Diesel car engines Mazda 626 (3 and 4)

General information about diesel engines
The Mazda 626 is equipped with a transversely mounted inline four-cylinder liquid-cooled diesel engine. The cylinder block is made of cast iron, the cylinder head is...

Removal and installation of a gear belt / installation of phases of gas distribution of the RF engine
The installation of the valve timing must be carried out after repair work, in which the toothed belt was removed or the engine was disassembled. When checking the...

Removal and installation of a toothed belt / installation of the gas distribution phases of the RF-N engine
The installation of the valve timing must be carried out after repair work, in which the toothed belt was removed or the engine was disassembled. When checking the...

Diesel engine preheating system
When starting a cold engine, the auto-ignition temperature is not reached only by compression, so preheating of the air-fuel mixture is necessary. For this purpose, a...

Removal of air from the fuel supply system
Air should be removed from the power supply system after its depressurization or when the fuel from the fuel tank is completely depleted. Make sure there is fuel in the...

Check/replacement of the electromagnetic valve of a cut-off of fuel
The solenoid valve on the high pressure fuel pump opens the fuel supply when the ignition is switched on. It should be checked if the engine does not start or continues...

Checking and adjusting the engine idling speed
Since diesel engines do not have an ignition system, a special tachometer is required. But its acquisition does not justify itself, since it is quite expensive. Warm up...

Fuel injectors — removal and installation
Defective injectors can lead to severe detonation in the engine cylinders and, as a result, damage to the crankshaft main bearing shells. If signs of detonation occur,...

RF engine vacuum pump — removal and installation
The vacuum pump creates the vacuum necessary for the operation of the vacuum brake booster. It is fixed on the rear side of the generator and is driven from the...