Chevrolet Silverado Oil Cooler Replace/Remove

How To Install New Oil Cooler Lines On Silverado 2500hd With 6000 Engine? Says Question To Short ? So Do I Install New Line Front To Back Or...

I Am Trying To Replace The Oil Cooling Lines On The Pickup. When Feeding The New Lines, Where The Lines Split Seem To Catch On The Motor...

I Must Be Missing Something. Both Lines Loose, Which Way Does The Line Set Come Out, Front Or Back?? Thanks