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Duramax DEF problems
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06-05-2019, 05:59 PM
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Snowhyt
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Join Date: Mar 2007
Location: Snohomish
Posts: 5
M.O.C. #6989
I had the def heater replaced on my 2015 Sierra 3500 about 3 years ago. It was covered under the recall.
No problems since then.
Snowhyt
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