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Offical: Porous Block Problem Thread

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Old 11-16-2011, 05:43 PM
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Offical: Porous Block Problem Thread
We need to start a nice thread where people list there porous issue and get an idea of what dates have the problem. Please NO CHATTING. just people that had the issue post up there info to keep the thread easy to read and clean. Ill start..


Mkulrey13
Car: 2009 Cobalt SS Coupe
Build Date: 9/2008
Mileage: 14,000MI

Cobalt_Daddy
Car: 2009 Cobalt SS Sedan
Build Date: 10/2008
Mileage: 36,000KM

Dayhoff35
Car: 2009 Cobalt SS Coupe
Build Date: TBD
Mileage: 9,000MI

SharkPuncher
Car: 2009 Cobalt SS Sedan
Build Date: 10/2008
Mileage: 43,000MI
Last edited by mkulrey13; 11-17-2011 at 08:44 AM.
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Old 11-16-2011, 09:25 PM
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Do you mean 9/2008 as your build date? If so then Fuckkk!! Thats when mine was built. Havent had an issue yet and have 40,000 miles on the car.
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Old 11-16-2011, 09:33 PM
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2009 cobalt SS turbo sedan.
porous block at 36,000km
build date 10/2008
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Old 11-16-2011, 09:35 PM
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Originally Posted by RYRO14
Do you mean 9/2008 as your build date? If so then Fuckkk!! Thats when mine was built. Havent had an issue yet and have 40,000 miles on the car.
Yes, ty was spacing

Updated first post, Thank you cobalt_daddy
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Old 11-16-2011, 10:01 PM
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The first thing to do would be to stop calling it a porous block...
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Old 11-16-2011, 10:03 PM
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dont know the build date off the top of my head but

2009 turbo coupe
hapened at 9,000 miles
ill get build date tomorrow
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Old 11-16-2011, 10:04 PM
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Originally Posted by Wangspeed
The first thing to do would be to stop calling it a porous block...
Reading > you

and thank you dayhoff, build date should be on door i believe.
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Old 11-16-2011, 10:07 PM
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Originally Posted by Wangspeed
The first thing to do would be to stop calling it a porous block...
Why does it matter? Its obviously cracked but most people on this site know it as a porous block.
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Old 11-16-2011, 10:19 PM
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Originally Posted by mkulrey13
Reading > you

and thank you dayhoff, build date should be on door i believe.
yeah i have the sheet too its just in the car all the way out in the garage lol
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Old 11-16-2011, 10:28 PM
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2009 cobalt SS turbo sedan
porous block at 43,000mi
build date 10/2008
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Old 11-17-2011, 08:45 AM
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Thank you shark, Ive updated the first post with your info!
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Old 11-17-2011, 03:16 PM
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welcome
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Old 11-20-2011, 11:38 PM
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Im going to go ahead and bump this up.
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Old 11-26-2011, 08:06 PM
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To The Top!
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Old 11-26-2011, 09:27 PM
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Old 11-27-2011, 12:15 PM
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This thread is scaring me lol.

I have a 2009 SS Coupe that's a 10/2008 model. I don't know how to tell where it was made, but no porus block yet. I have 18,850 miles as of now.
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Old 11-27-2011, 12:44 PM
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Where does the block crack or become porous? Is it a central location for everyone?

Reason I ask is because I had a similiar problem when my aftermarket filter sucked water into the motor. Insurance rebuilt the motor once, and it spun the #1 main bearing, the dealer rebuilt it a 2nd time under the assumption it was improperly done the first time, and it spun the same bearing and cracked the cylinder in the process.

They claimed the cylinder was cracked from the beginning, so there may be a weakspot in that section of the block.
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Old 12-08-2011, 07:09 PM
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bump
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Old 12-11-2011, 12:37 PM
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hate these threads... scary lol
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Old 12-28-2011, 10:43 AM
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Build date on mine is 08/08 hoping im safe lol
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Old 12-28-2011, 10:50 AM
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forgot about this, will get build date when i get home
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Old 12-28-2011, 02:51 PM
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Info is already looking good!
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Old 12-28-2011, 03:16 PM
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There has got to be a reason the LHU and LAF blocks are sandcast instead of lost foam. The LNF wasn't out long before they updated to the LHU.
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Old 02-20-2013, 06:59 PM
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i no this thread has been dead for awhile but does anyone have anymore information on this? im having this problem as well and now the dealer is giving me **** and doesnt want to fix it.
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Old 02-20-2013, 07:26 PM
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I am curious also. My build date is 11/08
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