C1carguy Posted January 5, 2020 Share Posted January 5, 2020 My 2020 GMC 2500 HD Denali 6.6 Duramax diesel engine oil fill tube is two piece .........it is tight at the engine ....a little oil stained at the engine.....but....the tube at the center section can slightly move....no leak.....but loose. the truck has 1000 miles on it Can someone check theirs and see if this is normal please no oil has been added . Quote Link to comment Share on other sites More sharing options...
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