Cooling and lubrication system of engines Toyota Dyna (100/150)

Description of the lubrication system
The Y-series engines use a forced-pressure lubrication system with full-flow oil cleaning, which ensures reliable lubrication of moving parts. Oil from the sump through an oil receiver with a mesh filter with the help...

Checking oil pressure
1. Check the quality of the oil used. Assess the degree of oil wear, the presence of water in it, loss of color and viscosity. If the oil is "aged", change the oil. Use oil with the API SC, SD, SE and SF quality...

Oil and oil filter change
1. Drain the engine oil. Remove the oil filler plug, unscrew the drain plug on the oil pan and drain the oil into a suitable container. 2. Replace the oil filter. a) Unscrew the oil filter using a suitable tool. b)...

Oil pump
Removal 1. Raise the vehicle and make sure the vehicle is securely supported on jack stands. 2. Drain the engine oil 3. Remove the right and left sheet steel trims. 4. (With oil level sensor) Disconnect the oil level...

Oil pump — design description
Oil pump parts. 1 - oil pump housing, 2 - pressure reducing valve, 3 - spring, 4 - plug, 5 - oil receiver, 6 - drive gear, 7 - driven gear, 8 - sealing ring, 9 - oil receiver filter, 10 - bolt (M3 = 7.8 Nm), 11 - bolt...

Description of the cooling system
These engines use a closed-type liquid cooling system with forced circulation of coolant. The cooling system includes: cooling jacket (in the cylinder block and in the cylinder head), radiator, coolant pump, thermostat,...

Checking and replacing coolant
1. Check the coolant level in the expansion tank; the level should be between the "LOW" and "FULL" marks. If the level is low, check for leaks and add coolant to the "FULL" mark. There should be no significant rust or...

Coolant pump
Removal the coolant pump 1. Drain the coolant. 2. Remove the coolant pump drive belt. a) Press firmly on the fan pulley drive belt and loosen the pulley mounting nuts. b) Loosen the pivot bolt and belt tension...

Thermostat — removal and installation
Removal the thermostat 1. Drain the coolant. 2. Disconnect the coolant hose from the radiator outlet pipe. 3. Unscrew the two nuts, remove the coolant inlet pipe, gasket and thermostat. 4. Remove the gasket from the...

Radiator — Cleaning and Checking
Cleaning the radiator Using water or a steam cleaner, clean the radiator core. Caution: When using a high-pressure cleaner, be careful not to damage the tubes and fins of the radiator core. In particular, at a pressure...

Troubleshooting the lubrication system

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