GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

valley cover.. crack or poor forging?

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Old Sep 28, 2011 | 12:35 PM
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Default valley cover.. crack or poor casting?

the crack looks superficial. it doesnt go through to the other side. would any of you be worried about reinstalling the cover with the crack as it is?
Attached Thumbnails valley cover.. crack or poor forging?-valleycover-002.jpg   valley cover.. crack or poor forging?-valleycover-001.jpg  

Last edited by slow.8; Sep 29, 2011 at 05:26 AM.
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Old Sep 28, 2011 | 02:18 PM
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I'd run it as is. Maybe lay a thin layer of epoxy just for peace of mind.
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Old Sep 28, 2011 | 04:40 PM
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^^^x2
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Old Sep 28, 2011 | 05:46 PM
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We see that quite often. If it is just superficial, you should be okay!
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Old Sep 28, 2011 | 05:51 PM
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Thats a crack, seen them leak there before. Install at your own risk.
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Old Sep 28, 2011 | 06:09 PM
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Looks to be a casting mark to me.. I would give it a shot..
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Old Sep 28, 2011 | 07:06 PM
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if you were in GA i have an extra one laying around you could have... i would run it though.
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Old Sep 29, 2011 | 05:28 AM
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forging.
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Old Sep 29, 2011 | 11:32 AM
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Originally Posted by slow.8
forging.
???..
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Old Sep 29, 2011 | 11:45 AM
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its called casting flash from the form when it was cast.... its not forged BTW... run it like it is....

you should see what a transmission case looks like before it is machined...
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