Cooling and lubrication system Opel Astra J (petrol)

Design features of the lubrication system
The engine lubrication system is combined: the most loaded parts are lubricated under pressure, while the rest are lubricated either by directed spraying or...

Changing engine oil and oil filter
According to the manufacturer's recommendation, the engine oil should be replaced after 1 year of operation or 15 thousand kilometers (whichever comes first)....

Removal and installation of the oil pump
The oil pump is removed for replacement when its supply decreases, causing a constant drop in oil pressure in the engine lubrication system, as well as when...

Removal and installation of the oil filter housing
The oil filter housing is located on the front side of the power unit, between the exhaust manifold and the clutch housing, and is equipped with a replaceable...

Features of the design of the cooling system
Engine cooling system liquid (with forced fluid circulation), sealed, with expansion tank. The system is filled with ethylene glycol based liquid (antifreeze),...

Possible malfunctions of the cooling system
Tab. 1. Possible malfunctions of the cooling system, their causes and solutions Cause of malfunction Remedy The engine gets very hot Low coolant level in...

Checking the hoses and connections of the cooling system
1. Open the hood and inspect the engine compartment. When inspecting the engine, pay attention to the presence of coolant in the expansion tank, the integrity...

Coolant replacement
According to the manufacturer's recommendation, the coolant should be replaced after 45 thousand kilometers or 2 years of operation (whichever comes first)....

Removal and installation of the electric fan of the radiator of the cooling system
You will need a TORX 25 socket. 1. Disconnect the wire from the terminal «minus» battery. 2. Take out from the holder and take back a bringing hose of a...

Replacing the cooling system radiator
Due to the layout of the Opel Astra J car, it is possible to remove the radiator of the cooling system from the engine compartment only downwards and only with...

Removal and installation of a broad tank
You will need: flat blade screwdriver, pliers. 1. Drain the liquid from the cooling system (see Coolant replacement ). 2. Loosen the steam hose clamp by...

Water pump replacement
Remove the pump for replacement if it makes more than normal noise and coolant leaks during operation. Dismantling the pump is quite laborious, therefore, in...

Removal and installation of the thermostat
The need to replace the thermostat may arise when the engine temperature is unstable: overheating or insufficient heating. To check the thermostat on a car,...