Section 4 - Maintenance
90-8M0113924 eng DECEMBER 2015 Page 51
9. Stop the engine and allow the oil to drain into the oil pan for approximately five minutes with the boat at rest in the water.
Power‑Assisted Steering Fluid
Checking
1. Stop the engine and center the sterndrive unit.
IMPORTANT: If fluid is not visible on the fill cap dipstick, contact your authorized Mercury MerCruiser dealer.
2. Remove the fill cap from the power steering fluid reservoir and observe the level. The oil level should be at the full mark on
the dipstick.
a - Fill cap
b - Full mark (engine hot)
c - Full mark (engine cold)
d - Add mark
3.
Add the specified fluid if necessary. Refer to Filling.
Filling
1. Remove the fill cap and dipstick and observe the fluid level.
2. Add the specified fluid to bring the fluid level up to the proper level.
Tube Ref No.
Description Where Used Part No.
114
Power Trim and Steering Fluid Power-assisted steering system 92-858074K01
28
Dexron III Automatic
Transmission Fluid
Power-assisted steering system Obtain Locally
3. Install the fill cap and dipstick.
Changing
Power‑assisted steering fluid does not require changing unless it becomes contaminated with water or debris. Contact your
authorized Mercury MerCruiser dealer.
Closed Cooling System
Coolant Requirement
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.
NOTE: All factory‑installed closed cooling systems come filled with Extended Life Coolant. This antifreeze requires draining and
replacing every five years or 1000 hours of operation, whichever comes first. The color of this antifreeze is orange. Any "top‑off"
fluid used must be Extended Life Coolant.
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