M62 engine cooling system BMW X5 E53

Engine Cooling System — Design Description
The design of the engine cooling system is shown in fig. 4.15. The engine cooling system is liquid, sealed with forced circulation. It includes: cooling...

Coolant Pump — Design Description
The design of the coolant pump is shown in fig. 4.16. The coolant pump is centrifugal type, mounted on the front end wall of the engine block. The pump roller...

Fan and Viscous Coupling — Design Description
Nine-bladed fan (pic. 4.17), is mounted on the shaft of the coolant pump and is designed to create an air flow through the radiator. The fan impeller has a...

Coolant — general information
When replacing antifreeze, be sure to flush the cooling system with softened water. Let the engine run for 3-5 minutes, drain the water and blow out the system...

Leak test between cooling system and combustion chamber
Checking the tightness of the cylinder head using a carbon monoxide leak detector must be carried out in accordance with the operating instructions of the...

Bleeding the cooling system
Attention! The mark on the expansion tank shows the liquid level at a temperature of about 20°C. Bleeding the cooling system must be carried out in the...

Coolant pump replacement
The coolant pump is driven by the accessory drive belt. In front, on the pump shaft, a fan impeller with a viscous coupling is fixed. The design of the coolant...

Replacing the thermostat of the cooling system
Thermostat (6, fig. 4.16) built into the pump housing and can be replaced separately from it. The replacement of the thermostat must be carried out in the...

Coolant Manifold Replacement
Due to the fact that the engine has two cylinder heads, the coolant is drained in parallel, thanks to the manifold (1, fig. 4.107). Remove the intake manifold...