bleeding coolant

I have an 02 piagio porter with a LDW 1404 diesel engine . I have heard that the coolant system needs bleeding after putting in anti freeze is this correct and can any one advise thanks

Hi Kellyman. If you haven't managed to bleed your Lombardini Diesel yet then please email me your mobile number and I will put you in my Contacts list and then you can call me back and I will explain the sequence step by step. I have Call Blocker in place so unless you are in my contacts list your call is automatically terminated. My email address is hi.jetmaniow@gmail.com and number to call me on is 0786 303030 9 when you are in my contacts list. Woody.