ALL Fluids........................Tranny,Diffs,Oil,Che ck Brake fluid color.....
Spark Plugs.........ALL OF THEM..........................
Air Filter...................
PCV........................
Fuel Filter................
Check all your hoses for a "Spongy" feeling........If so replace them......................


Also, OVERLOOKED BY EVERYONE IS THE GOOD OLD SPARE TIRE.........DROP YOUR SPARE AND INSPECT IT IF IT NEEDS REPLACING DO SO...........Make sure the cable system works, and Lube the cable system.