I have an 87 FJ60 4 sp manual trans. I'm replacing radiator( which I've never done myself), and I see that there is what appears to be a transmission cooler just behind the grill and forward of the actual radiator. I'm the 2nd owner and the original guy is a friend of mine who kept it all stock. My question is do I need to remove this? Or does it actually connect to the trans? Or basically why is it even there if this is a stock truck w/ a manual 4 speed tranny? Very confusing to me and I can't find any info about it, even on this site.