Filling; January - MerCruiser Axius 350 MAG User Manual

1. Remove the cap from the heat exchanger and observe the fluid level.
2. The coolant level in the heat exchanger should be at the bottom of the filler neck. If the
coolant level is low, contact your authorized Mercury MerCruiser dealer.
3. Install the cap onto the heat exchanger.
IMPORTANT: When reinstalling the pressure cap, be sure to tighten it until it seats on the
filler neck.
4. With the engine at normal operating temperature, check the coolant level in the coolant
recovery bottle.
5. The coolant level should be between the "ADD" and "FULL" marks.
6. Add the specified fluid as necessary.
Tube Ref No.

Filling

Using propylene glycol antifreeze in the closed cooling system can damage the cooling
system or the engine. Fill the closed cooling system with an ethylene glycol antifreeze
solution suitable to the lowest temperature to which the engine will be exposed.

90-899883234 JANUARY 2008

a
a - Heat exchanger cap
Description
Extended Life Antifreeze/
122
Coolant
6102
Where Used
Closed Cooling System
NOTICE
Section 5 - Maintenance
6101
Part No.
92-877770K1
Page 79