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VORTEC 8100

canuck

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canuck Enthusiast

canuck

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Posted

I am eating humble pie, for I have sinned by posting this in the wrong forum first, the "Heavy Duty" forum.  aaargh

 

So here is the post again and your help and suggestions would be much appreciated.

 

A friend of mine has a 2001 GMC Sierra 2500HD with the Vortec 8100 engine and Allison transmission. He currently has 30,000 + km (about 19,000 miles) on it and is quite pleased with his truck.

However, it is in the shop right now, with a cracked cylinder head. The crack is apparently near an exhaust valve.

 

He hopes that this incident is caused by an assembly problem during manufacture, rather than a problem that is symptomatic to the 8.1 litre engine.

 

I somehow doubt the assembly problem theory, since I think such a problem with a cracked cylinder head would manifest itself within the first few thousand miles, rather than at 19,000.

 

Does anybody have any comments and or suggestions? We would much appreciate it. Thanks.

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