If you do have to remove the alt, you don't have to drain the coolant.
I unbolted my PS pump and kinda twisted/moved it out of the way, and I was able to take tha alt out from the top.
I don't have A/C, so I don't know if that would make any difference. Don't think so though.
Todd


1986 Pickup extracab longbed "Woody edition"
SAS - 33's, 5.29's, lockright rear.

02 IS300 SportCross - my "DD"
94 2wd v6 extracab
04 Outback Wagon- wife's/family car