Hi Jim,

It's no big deal, mechanically. Remove the radiator, discharge the
system (need to reclaim the freon to be legal - in most places),
disconnect the a/c lines, remove the bolts, pull it out. Replace in
reverse order. Evacuate the system (very important) and recharge.

The trick is the discharge/recovery/evacuation/recharge. You need
the equipment to do that.

Keith Hughes
'86 Westy TiiCo "Marvin"