This recommended practice has been revised to include recommendations from the Task Force team formed during the 2017 Five-Year review:
Changed document type to Recommended Practice.
Reformatting the different heading levels to clearly identify the two main engine cooling systems this recommended practice is focused on: (1) Heavy-duty vehicles, industrial and (2) Automotive applications.
Added Reference SAE specifications in Section 2.
Defined in Figures 1 and 2 the different identification levels in a surge tank (pressurized) and reservoir tank (un-pressurized).
Minor changes have been made to clarify various parts of the document.