Power Trim Fluid; Checking - MerCruiser 496 MAG Owner's Manual

Section 5 - Maintenance
6. Remove the oil vent screw and sealing washer. Allow the oil to drain completely.
b
a
IMPORTANT: If any water drains from the unit, or if the fluid appears milky, the sterndrive unit is leaking. See your authorized
Mercury MerCruiser dealer.
7. Lower the sterndrive unit so the propeller shaft is level.
IMPORTANT: Use only Mercury/Quicksilver High Performance Gear Lubricant in sterndrive unit.
8. Fill the sterndrive unit through the oil fill and drain hole with specified gear lubricant until an air‑free stream of lubricant flows
from oil vent hole.
Tube Ref No.
High Performance Gear
87
Lubricant
9. Install the oil vent screw and sealing washer.
10. Continue to pump gear lubricant into the drive through the oil fill and drain hole until gear lubricant appears in the gear lube
monitor.
11. Fill the monitor so that the oil level is in the operating range. Do not overfill.
12. Ensure that the rubber gasket is inside the cap and install. Do not overtighten.
NOTE: Oil capacities include the gear lube monitor.
Bravo One
Bravo Two
Bravo Three (Single seawater pickup)
Bravo Three (Dual seawater pickup)
13. Remove the pump from the oil fill and drain hole. Quickly install the sealing washer and screw. Tighten securely.
14. Reinstall the propeller. Refer to Propellers.
15. Check the oil level after the first use.
IMPORTANT: Oil level in the gear lube monitor rises and falls during operation. Always check the oil level when the sterndrive is
cool and the engine is off.

Power Trim Fluid

Checking

IMPORTANT: Check the oil level with the sterndrive unit in the full down/in position only.
1. Place the sterndrive unit in full down/in position.
Page 66
mc77106-1
Description
Model
a - Oil vent screw
b - Sealing washer
Where Used
Sterndrive unit
Capacity
2736 ml (92‑1/2 oz.)
3209 ml (108‑1/2 oz.)
2972 ml (100‑1/2 oz.)
2736 ml (92‑1/2 oz.)
Part No.
92-858064K01
Fluid Type
High Performance Gear Lubricant
90-899883274 MARCH 2008