59
L510010-03
C.C.
OUT-OF-SEASON STORAGE - 13
DRAINING INSTRUCTIONS
CAUTION
If the boat is to remain in the water during or after
draining, close the seacock to prevent a siphoning
action that may occur, allowing sea water to fl ow from
drain holes or removed hoses.
IMPORTANT: When removing the drain plugs, insert a
wire into the hole to remove any obstruction which would
prevent water from draining completely.
RAW-WATER COOLED MODELS
1. Remove all the drain plugs from the following
locations:
• Cylinder Block - one on each side (5.0/5.7L
engines, remove the knock sensor on
the port side). When installing the knock
sensor, torque to 20 N
.
m (15 lb ft).
• Exhaust Manifolds - remove hoses and/or
drain plugs, one on each side
• Transmission and Engine Cooler - one drain
plug
2. Remove the hose from the inlet side of the sea-
water pump.
3. Remove the large hose from the engine
circulating pump, or drain plug (if equipped).
NOTICE: It may be necessary to bend or lift the hoses to
allow water to drain completely.
4. Crank the engine over once to purge any trapped
water in the sea-water pump. DO NOT allow the
engine to start.
5. After the water has completely drained, coat
the threads of the drain plugs with PerfectSeal
(or equivalent), and reinstall in the proper
locations. Reinstall all the hoses and tighten the
clamps securely.
NOTICE: For additional protection against freezing and
corrosion, you may wish to fi ll the engine with antifreeze.
If ethylene glycol based antifreeze is used, check with
local environmental agencies about the proper disposal
of antifreeze. It may be necessary to drain the system
prior to re-commissioning the boat.
6. Remove the hoses which connect to the exhaust
manifolds from the thermostat housing.
7. Remove the large circulating pump hose from
the thermostat housing. Pour the mixture of
antifreeze and water, properly mixed to protect
the engine to the lowest temperatures that it will
be exposed to, into the circulating pump
hose and fi ll the engine block. Pour additional
antifreeze solution into the hoses connected to
the exhaust manifolds.
8. Reinstall the hoses into the thermostat housing
and tighten the hose clamps securely.
After draining is completed, perform the additional
required maintenance as outlined in the MAINTENANCE
SCHEDULE under ONCE EACH YEAR.
Figure 13-2 Draining Engine Circulating Pump (5.0/5.7L)
DRAIN
LOCATION
LARGE
HOSE
Remove large HOSE, or DRAIN PLUG (if equipped)
Figure 13-1 Draining Engine Circulating Pump (5.0/5.7L)
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