Removal; Installation - MerCruiser 305 CID (5.0L) Service Manual

VELVET DRIVE IN-LINE AND V-DRIVE TRANSMISSION

Removal

The following procedure describes removal of transmission without removing
engine. If engine must be removed, refer to SECTION 2 (see "Table of Contents").
1. Drain transmission fluid.
2. Disconnect fluid cooler hoses.
3. Disconnect shift cable.
4. Disconnect wires from neutral start safety switch.
5. Disconnect wires from fluid temperature switch.
6. Disconnect propeller shaft coupling.
7. Remove four rear mount (to engine bed) bolts.
8. Support rear part of engine with either a hoist or by using wooden blocks under flywheel
housing.
9. Remove two center transmission-to-flywheel housing attaching bolts and install two
long studs.
IMPORTANT: These two long studs will help support weight of transmission during
removal and installation.
10. Remove remaining transmission attaching bolts.
11. Pull transmission straight back and off engine.

Installation

1. Check transmission output shaft rolling torque. Refer to "Specifications."
2. Apply Quicksilver Engine Coupler Spline Grease to transmission input shaft splines and
engine drive plate splines.
3. If removed, install rear engine mounting brackets. Torque to 45 lb-ft (61 Nm).
4. Align transmission splines with drive plate splines.
5. Slide transmission into place and secure with bolts.
6. Remove two long studs (installed in Step 9) and install remaining two bolts. Torque all
bolts to 50 lb-ft (68 Nm).
7. Relieve hoist tension and fasten rear engine mounts to engine bed. Tighten bolts
securely.
8. Connect wires to neutral start safety switch.
9. Connect wires to fluid temperature switch.
10. Connect fluid cooler hoses to transmission.
Index
Page 8A-10
NOTICE
90-861327--1 OCTOBER 1999
SERVICE MANUAL NUMBER 24