Drove through allot of water, what do I need to lube?

Naveronski.. I appreciate the corrections.

 

True, it only takes about 5 min to change it. Just make sure to warm it up first.

 

It is easy to change, but that shit stinks. My garage stank for a few weeks after changing front and rear diff fluid on my last tacoma.

 

Rear diff breather mod is cheap (less than $20 if my memory serves me correctly) and only takes a half hour or so to do. I don't hit deep water much, but it's such an easy/cheap mod for the peace of mind. My .02