1.
Remove the fill cap from the coolant recovery bottle. Inspect the gasket and replace if necessary.
IMPORTANT: Coolant flows at a high rate of speed in this closed cooling system. Higher idle speeds can trap air in the
system and make purge procedures more difficult. Operate at idle when filling the system or purging air.
2.
Fill to the full mark with the specified coolant.
Tube Ref No.
Extended Life Antifreeze/Coolant
122
3.
Check the antifreeze concentration for adequate freeze protection and correct if necessary. Refer to the Specifications
section.
4.
Install the fill cap to the coolant recovery bottle.
Changing
Contact your authorized Mercury MerCruiser dealer.
Transmission Fluid
Checking the Fluid Level Before Operation
IMPORTANT: Always check the fluid level before starting and operating.
1.
Loosen the dipstick by turning the T‑handle counterclockwise.
90-8M0128975
JUNE 2017
eng
Description
63IV dipstick, others similar
Where Used
Closed cooling system
61380
Section 4 - Maintenance
Part No.
92-877770K1
Page 35