Engine Mounts; Rocker Arm Cover; Removal; Installation - MerCruiser GM4 Service Manual

Engine Mounts

Front Mount
Press Mount
Out with Press
Rear Mount/Flywheel Housing
Index
3A - 10 - ENGINES

Rocker Arm Cover

Removal

It may be necessary to remove exhaust manifold be-
fore removing rocker arm cover. Refer to Section 7B
for removal.
1. Disconnect crankcase ventilation hoses.
2. Remove any items that interfere with the removal
of rocker arm covers.
IMPORTANT: DO NOT pry rocker arm cover loose.
Gaskets, which may adhere to cylinder head and
rocker arm cover, may be loosened by bumping
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end of rocker cover from the rear with palm of
hand or a rubber mallet.
3. Remove rocker arm cover.

Installation

1. Clean sealing surfaces on cylinder head and
rocker arm cover with degreaser.
2. Place new rocker arm cover gasket in position in
rocker arm cover.
3. Install rocker arm cover. Torque screws to 40 lb.
in. (4.5 N·m).
4. Install exhaust manifolds, if removed.
5. Install any items which were removed to allow re-
moval of rocker arm covers.
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6. Connect crankcase ventilation hoses to rocker
arm covers.
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