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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 287 (Engine Cooling System & Automatic Transmission Cooling System) >> Operation >> Gasoline Engines

Gasoline Engines

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: COOLING FLOW - 2.7L ENGINE
GC0079890Courtesy of CHRYSLER LLC
1 - RADIATOR
2 - COOLANT RECOVERY BOTTLE
3 - HEATER CORE
4 - CYLINDER HEAD
5 - CYLINDER BLOCK
6 - WATER PUMP
7 - THERMOSTAT

The cooling system regulates engine operating temperature. It allows the engine to reach normal operating temperature as quickly as possible. It also maintains normal operating temperature and prevents overheating.

Fig 2: COOLING FLOW - 3.5L W/ENGINE OIL COOLER ENGINE
GC0079891Courtesy of CHRYSLER LLC
1 - RADIATOR
2 - HOT BOTTLE/COOLANT RECOVERY BOTTLE
3 - HEATER CORE
4 - CYLINDER HEAD
5 - CYLINDER BLOCK
6 - WATER PUMP
7 - ENGINE OIL COOLER
8 - THERMOSTAT

The cooling system also provides a means of heating the passenger compartment and cooling the automatic transmission fluid (if equipped).

Fig 3: COOLING FLOW - 5.7L/6.1L ENGINE
GC0095181Courtesy of CHRYSLER LLC
1 - HOT BOTTLE/COOLANT RECOVERY BOTTLE
CHARGE AIR COOLER - DIESEL ENGINE
2 - HEATER CORE
3 - CYLINDER HEAD
4 - CYLINDER BLOCK
5 - WATER PUMP
6 - THERMOSTAT
7 - RADIATOR

The cooling system is pressurized and uses a centrifugal water pump to circulate coolant throughout the system.