Opel Vectra A

since 1988-1995 release

Repair and operation of the car



Vektr's Opel And
+ 1. Maintenance instruction
+ 1.1 Maintenance
+ 2. Engine
+ 3. Repair of DOHC engines
- 4. Repair of the diesel engine
   4.2. General information
   4.3. The repair which is not demanding removal of the engine
   4.4. Check of a compression
   4.5. Top Dead Point (TDP) of the piston of the first cylinder
   4.6. Cover of a head of the block of cylinders
   4.7. Pulley of a bent shaft
   4.8. Casings of a gear belt
   4.9. Replacement of a gear belt
   4.10. Check and installation of phases of gas distribution
   + 4.11. Mechanism of a tension of a gear belt and pulleys
   4.12. Replacement of a sealing ring of the camshaft
   4.13. Check and adjustment of gaps of valves
   4.14. Camshaft and pushers
   4.15. Head of the block of cylinders
   4.16. Oil pallet
   4.17. Oil pump
   4.18. Replacement of a sealing ring of the oil pump
   4.19. Oil heater
   + 4.20. Pistons with rods
   4.21. Flywheel
   4.22. Replacement of sealing rings of a bent shaft
   4.23. Replacement of support of the power unit
   4.24. Recommendations about removal of the engine
   4.25. Removal and installation of the engine
   4.26. Repair of the engine
   4.27. Start of the engine after capital repairs
+ 5. Cooling system
+ 6. Fuel system
+ 7. The fuel and exhaust system of models with system of injection of fuel
+ 8. Exhaust system and system of decrease in toxicity of exhaust gases
+ 9. Fuel systems of the diesel engine
+ 10. Engine electrical systems
+ 11. Transmission
+ 12. Mechanical transmission
+ 13. Automatic transmission
+ 14. Power shafts
+ 15. Brake system
+ 16. Suspension bracket
+ 17. Body
+ 18. Electric equipment
+ 19. Check of malfunctions
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4. Repair of the diesel engine

4.1. Technical characteristic

Type
The engine with 4 cylinders cooled by water with one top camshaft put in action by a gear belt
Code
CU 4EE1
Diameter of the cylinder
79 mm
Piston stroke
86 mm
Working volume
1668 cm3
Operating procedure of cylinders
1 – 3 – 4 – 2 (the cylinder No. 1 is from a gear belt)
Direction of rotation of a bent shaft
Clockwise, if to take a detached view a gear belt
Extent of compression
22,0:
Maximum power
60 kW (80 h.p.) at 4400 rpm
Maximum torque
168 nanometers at 2400 rpm
Compression pressure
18,5 – 34,5 bars
The maximum distinction of pressure of compression between any two cylinders
1,5 bars

Camshaft

Axial side play
0,05 – 0,20 mm
The most admissible radial beating
0,05 mm
Raising of a cam of the inlet valve
8,47 – 8,67 mm
Raising of a cam of the final valve
8,57 – 8,77 mm
Working gap of bearings of the camshaft
0,040 – 0,082 mm
Gaps of valves:
– inlet valve
0,15 mm
– final valve
0,25 mm

Head of the block of cylinders

The most admissible neploskosnost of the lower surface of a head of the block of cylinders
0,1 mm
Height of a head of the block of cylinders:
– standard
131,45 – 131,55 mm
– minimum
131,25 mm
Valve saddle width:
– standard
1,2 – 1,5 mm
– limit
2,0 mm
Vystupaniye of the vortex camera
0,001 – 0,030 mm
Deepening of the valve in a head of the block of cylinders
0,5 – 1,0 mm
Laying of a head of the block of cylinders and tag:
Vystupaniye of the piston from the cylinder:
Thickness
Tags
– 0,58 – 0,64 mm
1,40 mm
Without opening
– 0,65 – 0,70 mm
1,45 mm
1 opening
– 0,71 – 0,78 mm
1,50 mm
2 openings
Piston fingers:
– diameter
27 mm
– length
60 mm
Gap of a piston finger in the piston
0,002 – 0,012 mm
Gap of a piston finger in a rod
0,008 – 0,050 mm
Diameter of a core of the valve:
– inlet valve
6,959 – 6,977 mm
– final valve
6,960 – 6,978 mm
Diameter of an opening of the directing valve plug
7,000 – 7,015 mm
Gap between a core and a guide of the valve:
– inlet valve:
   • standard
0,023 – 0,056 mm
   • limit
0,080 mm
– final valve:
   • standard
0,030 - 0,063 mm
   • limit
0,095 mm
Valve length:
– inlet valve
104,05 mm
– final valve
104,00 mm
Diameter of a plate of the valve:
– inlet valve
34,6 mm
– final valve
30,6 mm

Block of cylinders

Diameter of the cylinder of the engine:
– group of the sizes A
79,000 – 79,009 mm
– group of the sizes B
79,010 – 79,019 mm
– group of the sizes C
79,020 – 79,029 mm
Maximum ovality of the cylinder
0,015 mm
Maximum conicity of the cylinder
0,015 mm
Diameter of the radical bearing (without inserts):
– group of the sizes 1
55,992 – 56,000 mm
– group of the sizes 2
55,984 – 55,992 mm
– group of the sizes 3
55,976 – 55,984 mm

Pistons and rings

Diameter of the piston:
– group of the sizes A
78,975 – 78,984 mm
– group of the sizes B
78,965 – 78,994 mm
– group of the sizes C
78,995 – 79,004 mm
Piston gap in the cylinder
0,016 – 0,034 mm
Gaps of the lock of the piston ring (established in an opening):
– top sealing ring
0,25 – 0,80 mm
– lower sealing ring
0,20 – 0,80 mm
– oil scraper ring
0,20 – 0,80 mm
Gap of a piston ring in the piston:
– top sealing ring
0,12 – 0,18 mm
– lower sealing ring
0,05 – 0,15 mm
– oil scraper ring
0,02 – 0,15 mm
Thickness of a piston ring:
– top sealing ring
2,0 mm
– lower sealing ring
2,0 mm
– oil scraper ring
3,0 mm

Rod

Side gap of the lower head of a rod
0,20 – 0,40 mm
The maximum admissible distinction of weight between rods
4 g
Identification tags of a rod:
Color of a tag
Bearing gap
– I
Blue
0,025 – 0,054 mm
– II
Black
0,027 – 0,056 mm
– III
Brown
0,029 – 0,058 mm

Bent shaft

Axial side play
0,06 – 0,30 mm
Diameters of radical necks:
– 1st group of the sizes
51,928 – 51,938 mm
– 2nd group of the sizes
51,918 – 51,928 mm
Working gap of the radical bearing
0,030 – 0,080 mm
Working gap of the bearing of the lower head of a rod
0,025 – 0,100 mm

Lubrication system

Minimum admissible pressure of oil at turns of idling and temperature of the engine of 80 °C
2,0 bars
Gap between an external rotor of the pump and a pump housing
0,24 – 0,36 mm.
Gap between an internal and external rotor
0,13 – 0,15 mm
Axial side play of rotors
0,035 – 0,1 mm
Thermostat of the heat exchanger of engine oil:
– temperature began opening
80,5 – 83,5 °C
– temperature of full opening
95 °C

Cooling system

Thermostat
With two valves
Designation:
– main valve
88
– additional valve
85
Temperature began opening:
– main valve
86 – 90 °C
– additional valve
83 – 87 °C
Temperature of full opening
100 °C

Tightening moments

Nuts of fastening of covers of bearings of the camshaft
19 Nanometer
Bolts of fastening of a cover of a head of the block of cylinders
8 Nanometer
Bolt of fastening of a pulley of the camshaft
10 Nanometer
Bolts of fastening of the water pump
20 Nanometer
Bolts of fastening of a pulley of the water pump
10 Nanometer
Cover of the bearing of the lower head of a rod:
– stage 1
25 Nanometer
– stage 2
To tighten on a corner 100 °
– stage 3
To tighten on a corner 15 °
Bolts of fastening of a pulley of a bent shaft
20 Nanometer
Bolts of fastening of the case of a back sealing ring of a bent shaft

10 Nanometer

Bolts of fastening of a pulley of a bent shaft
196 Nanometer
Bolts of fastening of a head of the block of cylinders:
– stage 1
40 Nanometer
– stage 2
To tighten on a corner from 60 to 75 °
– stage 3
To tighten on a corner from 60 to 75 °
Nut of a pulley of the fuel pump
69 Nanometer
Main bolts of fastening of a cover of bearings
88 Nanometer
Forward right suspension bracket of the power unit:
– bolts of fastening of a suspension bracket to the engine
60 Nanometer
– bolts of fastening of a suspension bracket to the lower frame
45 Nanometer
Back support:
– fastening bolts to a bracket
45 Nanometer
– fastening bolts to the lower frame
20 Nanometer
– fastening bolts to the transmission
60 Nanometer
Bolts of fastening of the transmission to the engine:
– M8 bolts
20 Nanometer
– M10 bolts
40 Nanometer
– M12 bolts
60 Nanometer
Bolts of fastening of a flywheel:
– stage 1
30 Nanometer
– stage 2
To tighten on a corner 45 – 60 °
Bolts of fastening of the central part of the oil heater
49 Nanometer
Oil filter
15 Nanometer
Bolts of fastening of the safety valve of pressure
40 Nanometer
Screws of fastening of a cover of the oil pump
10 Nanometer
Bolts of fastening of a pipe of an oil receiver
19 Nanometer
Nut of fastening of a pulley of the oil pump
44 Nanometer
Bolts of fastening of the oil pallet
10 Nanometer
Masloslivny stopper
78 Nanometer
Bolts of fastening of a casing of a gear belt
8 Nanometer
Bolts of fastening of a single pulley of a gear belt
76 Nanometer
Bolts of fastening of a pulley of the mechanism of a tension of a gear belt
19 Nanometer