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Hello,
873332


I was thinking about changing my differential fluids. Does anyone have any idea if the newest GMC 2500 gassers come with synthetic or a better gear oil mobile one synthetic?
 

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why the change on such a new vehicle? If it's leaking, bring it to the dealer.
 

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Mmm Sandwich
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Wait to the first service. Otherwise you are not gaining anything

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Also, check your manual. Should have service intervals for all fluids.
 
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