Car engine cooling system BMW 5 Series E34

Coolant circuit
The coolant circuit is thermostatically controlled. While the engine is cold, coolant circulates only in the cylinder head and also in the engine block. As it...

Removal and installation, thermostat check
As the engine warms up, the thermostat opens the large cooling circuit. If the thermostat fails, the engine will overheat. This is determined by the elevated...

Removal and installation of the fan and fan clutch
The fan clutch must be replaced if the hub is broken. At the same time, the fan does not turn or turns with difficulty when the engine is turned off. The...

Removal and installation of a radiator
With a high mileage of the car, the radiator may be clogged with particles. contained in the coolant and lime deposits. As a result, cooling efficiency is...

Removal and installation of the water pump
Withdrawal Disconnect the ground wire from the battery. Drain the coolant from the engine. Remove fan. Loosen the belt pulley bolts. While doing this, hold and...

Coolant — antifreeze
The cooling system is filled with a mixture of water and anti-freeze and anti-corrosion agent when it leaves the factory. This mixture prevents freeze and...