Section 5 - Maintenance
Page 68 90-8M0074347 eng OCTOBER 2012
1. Remove the cap from the thermostat housing and observe the fluid level.
2. The coolant level in the thermostat housing should be at the bottom of the filler neck. If the coolant level is low, contact
your authorized Mercury MerCruiser dealer.
3.
Check the antifreeze concentration for adequate freeze protection and correct if necessary. Refer to the Specifications
section.
4. Install the cap onto the thermostat housing.
IMPORTANT: Always tighten the pressure cap until it seats on the filler neck.
5. With the engine at normal operating temperature, check that the coolant level in the coolant recovery bottle is between the
"ADD" and "FULL" marks.
6102
6. Add the specified fluid as necessary.
Tube Ref No.
Description Where Used Part No.
122
Extended Life Antifreeze/
Coolant
Closed Cooling System 92-877770K1
Filling
NOTICE
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.
NOTICE
Without sufficient cooling water, the engine, the water pump, and other components will overheat and suffer damage. Provide
a sufficient supply of water to the water inlets during operation.
To Next Page
Loading...
Need help?
General