Opel Vectra B

Since 1995 of release

Repair and car operation

3.5.2.5. The diesel engine of 2,0 l

THE GENERAL DATA

Head of the block of cylinders
As much as possible admissible неплоскосность the bottom surface of a head of the block of cylinders	N/A
Height of a head of the block of cylinders	140 mm
Width of a saddle of the valve	1.4 – 1.8 mm
Valves
Height of the directing plug of the valve in a cylinder head	11.20 – 11.50 mm
Diameter of a core of the valve:
– The inlet valve:
• nominal (K)	5.955 – 5.970 mm
• 1st increased size (0.075 mm - K1)	6.030 – 6.045 mm
• 2nd increased size (0.150 mm - K2)	6.105 – 6.120 mm
– The final valve:
• nominal (K)	5.945 – 5.960 mm
• 1st increased size (0.075 mm - K1)	6.020 – 6.035 mm
• 2nd increased size (0.150 mm - K2)	6.095 – 6.110 mm
Exit of a core of the valve	Less than 0.03 mm
Diameter of an aperture of the directing plug of the valve:
– Nominal (K)	6.000 – 6.012 mm
– 1st increased size (0.075 mm - K1)	6.075 – 6.090 mm
– 2nd increased size (0.150 mm - K2)	6.150 – 6.165 mm
Backlash between a core and directing the valve	N/A
Length of the valve:
– The new	97.1 – 97.2 mm
– The minimum	96.9 – 97.0 mm
Diameter of a plate of the valve:
– The inlet valve	28.9 – 29.1 mm
– The final valve	25.9 – 26.1 mm
The block of cylinders
Maximum admissible неплоскосность	N/A
Diameters of cylinders:
– The standard:
• group of the sizes 8	83.975 – 83.985 mm
• group of the sizes 99	83.985 – 83.995 mm
• group of the sizes 00	83.995 – 84.005 mm
• group of the sizes 01	84.005 – 84.015 mm
• group of the sizes 02	84.015 – 84.025 mm
– The increased size (0.5 mm)	N/A
The maximum ovality of the cylinder	N/A
Maximum конусность the cylinder	N/A
Pistons and rings
Diameter of the piston:
– The standard:
• group of the sizes 8	N/A
• group of the sizes 99	N/A
• group of the sizes 00	N/A
• group of the sizes 01	N/A
• group of the sizes 02	N/A
– The increased size (0.5 mm)	N/A
Piston backlash in the cylinder	N/A
Backlashes of the lock of a piston ring (established in an aperture):
– The top and bottom sealing rings	0.3 – 0.5 mm
– маслосъемное a ring	0.4 – 1.4 mm
Backlash of a piston ring in the piston:
– The top and bottom sealing rings	0.02 – 0.04 mm
– маслосъемное a ring	0.01 – 0.03 mm
Thickness of a piston ring:
– The top sealing ring:
• engine X20DTL	2.00 mm
• engine X20DTH	2.50 mm
– The bottom sealing ring:
• engine X20DTL	1.75 mm
• engine X20DTH	2.00 mm
– маслосъемное a ring	3.0 mm
Piston fingers
Diameter	29 mm
Length	68 mm
Rod
Lateral backlash of the bottom head of a rod	0.07 – 0.28 mm
Cranked shaft
Axial люфт	0.05 – 0.15 mm
Diameters of radical necks:
– 1st group of the sizes (green)	67.966 – 67.974 mm
– 2nd group of the sizes (brown)	67.974 – 67.982 mm
– 1st reduced (0.25 mm)	67.716 – 67.732 mm
– 2nd reduced (0.50 mm)	67.466 – 67.482 mm
Diameters шатунных necks:
– The standard	48.971 to 48.990 mm
– 1st reduced (0.25 mm)	48.721 to 48.740 mm
– 2nd reduced (0.50 mm)	48.471 to 48.490 mm
The maximum ovality	0.03 mm
Maximum конусность	N/A
Working backlash of the radical bearing	0.016 – 0.069 mm
Working backlash of the bearing of the bottom head of a rod	0.010 – 0.061 mm