Mercury MerCruiser MCM 454 Mag MPI Service Manual page 945

Table of Contents

SERVICE MANUAL NUMBER 23

Filling Transmission

IMPORTANT: Use only specified transmission fluid (see "Specifications").

1. Remove dipstick. Fill transmission with fluid, through dipstick hole, to bring up to full

IMPORTANT: To accurately check fluid level, run engine at 1500 RPM for 2 minutes

immediately prior to checking level.

2. Start engine and run at 1500 RPM for 2 minutes to fill all hydraulic circuits.

NOTE: Be sure to push dipstick all the way down into dipstick tube when checking fluid level.

3. Stop engine and quickly check fluid level. Add transmission fluid as needed to bring level

4. Reinstall dipstick. Be sure to tighten T-handle securely.

The following procedure describes removal of transmission without removing en-

gine. If engine must be removed, refer to SECTION 2 (see "Table of Contents").

1. Disconnect negative battery cable.

2. Disconnect shift cable from transmission.

3. Disconnect wires from neutral start safety switch.

4. Disconnect wires from transmission fluid temperature switch.

5. Loosen trunnion clamping fasteners on engine mounts (port and starboard).

6. Remove coupling nuts and bolts and separate propeller shaft flange from transmission

7. Remove the four rear engine mount-to-engine bed fasteners and hardware.

8. Support rear part of engine using a suitable hoist or wooden blocks under flywheel hous-

90-861326--1 MARCH 1999

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Dipstick Tube

up to full mark on dipstick.

output flange.

VELVET DRIVE 5000A DOWN ANGLE TRANSMISSION

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