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General => Lounge => Topic started by: CougarSE on April 20, 2006, 01:16:53 AM

Title: I do have a crack in my firewall!
Post by: CougarSE on April 20, 2006, 01:16:53 AM
Dogcharmer pointed this out in my t5 swap thread, but I thought it was just a shadow or somthing. Well yesterday when I was cleaning up a bit, I got to looking at this and shure as shiznit I have a crack! I've never heard of anyone with this problem yet. My car isn't rusted underneith or anywhere . Just a six inch long crack that starts under the throttle cable and goes towards the tranny tunnel.
http://www.foxtbirdcougarforums.com/attachment.php?attachmentid=4978&stc=1&d=1135196039 (http://"http://www.foxtbirdcougarforums.com/attachment.php?attachmentid=4978&stc=1&d=1135196039")
 
Ok for some reason the picture wont show up,  only the  link.
Title: I do have a crack in my firewall!
Post by: MasterBlaster on April 20, 2006, 09:31:47 AM
Maybe it's my monitor, but it's so dark I can't see it.
Here's a much-brightened version.
Strange stuff indeed.
.
Title: I do have a crack in my firewall!
Post by: EricCoolCats on April 20, 2006, 09:44:44 AM
Bet you have a crack in your ass too... ;)
Title: I do have a crack in my firewall!
Post by: baxo on April 20, 2006, 11:19:32 AM
What are we, in Grade 1, Eric? ;)
Title: I do have a crack in my firewall!
Post by: Chuck W on April 20, 2006, 11:27:34 AM
Cut it out you two doo-doo heads... :p


Aside from welding it there isn't much you can do aside from perhaps drilling a small hole at each end of the crack to stop it's propagation.  Either is going to be difficult with the engine in the car though...and welding might be risky in that the inside of the car may catch fire depending on what's there.  A steady succession of spot welds might work and keep the overall heat down if you do it slow enough. 
It may be a good time to consider some chassis bracing.  The car may not be a powerhouse, but just general usage can cause cyclic failure issues....
Title: I do have a crack in my firewall!
Post by: JeremyB on April 20, 2006, 11:32:49 AM
3.8L strikes again!!!1!!
Title: I do have a crack in my firewall!
Post by: CougarSE on April 20, 2006, 01:49:12 PM
241,000 miles can do alot to a pile o steel.
Title: I do have a crack in my firewall!
Post by: JeremyB on April 20, 2006, 02:16:42 PM
Quote from: Chuck W
Aside from welding it there isn't much you can do aside from perhaps drilling a small hole at each end of the crack to stop it's propagation

A dremel with the flex attachment and a carbide tool might be able to put some holes at the end of the crack to end its path of destruction.

If you plan on never having it welded...some JB weld or appropriate epoxy would probably fix it too (after you drill the end holes).
Title: I do have a crack in my firewall!
Post by: Chuck W on April 20, 2006, 02:29:29 PM
Quote from: JeremyB
A dremel with the flex attachment and a carbide tool might be able to put some holes at the end of the crack to end its path of destruction.



True, that would work too
Title: I do have a crack in my firewall!
Post by: V8Demon on April 20, 2006, 04:23:52 PM
Like the others said- you need to stop-drill the crack before it gets any longer.  Do you have any idea what's going on behind the firewall?  Any stuff missing/out of place?
Title: I do have a crack in my firewall!
Post by: Mercoug302 on April 20, 2006, 04:31:05 PM
That happens pretty frequently with MN-12's and FN-10's. Usually after high mileage (frequent driving on bumpy roads, lots of jacking up on one side), playing Dukes of hazard, or an accident, and it's generally on the passenger's side of the firewall.
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