MerCruiser 305 CID (5.0L) Service Manual page 770

SERVICE MANUAL NUMBER 24
Closed Cooling System Water Flow Diagram
MCM / MIE Models
Index
90-861327--1 OCTOBER 1999
6
5
1 - Seawater Inlet Hose
2 - Seawater Pump
3 - Transmission Fluid Cooler, or Power Steering Cooler
4 - Fuel Cooler
5 - Heat Exchanger, Typical
6 - Thermostat Housing and Cover Assembly
7 - Engine Water Circulating Pump
8 - Engine Block and Cylinder Head Assembly
9 - Exhaust Manifold, Typical
10 - Exhaust Elbow Assembly, Typical
11 - Overboard (Water and Exhaust Discharge)
a - Freshwater (Coolant/Anti-Freeze) Flow
b - Seawater (Raw Water) Flow
2
8
7
4
CLOSED COOLED MODELS
1
10
3
9
a
b
75005
Page 6B-21
11