Power-Assisted Steering Fluid-3.0 Mpi Ect; Checking; Filling - Mercury 3.0 MPI ECT Operation & Maintenance Manual

3. Install the crankcase oil pump onto the dipstick tube.
Crankcase Oil Pump
4. Insert the hose end of the crankcase oil pump onto an appropriate container and use the handle to pump until the
crankcase is empty.
5. Remove the pump.
6. Install the dipstick.
7. Remove and discard the oil filter.
8. Apply engine oil to the sealing ring on the new oil filter.
9. Install the oil filter following the filter manufacturer's instructions. Do not overtighten.
10. With the boat at rest in the water, remove the oil fill cap and add the specified oil to bring the level up to the OK range on
the dipstick. Check the oil level as you fill the system.
IMPORTANT: Do not overfill the engine with oil.
NOTE: Adding 0.95 L (1 US qt) of engine oil will increase the level from the add mark to the top of the OK range.
Engine Model
3.0 MPI 3.8 L (4 US qt)
11. Start and operate the engine for three minutes, checking for leaks.
12. 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.
13. Check the oil level and add more if necessary.
Power‑Assisted Steering Fluid—3.0 MPI ECT

Checking

1. Stop the engine and center the sterndrive unit.
2. Remove the fill cap from the power steering pump reservoir and observe the level. The oil level must be at the lower mark
when the engine is cold and at the upper mark when the engine is warm.
3. Add the specified fluid if required. Refer to Filling.
IMPORTANT: If fluid is not visible in pump, contact your authorized Mercury MerCruiser dealer.

Filling

1. Remove the fill cap and dipstick and observe the fluid level.
90-8M0113856 DECEMBER 2015
eng
Aids in the removal of engine oil without draining the crankcase.
11591
Capacity
Mercury/Quicksilver 25W‑40 Synthetic Blend Engine Oil, NMMA FC‑W Catalyst
Fluid Type
Compatible rated
c
b
a
32553
Section 4 - Maintenance
802889A1
a - Power steering pump reservoir cap
b - Warm full mark
c - Cold full mark
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