3c33ddb1

3.5.2.1. Petrol SOHC engine of 1,6 l

Head of the block of cylinders
The most admissible neploskosnost of the lower surface of a head of the block of cylinders
0,05 mm
Height of a head of the block of cylinders
95.90 – 96.10 mm
Valve saddle width:
  – inlet valve
1.3 – 1.5 mm
  – final valve
1.6 – 1.8 mm
Valves
Height of the directing valve plug in a cylinder head
80.85 – 81.25 mm
Diameter of a core of the valve:
  – inlet valve:
     • nominal
6.998 – 7.012 mm
     • the 1st increased size (0.075 mm – K1)
7.073 – 7.087 mm
     • the 2nd increased size (0.150 mm – K2)
7.148 – 7.162 mm
     • the 3rd increased size (0.250 mm – A)
7.248 – 7.262 mm
  – final valve:
     • nominal
6.998 – 7.012 mm
     • the 1st increased size (0.075 mm – K1)
77.053 – 7.067 mm
     • the 2nd increased size (0.150 mm – K2)
7.128 – 7.142 mm
     • the 3rd increased size (0.250 mm – A)
7.228 – 7.262 mm
Valve core exit
less than 0.03 mm
Diameter of an opening of the directing valve plug:
  – nominal
7.030 – 7.050 mm
  – the 1st increased size (0.075 mm – K1)
7.105 – 7.125 mm
  – the 2nd increased size (0.150 mm – K2)
7.180 – 7.200 mm
  – the 3rd increased size (0.250 mm – A)
7.280 – 7.300 mm
Gap between a core and a guide of the valve:
  – inlet valve
0.018 – 0.052 mm
  – final valve
0.038 – 0.072 mm
Valve length:
  – new
101.5 mm
  – minimum
101.1 mm
Height of raising of a rod of the valve
13.75 – 14:35 mm
Diameter of a plate of the valve:
  – inlet valve
38 mm
  – final valve
31 mm
Block of cylinders

The most admissible neploskosnost

0.05 mm
Diameters of cylinders:
  – standard:
     • group of the sizes 6
78.955 – 78.965 mm
     • group of the sizes 7
78.965 – 78.975 mm
     • group of the sizes 8
78.975 – 78.985 mm
  – the increased size (0.5 mm)
79.465 – 79.475 mm
  – maximum ovality of the cylinder
0.013 mm
  – maximum conicity of the cylinder
0.013 mm
Pistons and rings
Diameter of the piston:
  – standard:
     • group of the sizes 6
78.935 – 78.945 mm
     • group of the sizes 7
78.945 – 78.955 mm
     • group of the sizes 8
78.955 – 78.965 mm
  – the increased size (0.5 mm) – group of the sizes 7 + 0.5
79.445 – 79.455 mm
Piston gap in the cylinder
0.02 ± 0.01 mm
Gaps of the lock of the piston ring (established in an opening):
  – top and lower sealing rings
0.3 – 0.5 mm
  – oil scraper ring
0.4 – 1.4 mm
Thickness of a piston ring:
  – top sealing ring
1.2 mm
  – lower sealing ring
1.5 mm
  – oil scraper ring
3.0 mm
Gap of a piston ring in the piston
N/A
Piston fingers
Diameter
18 mm
Length
55 mm
Gap of a piston finger in the piston
0.009 – 0.012 mm
Rod
Side gap of the lower head of a rod
0.07 – 0.24 mm
Bent shaft
Axial side play
0.1 – 0.2 mm
Diameters of radical necks:
  – nominal size
54.980 – 54.997 mm
  – the 1st repair size – 0,25
54.730 – 54.747 mm
  – the 2nd repair size – 0,50
54.482 – 54.495 mm
Diameters of conrod necks:
  – nominal size
42.971 – 42.987 mm
  – the 1st repair size – 0,25
42.721 – 42.737 mm
  – the 2nd repair size – 0,50
42.471 – 42.487 mm
Maximum ovality
0.04 mm
Maximum conicity
N/A
Working gap of the radical bearing
0.017 – 0.047 mm
Working gap of the bearing of the lower head of a rod
0.019 – 0.071 mm