2006 Sierra

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Jun 30, 2006 | 11:58 PM

DennisB

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Joined: Jun 2006

Posts: 3

2006 Sierra

I'm looking at purchasing a 2006 Sierra 2500HD Duramax/Allison. I wondered if anyone knows if there is a break-in period before I should/can tow my 5th Wheel?

Jul 2, 2006 | 05:52 AM

Chewy

Joined: Jul 2006

Posts: 10

RE: 2006 Sierra

yes, i would say get at least 1000 miles on it first.

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