Designation - CDVA
The firing order of the cylinders is 1-4-3-6-2-5
Camber angle - 10.6°
Cylinder diameter // piston stroke, mm - 89 // 96.4
Volume of cylinders, cm3 — 3597
Maximum power, kW (hp) at 6000 rpm - 191 (260)
Maximum torque, Nm at 2500-5000 rpm - 350
Compression ratio - 11.4:1
Compression pressure, bar
- New engine - 11-13
- Minimum allowable - 8
The maximum allowable spread of compression pressure in different cylinders, bar - 3
Engine oil pressure at which D / V is activated, bar - 0.7 - 1.1
Engine oil pressure at 80°С, bar
- At 1500 rpm - not less than 1.7
- At 2000 rpm - 3.0 - 5.5
Engine oil pressure to open the engine pressure reducing valve "BZB", bar — no more than 7.0
Engine oil pressure to open the oil nozzle valve, bar - 2.0
The maximum allowable deviation from the flatness of the lower mating surface of the cylinder head, mm - 0.05
The maximum allowable axial play of the camshaft (with middle cover installed), mm — 0.40
Inlet//outlet valve disc diameter, mm — 33.20 // 30.20
Inlet//outlet valve stem diameter, mm — 5.98 // 5.97
Inlet/outlet valve length, mm
- Short valves - 102.46 // 102.20
- Long valves - 136.36 // 136.20
The angle of the working chamfer of the intake and exhaust valves - 44°40'
Backlash of the new valve in the corresponding guide bush (measured on the poppet when the end of the valve stem is flush with the end of the sleeve), mm — 0.8
Minimum allowable distance from the end of the valve stem to the plane of the cylinder head (controlled when machining the valve seat), mm
- Short intake and exhaust valves - 31.8
- Long intake and exhaust valves - 10.2
2 Inlet//outlet valve seat machining dimensions (values are given for 3.6 l engines), mm
a Diameter 32.8 // 29.8
b Maximum allowable processing size (difference between the current and the minimum allowable distance from the end of the valve stem to the upper plane of the cylinder head, see above)
from 0.9+1.5//1.2+1.7
d no more than 38.0 // no more than 35.0
r2 radius 2.0
Z Bottom surface of the cylinder head
α Valve seat angle (45°)
β Upper correction angle (30°)
γ Lower correction angle (60°)
Nominal piston // cylinder diameter, mm — 88.945 // 89.010
Maximum permissible deviation of the actual cylinder diameter1 from the nominal, mm - 0.08
Maximum permissible deviation of the actual piston diameter2 from the nominal, mm - 0.06
Clearances in the locks of new // used piston rings (the ring is inserted into the cylinder perpendicular to its axis at a distance of 15 mm from the lower edge of the cylinder), - mm
- Rectangular ring - 0.30 - 0.45 // 1.0
- Tapered ring - 0.30 - 0.50 // 1.0
- Oil scraper ring - 0.20 - 0.90 // 1.2
Fitting play of new // used piston rings in the piston grooves, mm
- Rectangular ring - 0.04 - 0.06 // 0.12
- Tapered ring - 0.03 - 0.06 // 0.15
- Oil scraper ring - 0.02 - 0.06 // 0.15
Nominal diameter of crankshaft journals, mm
- Root - 59.958 - 59.978
- Connecting rod - 53.958 - 53.978
Axial backlash of a cranked shaft, mm
- New shaft - 0.07 - 0.23
- Wear limit - 0.30
Depth of pressing the needle bearing into the crankshaft, mm - 2.0
1 Measured at three cylinder depths (in the center and at a distance of 10 mm from the top and bottom edges) perpendicular to its axis, each time in two mutually perpendicular directions (total - 6 measurements).
2 Measured at a distance of 15 mm from the bottom edge of the piston skirt, perpendicular to the axis of the piston pin.