Cooling System
Coolant Hose Connection Diagram
1 Radiator
• Removing and installing, refer to => [ Radiator ] Service and Repair.
• Replace the coolant after replacing.
2 Coolant Line
3 Intake Manifold
4 Coolant Pump and Coolant Thermostat
• Coolant pump, removing and installing. Refer to => [ Coolant Pump ] Service and Repair.
• Thermostat, removing and installing. Refer to => [ Coolant Thermostat ] Service and Repair.
• Check the coolant thermostat => [ (Item 17) Coolant Thermostat ] Cooling System Components Overview, Engine Side.
5 Front Coolant Line
• Secured to the accessory bracket.
6 Right Coolant Line
• Secured to the engine mount.
7 Expansion Tank
• With cap.
• Pressure relief valve in cap, checking. Refer to => [ Cooling System, Checking for Leaks ] Cooling System, Checking For Leaks.
8 Rear Coolant Line
9 Cylinder Head/Cylinder Block
• Replace the coolant after replacing.
10 Flange
11 Quick-Release Coupling
• Lower connection.
12 Heater Core
• Replace the coolant after replacing.
13 Quick-Release Coupling
• Upper connection.
14 Bypass Thermostat
• Only for vehicles with a automatic transmission.
• Assembly overview, refer to => [ By-Pass Thermostat Overview ] Cooling System Components Overview, Engine Side.
• Checking, refer to => [ By-pass Thermostat,
Checking ] Cooling System Components Overview, Engine Side.
15 Transmission Fluid Cooler
• Only for vehicles with a automatic transmission.
16 Oil Cooler
17 Coolant Hose
18 Pre-Warmer
• Not available in the US/Canadian market.
19 Throttle Valve Control Module (J338)
• Connections only for a throttle valve control module heated by coolant.
20 Coolant Hoses
• Only for a throttle valve control module heated by coolant.
21 Quick-Release Coupling
• Upper connection.
22 Quick-Release Coupling
• Lower connection.