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Duramax Third Generation: 2006-2007.5 (LBZ & LLY) Discuss the third generation (2006-2007.5 LBZ & LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion also belongs in this forum due to the similarities of the 2006 LBZ and the 2006 LLY. Engine related discussion ONLY.

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Old 10-16-2009, 04:27 PM   #1 (permalink)
53J
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Question on the newer trucks

Iím looking into getting a newer truck and I have some questions. The injectors on the LB7 are hard to replace and expensive. Are the injectors on the LLY and LBZ still hard to replace?

Thanks

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Old 10-16-2009, 04:29 PM   #2 (permalink)
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they are easier to replace and it is very rare that there are problems with them.

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Old 10-16-2009, 04:47 PM   #3 (permalink)
53J
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You can just replace one at a time too right? I think thats what I have seen on here.
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Old 10-16-2009, 06:58 PM   #4 (permalink)
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You can replace 1 at a time on any truck.
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Old 10-19-2009, 11:04 AM   #5 (permalink)
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True... But I thought that on a LB7 you had to tear down most of the motor to get to them so you might as well do them all when your in there?

And on the LLY and newer they are external and you dont have to tear down much


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You can replace 1 at a time on any truck.
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Old 10-20-2009, 04:48 PM   #6 (permalink)
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I wouldn't do them all unless I had like 200K or more on them.
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Old 10-20-2009, 08:30 PM   #7 (permalink)
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On the LLY + the injectors are exposed. It was a major change they did they service them easier.
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