Opel Kadett E

1984-1991 of release

Repair and car operation



Opel Kadett E
+ 1. Maintenance instruction
+ 2. Weekly checks and service in a way
+ 3. Maintenance
- 4. Engine
   - 4.1. The OHV engine (with a camshaft in the block of cylinders)
      4.1.1. Technical characteristics
      4.1.2. Compression check
      4.1.3. The repair operations which are not demanding removal of the engine
      + 4.1.4. The repair operations demanding removal of the engine
      4.1.5. Adjustment of gaps of valves
      + 4.1.6. Head of the block of cylinders
      4.1.7. Removal and installation of the oil pallet
      + 4.1.8. Oil pump
      + 4.1.9. Asterisks of the mechanism of a gazoraspredeleniye
      + 4.1.10. Pistons and rods
      4.1.11. Removal and flywheel installation
      4.1.12. Removal and installation of support of the power unit
      4.1.13. Removal and installation of a camshaft and pushers
      4.1.14. Removal and installation of a back sealing ring of a cranked shaft
      4.1.15. Removal and installation of a cranked shaft and radical bearings
      + 4.1.16. Check of elements of the engine
      4.1.17. System of greasing of the engine
      4.1.18. Removal and engine installation
      4.1.19. Engine start after major maintenance
   + 4.2. OHC engines
   + 4.3. The DOHC engine with 16 valves
   + 4.4. Diesel engines 16D and 16DА
   + 4.5. Diesel engines of 1,7 l
+ 5. System of cooling, heating and ventilation
+ 6. Fuel and exhaust systems
+ 7. Start and charging system
+ 8. Ignition system
+ 9. Coupling
+ 10. Transmissions and power shafts
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Electric circuits



4.1.1. Technical characteristics

GENERAL INFORMATION

The OHV engine is an engine with one camshaft established in the block of cylinders.

Designation
12 SC
Diameter of the cylinder x piston stroke
79,0 x 61,0 mm
Working volume
1196 cm3
Extent of compression
9,0: 1
Klapannye gaps (the warm engine):
  – the inlet
0,15 mm
  – the final
0,25 mm
Head of the block of cylinders
Designation
Е
Width of a saddle of the valve:
  – the inlet
1,25-1,50 mm
  – the inlet
1,25-1,50 mm
Full height
81 ± 0,25 mm

Valves and directing

Parameter
The inlet
The final
Length
99,3 mm
101,1 mm
Diameter of a plate
32 mm
29 mm
Diameter of a core (face value, ± 0,005 mm):
  – the standard
7,005 mm
6,995 mm
  – the increased size 1
7,080 mm
7,060 mm
  – the increased size 2
7,155 mm
7,135 mm
  – the increased size A
7,255 mm
7,235 mm
Internal diameter of the directing plug of the valve (± 0,01 mm):
  – the standard
7,035 mm
  – the increased size 1
7,110 mm
  – the increased size 2
7,185 mm
  – the increased size A
7,285 mm
Klapanny gap in the directing:
  – the inlet
0,015-0,045 mm
  – the final
0,035 to 0,065 mm
Corner of a working facet
44 °

Camshaft

Radial люфт
At most 0,03 mm
Axial люфт
0,17-0,43 mm
Cam lifting
6,45 mm

Pistons and cylinders


Parameter
Diameters
Marking
Production size 1
78,95 mm
5
78,96 mm
6
78,97 mm
7
78,98 mm
8
Production size 2
78,99 mm
99
79,00 mm
00
79,01 mm
01
79,02 mm
02
Production size 3
79,03 mm
03
79,04 mm
04
79,05 mm
05
79,06 mm
06
Production size 4
79,07 mm
07
79,08 mm
08
79,9 mm
09
79,10 mm
1
The increased size (+ 0,5 mm face value)
79,47 mm
79,47/7 + 0,5
79,48 mm
79,48/8 + 0,5
79,49 mm
79,49/9 + 0,5
79,50 mm
79,50/0 + 0,5
Gap between the piston and the cylinder
0,1-0,3 mm
Ovality and konusnost of cylinders
At most 0,013 mm

Piston rings

Quantity on the piston
2 kompressionny, 1 maslosjemny
Thickness:
  – kompressionny
2,0 mm
  – maslosjemny
5,0 mm
Locks of rings:
  – shift of locks of piston rings
180 ° (see subsection 4.1.10.2)
  – a gap of piston rings in a piston flute
It is not specified – typical 0,06 mm

Piston fingers

Length
65 mm
Diameter
20 mm
Gap in the piston
0,0015-0,0195 mm
Gap in a rod
Without a gap (motionless landing)

Cranked shaft and bearings

Number of radical bearings
3
Diameters of necks of radical bearings – standard:
  – the forward
53,997-54,010 mm
  – central and back
54,007-54,020 mm
Width of a neck of the central radical bearing – standard
29,000-29,052 mm
Identification of the loose leaf of the radical bearing:
  – increased on 0,25
A
  – increased on 0,50
In
Ovality of radical and shatunny necks
At most 0,006 mm
Konusnost of radical and shatunny necks
At most 0,01 mm
Axial люфт cranked shaft
0,09-0,20 mm
Люфт rod
0,02-0,06 mm
Working gap of radical bearings:
  – the forward
0,020-0,046 mm
  – the central
0,010-0,036 mm
  – the back
0,010-0,032 mm
Working gap of the shatunny bearing
0,11-0,24 mm
Palpation of a cranked shaft (on the central neck)
At most 0,03 mm

Identification of loose leaves of radical bearings


Loose leaf
Color
Code
The standard:
  – the forward top
The brown
1 ON or 701-N
  – the forward bottom
The brown
1 UN or 702-N
  – the central top
The brown
20 + UN or 705-N
  – the central bottom
The green
20 + UN or 725-N
  – the back top
The green
631-N
  – the back bottom
The green
635-N
Standard neck, opening of the increased size:
  – the forward top
U1-OB
  – the forward bottom
U1 U
  – central, top and bottom
U
  – the back top
U3-OB
  – the back bottom
U3 U
Diameter of a shatunny neck – standard
44,971-44,987 mm
The increased sizes of radical and shatunny loose leaves
0,25 mm production and repair; 0,50 mm only the repair
The increased size 0,25:
  – the forward top
The brown-dark blue
1 OA or 006-A
  – the forward bottom
The brown-dark blue
1 UA or 008-A
  – the central top
The brown-dark blue
20 + UA or 014-A
  – the central bottom
The brown
20 + UA or 034-A
  – the back top
The green-dark blue
632
  – the back bottom
The green-dark blue
636-A
The increased size 0,50:
  – the forward top
The brown-black
1 OB or 027 In
  – the forward bottom
The brown-black
1 U or 029 In
  – the central top
The brown-black
2 OB 0,35 B
  – the central bottom
The green-black
2 UB 0,35 B
  – the back top
No
3 OB 0,50
  – the back bottom
No
3 U 0,50

Flywheel


Palpation of a gear wreath
At most 0,5 mm
Thickness of machining from coupling
At most 0,3 mm

Greasing system

Gaps of the oil pump:
  – between teeths of gear wheels
0,1-0,2 mm
  – between a gear wheel and the case
0,04-0,10 mm
Pressure of oil on idling turns (the engine warm)
1,5 bar

Tightening moments

Bolts of fastening of a flywheel (each time use new bolts):
  – stage 1
35 Nanometers
  – stage 2
To tighten on a corner 50 ° – 90 °
Covers of radical bearings
62 Nanometers
Covers of shatunny bearings
27 Nanometers
Bolts of fastening of the oil pallet (with structure interfering unscrewing)
5 Nanometers
Bolts of fastening of a head of the block of cylinders (each time use new bolts):
  – stage 1
25 Nanometers
  – stage 2
To tighten on a corner 60 °
  – stage 3
To tighten on a corner 60 °
  – stage 4
To tighten on a corner 60 °
Camshaft pulley
40 Nanometers
Pulley of a cranked shaft
40 Nanometers
Right support of the power unit:
  – to the block of cylinders (the bottom bolt to establish with hermetic use)
20 Nanometers
  – to a damper
40 Nanometers
Support of the power unit to a body:
  – the back left
65 Nanometers
  – the back right
40 Nanometers
Drain stopper of the oil pallet
45 Nanometers
Bolts of fastening of the oil pump
20 Nanometers