Car engine cooling system Peugeot 306

General information about the engine cooling system
The cooling system removes engine heat through the radiator and into the vehicle's interior heating system. For cooling, a coolant with anti-corrosion and frost-protective components is used (ordinary manufactured...

Draining and filling coolant
The cooling system has two separate plugs, both of which must be opened. First, open the expansion tank cap, and then open or unscrew the cap on the bottom of the radiator. There may be a small drain plug fitting on the...

Radiator — removal and installation
Water hoses are attached to the radiator using special fittings. Before removing the radiator, you need to know how to disconnect the hoses. Using Figure 158, turn the locking ring (2) on the water hose half a turn to...

Water pump — removal and installation
The water pump is not repairable and must be replaced if damaged, however the impeller assembly, cover and housing can be replaced separately. If leaks occur, replace the O-ring or impeller. The water pump is driven by...

Drive belt tension
The tension of the alternator V-belt is carried out using Figure 164: Figure 164. Adjusting the alternator belt tension (tU type engine). Loosen the generator mounting bolts (2) and (3) and adjust the belt tension with...

Cooling system fan
To check the cooling system fan, disconnect the wire from the temperature switch and connect it to the on-board network through a transition switch. The fan should work powerfully and quietly. To replace the impeller or...

Thermostat — installation
On TU type engines, the thermostat is located in the fitting on the top side of the engine in the location shown in Figure 167. The installation of the thermostat on XU type engines is shown in figure 82 . To remove it,...

Antifreeze — general information
The cooling system is filled at the factory with antifreeze, which must remain in the system throughout the year, since in addition to frost-resistant properties, it has additives that protect the cooling system in...

Connecting the heater hoses
In addition to special locks when connecting water hoses to the radiator, the heater hoses are also connected to the heater radiator with special locks. There is a locking bar above both hoses that needs to be pressed...

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See similar information for other Peugeot models

➨ Power unit: Cooling and heating Peugeot 106 (1991-2003)
➨ Power unit: Cooling system Peugeot 207 (2006-2014)
➨ Power unit: Cooling and lubrication system Peugeot 405 (1987-1997)
➨ Power unit: Cooling and heating Peugeot 605 (1989-2000)
➨ Diesel engine: Cooling system (DB9) Peugeot J5 (1981-1993)

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