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Discussion Starter #1
Anyone know of any know issues with the Turbo on these?
I have a 2105 Denali 3500 (SWD), bone stock and not driven hard, even when towing. Mainly used for towing 15,000 - 16,500 lb 5th wheel toyhauler. Had to have the turbo replaced at 9100 and 61000 miles, with codes something about the variable vanes in it.

Thanks,
Kevin
 

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Strange, turbos on these trucks usually aren’t an issue.

Do you use additives? That can cause vanes to gum up, depending on how much/what you use.


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Discussion Starter #3
I use no additives. Oil/filter replaced and gas filter replaced when DIC says by the dealer.
 
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