Rear end swap
is ur truck 4x4? if so then u have to make sure they are the same gear ratio if its just 2wheel then u should have no problem
Since the C2500 is a two wheel drive, the only issues you may run into are: Rear wheel offset, park brake cables, leaf Ubolt clamps and rear universal joint. Just measure everything up carefully prior to swapping. If the diff ratio is different, you'll need to replace the DRAC module (by the ECM) to correct the speedo.
the 2500 hd and the 3500 both use 14 bolt corp axles some 2500hd trucks use a semi floater if the if they both have the full floater axle they are the same rear end and really is a waste of time to swap unless one has a lower gear the pic is a full floater if your truck has one of these they are the toughest rear end gm ever made and is no point in changing it. if it dosent have the stick out like the pic follow Lyndon advice
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