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01-31-2005, 11:04 AM
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#1 | |
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AF Newbie
Join Date: Jan 2005
Location: keller, Texas
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Anti Freeze Leak
I have a 98 Sonoma 2.2 that is leaking Anti Freeze from the Back of the engine on the drivers side. I thought is was a freeze plug that may have popped off. It looks like it is coming from a hole in the side of the engine right below the exaust manifold. I went to get a freeze plug and they wanted to sell me a metal cap. I did not get it because i did not see how that would stop a water leak. I am hoping it is not a blown head gasket. When you put water in, you can see it running out of the side of the engine. It is hard to see because of everything in the way.
Any help anyone can suggest would be greatly appreciated. |
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02-01-2005, 03:02 AM
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#2 | |
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AF -Advisor
 
Join Date: Sep 2003
Location: Sudbury
Posts: 13,565
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Re: Anti Freeze Leak
Sounds like the freeze plug is leaking bro.
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1995 Factory Blazer Service Manual for sale, PM if interested. |
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03-05-2005, 12:52 AM
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#3 | |
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AF Newbie
Join Date: Mar 2005
Location: Blackfoot, Idaho
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The only way to find the true leak is if you pressure test the cooling system. a lot of freeze plugs are metal, they are a pretty tight fit
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03-13-2005, 05:16 PM
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#4 | |
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AF Newbie
Join Date: Mar 2005
Location: Gray, Maine
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Head gasket
I had the same problem. Head gaskets are a common problem with these engines around 100k miles.
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03-13-2005, 05:23 PM
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#5 | ||
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AF -Advisor
Join Date: Sep 2003
Location: Sudbury
Posts: 13,565
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Re: Head gasket
Quote:
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1995 Factory Blazer Service Manual for sale, PM if interested. |
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03-13-2005, 05:39 PM
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#6 | |
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AF Newbie
Join Date: Mar 2005
Location: Gray, Maine
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Scene problem before
I shouldn't say common, but I have two other friends with the 4.3 vortec who both had this problem with there engine around 100k miles. Just an odd coincidence.
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03-20-2005, 09:53 PM
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#7 | |
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AF Newbie
Join Date: Mar 2005
Location: Modesto, California
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Re: Anti Freeze Leak
I don't now about common or not but I had a antifreeze leak on my 2.2 at about 85k and it was also the head gasket. Wasn't that bad of a job to change it out. I bought a complete kit and changed all of the valve stem seals while I had it off. Took a little under a day.
Jon |
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05-10-2005, 01:16 PM
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#8 | |
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AF Newbie
Join Date: May 2005
Location: Sacramento, California
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Re: Anti Freeze Leak
How does one go about pressure testing their cooling system to look for a leak?
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05-16-2005, 07:42 AM
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#9 | ||
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AF Enthusiast
 
Join Date: Jun 2003
Location: Pittsburgh, Pennsylvania
Posts: 3,549
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Re: Re: Anti Freeze Leak
Quote:
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  95 s10 Blazer, EGR Mod, ZQ8 Steering box mod, 99 Center console shifter mod and more... See everything at www.pghconsulting.net/teal |
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