Mercury MerCruiser Service Manual page 546

ZF/45C, 45IV, 63A, 65IV Transmissions
5. If the fluid is below the full mark, add the specified fluid through the dipstick tube. Do not overfill. Install the dipstick with the
cap seated.
IMPORTANT: For 45IV models, the red dipstick is to be installed in the reversing unit and the black dipstick is to be
installed in the V‑drive unit.
Tube Ref No.
Dexron III Automatic
28
Changing
IMPORTANT: Do not start or crank the engine without fluid in the transmission.
Change the transmission fluid when servicing the transmission.
The transmission fluid change and filter service point is located on the bottom side of the transmission toward the engine
flywheel. The transmission has to be raised high enough that the filter service point is accessible.
1. Remove the breather valve, fluid dipstick, and O‑ring.
2. Clean the breather valve, allow it to dry, and coat it with automatic transmission fluid.
Tube Ref No.
Dexron® III Automatic
28
Page 9A-8
a
b
60352
Description
Description
© 2016 Mercury Marine
45IV
a - Black dipstick
b - Red dipstick
Where Used
ZF/45IV transmissions
Where Used
Breather valve
Obtain Locally
Obtain Locally
90-8M0099748 eng DECEMBER 2015
Part No.
Part No.