Originally Posted By: mechanicx
What Trav posted is spot on and the factory recommend method. It's pretty simple really and assures you don't under or overfill the system.
Ok then so say some one at one point in time added a extra oz here or there with out knowing how much is in the system presently,ok then one comes along like the OP and changes a component and looks at the chart, ok yea up 4 oz ok cool i'll add 4 ozs,boom over filled with oil.
factory recommend IS what you go by when working with new system empty or flushed system of oil, working with a unknown system like the OP was you reclaim,measure and replace only that amount.
read what "1." states.