Losed C Ooled E Ngines - Marine Power 5.3 GEN V DI Owner's Manual

9.
Winterization
Full Closed Cooled Engines
Test antifreeze-water concentration to assure adequate protection
for your location.
Remove hoses from inlet and outlet of crankshaft seawater pump.
Remove drain plug from transmission/engine oil cooler.
Remove drain plugs (if equipped) from exhaust risers.
Note the routing of your inlet cooling water hose to make sure
there are no locations which may trap water. If your engine is
attached to a v-drive transmission, pay particular attention to the
draining of the v-drive cooler.
Remove end caps on heat exchanger. Inspect for debris and
trapped water. Remove zinc anode and replace if necessary.
Spray each of your engine mounts with WD-40 or equivalent
lubricate.
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