[vtirocz]

Originally Posted by SSDan

The way I read the manual and interpret the diagrams is that I should keep the upper tank completely full and the surge/overflow (lower tank) filled half way. A couple of years go the surge tank on mine was dry. I added coolant per the manual and have been good ever since.

This is what I recall as well.

Allez, read through that section of the owners manual. It goes into good detail and spells out exactly the procedure for adding coolant. I believe the bottom tank also has a cold fill line if you look closely.