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LB7 GM Duramax Discuss the 1st Generation Duramax here

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Old 03-11-2008, 12:45 AM   #1
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duramax with a knock......

whats it worth, 2004 LB7 with 170,XXX miles, complete oil pan to turbo, #4 rod is knocking, dont know if its a bearing, bent rod or cracked piston, has newer head gaskets and head studs......what is a good price...........
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Old 03-11-2008, 03:07 PM   #2
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Sure it's rod knock and not injector knock? Matt's sounded exactly like a rod knock but ended up being an injector tip.
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Old 03-11-2008, 03:12 PM   #3
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how do you know its the #4 rod.........?
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Old 03-12-2008, 11:10 AM   #4
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got started on ether cause of bad injectors.........

you can here it knocking on #3 or 4, more closely to 4.......
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