How to replace front differential seal on 2007 4.7 toyota tundra

This is not easy....You will need air tools ,spray penetrate,seal remover,hammer,and Jack stands..Seal installation tool,.All proper tools..safety glasses.correct seal replacement.,new lock nut...Set park brake,block rear wheels,raise vehicle front and safely place jack stands under each side of lower control arms..Spray lube front drive shaft mounting hardware and lock nut that holds Yoke on front diff..Let it set to penetrate..put vehicle in neutral..Mark shaft to yoke location and direction perfectly because it has to be installed in perfect timing exactly how it was removed..,Remove drive shaft..Remove lock nut and yoke from front diff...You will have to hold yoke while removing lock nut because it will spin..PROTECT HANDS..( These can be VERY DIFFICULT to remove..Sometimes they have to be heated..You will need a yoke removal tool if it doesn't tap off with hammer...Mark exactly the yoke to spline location before removal..You can take close up photos however Mark it also to be sure...If you re-install it wrong it will vibrate terribly..Once yoke is removed You can remove seal.Make sure the new seal is correct...CAREFULLY..DO NOT DAMAGE SPLINES WHILE REMOVING..Sometimes even the perfect seal remover will damage splines..So cover it to protect spline threads..Clean all areas once seal is removed..Make sure nothing is pitted or damaged...Install new seal with installation tool..Lightly,perfectly tap it flush with diff..You can use old seal to install new seal if you don't have installation tool But only a pro should do that...Once in place Line drive shaft yoke with your marks and tap it on ..Use NEW LOCKNUT AND TORQUE IT TO SPEC..Install drive shaft as marked..torque to spec..Lower truck and check fluid..Complete..