Model Capacity Fluid type Part Number
ZF Marine 63A 4.0 L (4.2 US qt)
Dexron III® Automatic Transmission Fluid or Equivalent Obtain locally
ZF Marine 63IV 4.4 L (4.6 US qt)
2. Install the dipstick.
3.
Check the fluid level. Refer to Check Fluid Level.
Change Fluid
1. Clean the exterior of the transmission around the fluid filter assembly.
2. Use a 6 mm Allen wrench and remove the fluid filter assembly by turning the assembly nut counterclockwise and pulling at
the same time.
a - Assembly nut
b - Fluid filter assembly
3. Push the hose of a suction pump through the suction pipe and down to the bottom of the housing.
4. Pump the fluid from the housing into a suitable container. Dispose of the fluid properly.
a - Suction pipe
b - Suction pump
5. Remove and discard the filter element and the O‑rings.
6. Coat the new O‑rings with transmission fluid.
7. 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.
8. Install the fluid filter assembly in the transmission cavity by turning clockwise and pushing at the same time.
b
a
13163
a
b
13165
b
a
13167
a
b
c
Section 4 - Maintenance
90-8M0133568 eng JUNE 2017 Page 39
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