Expansion Plug gone bad?

1. How many freeze plugs are there?
Eight
2. Where are they?
In the front , sides ( two behind engine mounts ) and the back behind flywheel .Plan on pulling the engine or trans
3. Where can i get them?
Any auto parts shop; std SBC plugs


Last edited by vetteoz; May 9, 2010 at 08:41 PM.
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Old May 10, 2010 | 02:07 AM
  #3  
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Re: Freeze/Expansion Plug gone bad?

I'd locate where exactly the leak is coming from first, should be easy enough to find.
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Old May 10, 2010 | 11:04 AM
  #4  
itsMikey's Avatar
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Joined: Apr 2009
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From: Scottsdale, AZ
Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
Axle/Gears: 3.23
Re: Freeze/Expansion Plug gone bad?

yea...when i got out of my bird at school this morning there was a puddle of coolant
ill have to check when i get home
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Old May 14, 2010 | 12:41 AM
  #5  
92RS(real slow)'s Avatar
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Joined: Sep 2005
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From: Osceola Indiana
Car: 92 RS(sold) 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: ones that turn
Re: Freeze/Expansion Plug gone bad?

word of advice never use one of the expanding rubber ones.....I used one to do a quick fix when my block heater started leaking long story short about a week later nailed it from a stop right and it shot out of there, and lost all my coolant in a matter of seconds
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Old May 14, 2010 | 12:08 PM
  #6  
itsMikey's Avatar
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Joined: Apr 2009
Posts: 2,852
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From: Scottsdale, AZ
Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
Axle/Gears: 3.23
Re: Freeze/Expansion Plug gone bad?

ouch...alright...so the brass ones??
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Old May 14, 2010 | 12:10 PM
  #7  
itsMikey's Avatar
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Joined: Apr 2009
Posts: 2,852
Likes: 2
From: Scottsdale, AZ
Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
Axle/Gears: 3.23
Re: Freeze/Expansion Plug gone bad?

anyone have a link to them??
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Old May 14, 2010 | 12:56 PM
  #8  
Sonix's Avatar
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Joined: Jul 2004
Posts: 10,763
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: Freeze/Expansion Plug gone bad?

They're super common - just search for freeze plugs.
Buy a kit for $8 or whatever, and some RTV (or preferably gorilla snot - ie 3m weatherstrip adhesive) and replace the one(s) that are leaking.
Enjoy - they are not easy to get to while the engine is in the car.
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