In the normal condition of the engine, the oil pressure in the lubrication system at a temperature of +80°C at idle should be in the range of 0.5–1.0 kg / cm2 and at a maximum crankshaft speed of 5–6 kg/cm2. When the pressure drops below the permissible value, the control lamp lights up.
Oil pump
Pump housing depth, mm: 19.2+0.06+0.3.
Gear height, mm: 19.2-0.020-0.041.
Maximum axial clearance of the gear, mm: 0.11.
Permissible gap between gear teeth, mm: 0.2436.
Opening pressure of the pressure reducing valve installed in the pump cover, kg/cm2: 8—9.
Helical spring length, mm: 44±0.2.
Drive roller diameter, mm: 15—8.011.
Diameter of the hole for the drive shaft in the pump housing, mm: 15+0.043+0.016.
Lateral clearance between the teeth of the gears of the pump drive shaft and the intermediate shaft, mm: 0.016-0.054.
Oil filter
Make and type: Purolator PC 253, Guiot GH 2870 or Purllux LS 171.
Bypass valve opening pressure, kg/cm2: 2.2±0.3.
The length of the pressure reducing valve spring in the free state, mm: 68.
Mounting length of the pressure reducing valve spring, mm: 66.5.
Plunger length, mm: 35.
Engine oil
Lubrication system capacity, l: 4.5 (including 0.5 l in oil filter).
Oil used: HD SAE 10W40.
Replacement frequency: every 7500 km or at least twice a year with the replacement of the oil filter.