Diesel engine cooling and lubrication system Volkswagen Passat B4

Features of the cooling system device
The engines use a closed liquid cooling system with forced circulation. The cooling system includes a radiator, an expansion tank, an electric fan with two impellers, a...

Removal and installation of the water pump
To remove, drain the coolant. Remove generator. Remove toothed belt guards. Loosen the clamps and disconnect the hoses from the water pump. Loosen the water pump mounting bolts...

Features of the lubrication system device
The lubrication system works under pressure and includes a gear-type oil pump, an oil filter connected in series with the main engine oil line, and an oil-water heat exchanger....

Removal and installation of the oil pump
Drain the oil from the engine crankcase. Remove the engine protection pan. Remove oil sump. Loosen the bolts securing the oil pump to the cylinder block. Remove oil pump. The oil...

Dismantling, checking the technical condition and assembling the oil pump
To disassemble, unscrew the two bolts securing the oil pump cover to the housing. Separate the cover from the body. Remove drive shaft and oil pump drive gear. Wash the pump...

Maintenance of the lubrication system
The engine oil level should be checked every 500 km and before any long journey. The check is carried out on a cold engine or a few minutes after it stops on a flat horizontal...

Exhaust gas exhaust system
Pic. 3-26. Exhaust system: I - diesels «RA», «SB», «AAZ»; II - diesel «1Y». 1 - exhaust manifold; 2 - heat shield; 3 - gasket; 4 - knee; 5 — a reception pipe of mufflers; 6 -...

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