Cooling System
Coolant Hose Connection Diagram
Risk of scalding due to hot steam and hot coolant.
• When the engine is warm the cooling system is under pressure.
• To reduce pressure, cover coolant reservoir cap with cloth and carefully open.
• Secure all hose connections with hose clamps appropriate for the model.
• Arrows on coolant pipes and coolant hoses must line up across from each other.
1 Radiator
• Removal and installation, refer to => [ Radiator ] Radiator
• Replace coolant after replacing
2 Generator
3 Oil Cooler
• Removal and installation, refer to => [ Oil Cooler ] Service and Repair
• Replace coolant after replacing
4 Cylinder Head/Cylinder Block
• Replace coolant after replacing
5 Coolant Expansion Tank
6 Cap
• Pressure relief valve in cap, checking => [ Pressure relief valve in cap,
checking ] Testing and Inspection
7 Engine Coolant Temperature (ECT) Sensor (G62)
8 Throttle Valve Connection
9 From Heater Core
10 To Heater Core
11 Coolant Thermostat
• Removal and installation, refer to => [ Map Controlled Engine Cooling Thermostat ] Map Controlled Engine Cooling Thermostat
12 Coolant Pump
• Removal and installation, refer to => [ Coolant Pump ] Coolant Pump