Mercury MERCRUISER - Transmission Removal

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8. Install the new O‑rings and filter element.

a - Filter element

b - Cover

c - O‑rings

NOTICE

Improper installation of the transmission fluid filter assembly may cause the fluid to foam or leak out, resulting in decreased

efficiency and damage to the transmission. Properly seat the transmission fluid filter during installation.

9. Install the fluid filter assembly in the transmission cavity by turning it clockwise and pushing at the same time.

10. Using a 6‑mm Allen wrench, turn the filter assembly nut clockwise to tighten. Tighten the filter assembly nut to

specification.

a - Fluid filter assembly

b - Assembly nut

Description Nm lb‑in. lb‑ft

Filter assembly nut 5‑8 48‑72

11.

Fill the transmission to the proper level with the specified fluid. Refer to Filling.

Transmission Removal

WARNING

Performing service or maintenance without first disconnecting the battery can cause product damage, personal injury, or

death due to fire, explosion, electrical shock, or unexpected engine starting. Always disconnect the battery cables from the

battery before maintaining, servicing, installing, or removing engine or drive components.

NOTICE

Discharge of oil, coolant, or other engine/drive fluids into the environment is restricted by law. Use caution not to spill oil,

coolant, or other fluids into the environment when using or servicing your boat. Be aware of the local restrictions governing

the disposal or recycling of waste, and contain and dispose of fluids as required.

NOTE: The following procedure describes the removal of the transmission without removing the engine. If the engine must be

removed, refer to

Section 2C

1. Disconnect the battery cables from the battery. Be certain to disconnect the negative (–) cable first.

2. If required, drain the transmission fluid. Dispose of the fluid according to local regulations.

3. Disconnect the water hoses from the transmission fluid cooler.

NOTE: The fluid cooler should be removed with the transmission.

4. On non‑DTS transmissions:

13167

13173

ZF/45C, 45IV, 63A, 65IV Transmissions

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