Opel Omega

since 1993-1999 release

Repair and operation of the car

тротуарная плитка цена


Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Repair of engines
   + 3.1. SOHC engines of 2,0 liters
   + 3.2. DOHC engines of 2,0 liters
   + 3.3. 2,5 and 3,0 liters engines
   - 3.4. Partition of all petrol engines
      3.4.1. Technical characteristics
      3.4.2. Check of a compression
      + 3.4.3. Engine partition
      3.4.4. Auxiliary elements of the engine
      + 3.4.5. Engine
      3.4.6. Engine partition
      3.4.7. Head of cylinders and valves
      3.4.8. Pistons and rods
      3.4.9. Bent shaft
      3.4.10. Block of cylinders
      3.4.11. Radical bearings and bearings of rods
      3.4.12. Piston rings
      3.4.13. The first start of the engine after a partition
   + 3.5. 2,0 liters diesel engine
   + 3.6. 2,5 liters diesel six-cylinder engine
+ 4. Heating system and ventilation
+ 5. Fuel, exhaust systems
+ 6. System of start of the engine
+ 7. System of ignition
+ 8. Coupling
+ 9. Transmissions
+ 10. Main transfer, half shafts
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment








3.4. Partition of all petrol engines

3.4.1. Technical characteristics

GENERAL INFORMATION

2,0 liters engine
Maximum deformation of a surface of laying
0,05 mm
Height of a head of cylinders:
  – SOHC
95,75 – 96,25 mm
  – DOHC
134 mm
Valve saddle width:
  – SOHC:
     • inlet
1,0 – 1,5 mm
     • final
1,7 – 2,2 mm
  – DOHC:
     • inlet
1,0 – 1,4 mm
     • final
1,4 – 1,8 mm
Height of the directing valve plug in a head of cylinders:
  – SOHC
83,25 – 84,05 mm
  – DOHC
13,70 – 14,00 mm
2,5 and 3,0 liters engines
Maximum deformation of a surface of laying
0,05 mm
Height of a head of cylinders
134 mm
Valve saddle width:
  – inlet
1,0 – 1,4 mm
  – final
1,4 – 1,8 mm
Height of the directing valve plug in a head of cylinders
13,7 – 14,0 mm

Valves and the directing plugs

2,0 liters engine
Diameter of a rod of the valve (SOHC) *:
  – inlet:
     • nominal (GM)
6,998 – 7,012 mm
     • after the first boring of the plug (0,075 mm – GM K1)
7,073 – 7,087 mm
     • after the second boring of the plug (0,150 mm – GM K2)
7,148 – 7,162 mm
     • after the third boring of the plug (0,250 mm – And)
7,248 – 7,262 mm
  – final:
     • nominal (GM)
6,978 – 7,992 mm
     • after the first boring of the plug (0,075 mm – GM K1)
7,053 – 7,067 mm
     • after the second boring of the plug (0,150 mm – GM K2)
7,128 – 7,142 mm
     • after the third boring of the plug (0,250 mm – And)
7,228 – 7,262 mm
Diameter of a rod of the valve (DOHC) *:
  – inlet:
     • nominal (GM)
5,955 – 5,970 mm
     • after the first boring of the plug (0,075 mm – GM K1)
6,030 – 6,045 mm
     • after the second boring of the plug (0,150 mm – GM K2)
6,105 – 7,120 mm
  – final:
     • nominal (GM)
5,945 – 5,960 mm
     • after the first boring of the plug (0,075 mm – GM K1)
6,020 – 6,035 mm
     • after the second boring of the plug (0,150 mm – GM K2)
6,095 – 6,110 mm
Valve rod beating
less than 0,03 mm
Diameter of an opening of the directing valve rod plug:
  – SOHC:
     • nominal
7,030 – 7,050 mm
     • after the first boring of the plug (0,075 mm)
7,105 – 7,125 mm
     • after the second boring of the plug (0,150 mm)
7,180 – 7,200 mm
     • after the third boring of the plug (0,250 mm)
7,280 – 7,300 mm
  – DOHC:
     • nominal
6,000 – 6,012 mm
     • after the first boring of the plug (0,065 mm)
6,075 – 6,090 mm
     • after the second boring of the plug (0,150 mm)
6,150 – 6,165 mm
Gap between a rod of the valve and the directing plug:
  – SOHC:
     • inlet
0,018 – 0,052 mm
     • final
0,038 – 0,072 mm
  – DOHC:
     • inlet
0,030 – 0,057 mm
     • final
0,040 – 0,067 mm
Length of the valve (SOHC):
  – inlet:
     • standard valve
104,0 – 104,4 mm
     • the ground-off valve
103,6 – 104,0 mm
  – final:
     • standard valve
103,75 – 104,25 mm
     • the ground-off valve
103,35 – 103,85 mm
Length of the valve (DOHC):
  – inlet:
     • standard valve
101,9 – 102,3 mm
     • the ground-off valve
101,5 – 101,9 mm
  – final:
     • standard valve
92,05 – 92,45 mm
     • the ground-off valve
91,65 – 92,05 mm
Height of a rod of the installed valve:
  – SOHC
17,85 – 18,25 mm
  – DOHC:
     • standard valve
39,6 – 40,2 mm
     • the ground-off valve
39,239,8 mm
Diameter of a head of the valve:
  – SOHC:
     • inlet
41,8 mm
     • final
36,5 mm
DOHC:
     • inlet
31,9 – 32,1 mm
     • final
28,9 – 29,1 mm
2,5 and 3,0 liters engines
Diameter of a rod клапана*:
  – inlet:
     • nominal (GM)
5,955 – 5,970 mm
     • after the first boring of the plug (0,075 mm – GM K1)
6,030 – 6,045 mm
     • after the second boring of the plug (0,150 mm – GM K2)
6,105 – 6,120 mm
  – final:
     • nominal (GM)
5,945 – 5,960 mm
     • after the first boring of the plug (0,075 mm – GM K1)
6,020 – 6,035 mm
     • after the second boring of the plug (0,150 mm – GM K2)
6,095 – 6,110 mm
Valve rod beating
less than 0,03 mm
Diameter of an opening of the directing valve rod plug:
  – nominal
6,000 – 6,012 mm
  – after the first boring of the plug (0,075 mm)
6,075 – 6,090 mm
  – after the second boring of the plug (0,150 mm)
6,150 – 6,165 mm
Gap between a rod of the valve and the directing plug:
  – inlet
0,030 – 0,057 mm
  – final
0,040 – 0,067 mm
Valve length:
  – inlet:
     • standard valve
101,9 – 102,3 mm
     • the ground-off valve
101,5 – 101,9 mm
  – final:
     • standard valve
92,05 – 92,45 mm
     • the ground-off valve
91,65 – 92,05 mm
Diameter of a head of the valve:
  – inlet
31,9 – 32,1 mm
  – final
28,9 – 29,1 mm

* In brackets identification number is specified.

Block of cylinders

2,0 liters engines
Maximum deformation of a surface of laying
0,05 mm
Diameter of the cylinder:
  – nominal:
     • class 8
85,975 – 85,985 mm
     • class 99
85,985 – 85,995 mm
     • class 00
85,995 – 86,005 mm
     • class 01
86,005 – 86,015 mm
     • class 02
86,015 – 86,025 mm
  – after boring (0,5 mm)
86,465 – 86,475 mm
Maximum ovality of the cylinder
0,013 mm
Maximum conicity of the cylinder
0,013 mm
2,5 and 3,0 liters engines
Maximum deformation of a surface of laying
0,05 mm
Diameter of the cylinder (2,5 liters engine):
  – nominal:
     • class 8
81,575 – 81,585 mm
     • class 99
81,585 – 81,595 mm
     • class 00
81,595 – 81,605 mm
     • class 01
81,605 – 81,615 mm
     • class 02
81,615 – 81,625 mm
  – after boring (0,5 mm)
82,065 – 82,075 mm
Diameter of the cylinder (3,0 liters engine):
  – nominal:
     • class 8
85,975 – 85,985 mm
     • class 99
85,985 – 85,995 mm
     • class 00
85,995 – 86,005 mm
     • class 01
86,005 – 86,015 mm
     • class 02
86,015 – 86,025 mm
  – after boring (0,5 mm)
86,465 – 86,475 mm
Maximum ovality of the cylinder
0,013 mm
Maximum conicity of the cylinder
0,013 mm

Pistons and piston rings

2,0 liters engines
Diameter of the piston:
  – nominal:
     • class 8
85,945 – 85,955 mm
     • class 99
85,955 – 85,965 mm
     • class 00
85,965 – 85,975 mm
     • class 01
85,975 – 85,985 mm
     • class 02
86,985 – 86,995 mm
  – after boring (0,5 mm)
86,435 – 86,445 mm
Gap between the piston and the cylinder
0,02 – 0,04 mm
Trailer gaps of the piston rings installed in cylinders:
  – compression rings
0,3 – 0,5 mm
  – oil scraper ring
0,4 – 1,4 mm
Thickness of a piston ring:
  – compression rings
1,5 mm
  – oil scraper ring
3,0 mm
Gap between a piston ring and a flute of a ring:
  – compression rings
0,02 – 0,04 mm
  – oil scraper ring
0,01 – 0,03 mm
2,5 and 3,0 liters engines
Diameter of the piston (2,5 liters engine):
  – nominal:
     • class 8
81,540 – 81,550 mm
     • class 99
81,550 – 81,560 mm
     • class 00
81,560 – 81,570 mm
     • class 01
81,570 – 81,580 mm
     • class 02
81,580 – 81,040 mm
  – after boring (0,1 mm)
82,030 – 82,040 mm
Diameter of the piston (3,0 liters engine):
  – nominal:
     • class 8
85,940 – 85,950 mm
     • class 99
85,950 – 85,960 mm
     • class 00
85,960 – 85,970 mm
     • class 01
85,970 – 85,980 mm
     • class 02
86,980 – 86,990 mm
  – after boring (0,5 mm)
86,430 – 86,440 mm
Gap between the piston and the cylinder
0,025 – 0,045 mm
Trailer gaps of the piston rings installed in cylinders:
  – compression rings
0,3 – 0,5 mm
  – oil scraper ring
0,4 – 1,4 mm
Thickness of a piston ring:
  – compression rings
1,5 mm
  – oil scraper ring
3,0 mm
Gap between a piston ring and a flute of a ring:
  – compression rings
0,02 – 0,04 mm
  – oil scraper ring
0,01 – 0,03 mm

Piston fingers

2,0 liters engine
Diameter
20,990 – 21,000 mm
Length
61,2 – 61,8 mm
Gap between the piston and a piston finger
0,011 – 0,014 mm
2,5 and 3,0 liters engines
Diameter
20,990 – 21,000 mm
Length:
  – 2,5 liters
55,7 – 56,0 mm
  – 3,0 liters
57,7 – 58,0 mm
Gap between the piston and a piston finger:
  – 2,5 liters
0,011 – 0,014 mm
  – 3,0 liters
0,001 – 0,015 mm
Gap between a piston finger and a rod:
  – 2,5 liters
Motionless landing
  – 3,0 liters
0,014 – 0,030 mm

Bent shaft

2,0 liters engines
Free wheeling
0,05 – 0,15 mm
Diameter of a neck of the radical bearing:
  – nominal:
     • 1st group
57,974 – 57,981 mm
     • 2nd group
57,981 – 57,988 mm
     • 3-y group
57,988 – 57,995 mm
  – after the first grinding (0,25 mm)
57,732 – 57,745 mm
  – after the second grinding (0,50 mm)
57,482 – 57,495 mm
Diameter of a neck of the bearing of a rod:
  – nominal
48,970 – 48,988 mm
  – after the first grinding (0,25 mm)
48,720 – 48,738 mm
  – after the second grinding (0,50 mm)
48,470 – 48,488 mm
Ovality of necks of a bent shaft
0,04 mm
Conicity of necks
0,04 mm
Admissible beating of a shaft
less than 0,03 mm
Working gap of the radical bearing
0,015 – 0,043 mm
Working gap of the bearing of a rod
0,006 – 0,031 mm
2,5 and 3,0 liters engines
Free wheeling
0,01 – 0,76 mm
Diameter of a neck of the radical bearing:
  – nominal
67,980 – 67,996 mm
  – after the first grinding (0,25 mm)
67,730 – 67,746mm
  – after the second grinding (0,50 mm)
67,480 – 67,496 mm
Diameter of a neck of the bearing of a rod:
  – 2,5 liters:
     • nominal
48,971 – 48,990 mm
     • after the first grinding (0,25 mm)
48,721 – 48,740 mm
     • after the second grinding (0,50 mm)
48,721 – 48,740 mm
  – 3,0 liters:
     • nominal
53,971 – 53,990 mm
     • after the first grinding (0,25 mm)
53,721 – 53,740 mm
     • after the second grinding (0,50 mm)
53,471 – 53,490 mm
Ovality of necks of a bent shaft
0,04 mm
Conicity of necks
0,04 mm
Admissible beating of a shaft
less than 0,03 mm
Working gap of the radical bearing
0,014 – 0,043 mm
Working gap of the bearing of a rod
0,010 – 0,061 mm

Moments of an inhaling, N. of m.

SOHC engine 2,0 liters
Camshaft cover bolts
8
Camshaft asterisk bolt
45
Bolts of a persistent plate of the camshaft
8
Bolts of a back cover of a casing of the camshaft
8
Rod cover bolt:
  – step 1
35
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Bolts of the pump of cooling liquid
25
Bolts of a ventilating tube of a case of the engine
25
Bolts of a pulley of a bent shaft
20
Bolts of a rotor of the sensor of a bent shaft
13
Bolt of an asterisk of a bent shaft:
  – step 1
130
  – step 2
Tighten for 40 – 50 °
Bolts of a head of cylinders:
  – step 1
25
  – step 2
Tighten for 90 °
  – step 3
Tighten for 90 °
  – step 4
Tighten for 90 °
Bolts of a drive plate:
  – step 1
55
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Fastenings of the engine and transmission:
  – left and right support:
     • the nut fixing a support to a body
55
     • the nut fixing a support to its arm
40
     • the bolts fixing a support arm to the block of cylinders
60
  – back support:
     • the bolts fixing a support to the transmission
40
     • the nuts fixing a support to a cross-piece
20
     • the bolts fixing a cross-piece to a body
45
Bolts of a basic arm of the engine and transmission:
  – a bolt, the fixing arm to the engine
40
  – the bolts fixing an arm to the transmission
22
  – the bolts fixing the transmission to the engine
60
Flywheel bolts:
  – step 1
65
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Bolts of covers of radical bearings:
  – step 1
50
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Oil filter
15
Oil pump:
  – fixing bolts
8
  – pump cover screws
6
  – bolt of the reducing valve
50
  – bolts of a maslozaborny branch pipe
8
  – the heat-insulating guards of spark plugs
25
Bolts of the oil pallet:
  – fixing bolts
8
  – stopper of a drain opening of the oil pallet
55
Bolts of a cover of a gas-distributing belt:
  – external cover
4
  – back cover
6
Bolt of a natyazhitel of a gas-distributing belt
20
DOHC engine 2,0 liters
Bolts of covers of bearings of the camshaft
8
Camshaft cover bolts
8
Camshaft asterisk bolt:
  – step 1
50
  – step 2
Tighten for 60 °
  – step 3
Tighten for 15 °
Bolts of the pump of cooling liquid
25
Rod cover bolt:
  – step 1
35
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Bolts of a ventilating tube of a case of the engine
25
Bolts of system of an equilibration of a bent shaft – the engines released since 1998:
  – step 1
20
  – step 2
Tighten for 45 °
Bolts of a pulley of a bent shaft
20
Bolts of a rotor of the sensor of a bent shaft
13
Bolt of an asterisk of a bent shaft:
  – step 1
130
  – step 2
Tighten for 40 – 50 °
Bolts of a head of cylinders:
  – step 1
25
  – step 2
Tighten for 90 °
  – step 3
Tighten for 90 °
  – step 4
Tighten for 90 °
  – step 5
Tighten for 15 °
Bolts of a drive plate:
  – step 1
55
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Fastenings of the engine and transmission:
Left and right support:
  – the nut fixing a support to a body
55
  – the nut fixing a support to its arm
40
  – the bolts fixing a support arm to the block of cylinders
60
Back support:
  – the bolts fixing a support to the transmission
40
  – the nuts fixing a support to a cross-piece
20
  – the bolts fixing a cross-piece to a body
45
  – the bolts fixing the transmission to the engine:
  – the bolts fixing the transmission to the block of cylinders
60
  – the bolts fixing the transmission to a flange of the oil pallet (engines with the compound oil pallet)
40
Bolts of a basic arm of the engine and transmission (engines with the integral oil pallet):
  – a bolt, the fixing arm to the engine
40
  – the bolts fixing an arm to the transmission
22
Flywheel bolts:
  – step 1
65
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Bolts of covers of radical bearings:
  – step 1
50
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Bolts of a cast part of the oil pallet (engines with the compound oil pallet):
  – step 1
20
  – step 2
Tighten for 45 °
Oil filter
15
Oil pump:
  – fixing bolts
8
  – pump cover screws
6
  – bolt of the reducing valve
50
Bolts of a maslozaborny branch pipe:
  – engines with the integral oil pallet
8
  – engines with the compound oil pallet:
     • the bolts fixing a maslozaborny branch pipe to a casing of the oil pump
8
     • M6 bolts fixing a maslozaborny branch pipe to a cast part of the oil pallet
10
     • M8 bolts fixing a maslozaborny branch pipe to a cast part of the oil pallet
20
Bolts of the oil pallet (oil pallet, two-piece):
  – pallet bolts:
     • step 1
8
     • step 2
Tighten for 30 °
  – bolts of a cast part of the oil pallet:
     • the bolts fixing the block to the block of cylinders and the oil pump
20
     • the bolts fixing the block to the transmission
40
Cap of a drain opening of the oil pallet:
  – a cap with a six-sided head
45
  – a cap with a tetrahedral head
10
Bolts of a cover of a gas-distributing belt:
  – external cover
6
  – back cover
8
Intermediate pulley of a gas-distributing belt:
  – pulley bolt
25
  – arm bolts
25
  – bolt of a natyazhitel of a gas-distributing belt
20
2,5 and 3,0 liters engines
Bolts of a natyazhitel of an additional belt
35
Bolts of a dividing partition
8
Bolts of covers of bearings of the camshaft
8
Camshaft cover bolts
8
Camshaft sensor bolt
8
Camshaft asterisk bolt:
  – step 1
50
  – step 2
Tighten for 60 °
  – step 3
Tighten for 15 °
Rod cover bolt:
  – step 1
35
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Bolts of a ventilating tube of the right block of cylinders
25
Bolt of an arm of the engine intended for fastening the elevator
25
Bolts of the pump of cooling liquid
25
Bolts of a pulley of the pump of cooling liquid:
  – step 1
8
  – step 2
Tighten for 30 °
  – step 3
Tighten for 30 °
Bolts of a ventilating tube of a case of the engine
8
Bolts of a pulley of a bent shaft
20
Bolts of a rotor of the sensor of a bent shaft
15
Bolt of an asterisk of a bent shaft:
  – step 1
250
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Bolts of a head of cylinders:
  – step 1
25
  – step 2
Tighten for 90 °
  – step 3
Tighten for 90 °
  – step 4
Tighten for 90 °
  – step 5
Tighten for 15 °
Bolts of a branch pipe of cooling liquid of a head of cylinders
30
Bolts of a drive plate:
  – step 1
65
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Fastenings of the engine and transmission:
Left and right support:
  – the nut fixing a support to a body
55
  – the nut fixing a support to its arm
40
  – the bolts fixing a support arm to the block of cylinders
60
  – shock-absorber bolts
40
Back support:
  – the bolts fixing a support to the transmission
40
  – the nuts fixing a support to a cross-piece
20
  – the bolts fixing a cross-piece to a body
45
The bolts fixing the transmission to the engine:
  – the bolts fixing the transmission to the block of cylinders
60
  – the bolts fixing the transmission to a flange of the oil pallet
40
Flywheel bolts:
  – step 1
65
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Bolts of the block of covers of radical bearings:
  – bolts of covers:
     • step 1
50
     • step 2
Tighten for 60 °
     • step 3
Tighten for 15 °
  – fitting of the block of covers
8
  – the bolts (M8) fixing the block of covers to the block of cylinders
20
Oil heater:
  – cover bolts
20
  – cover nuts
30
  – bolts and nuts of connections of tubes of the oil heater
30
Oil filter
15
Screws of a cover of the oil pump
8
Fixing bolts of the oil pump:
  – M6 bolts with an original back cover of a gas-distributing belt:
     • initial moment of an inhaling
8
     • final moment of an inhaling
10
  – M6 bolts with the modified back cover of a gas-distributing belt
10
  – M8 bolts:
     • step 1
12
     • step 2
20
Bolts of a maslozaborny branch pipe
8
Bolts of a pulley of the pump of the hydraulic booster of steering:
  – step 1
20
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Bolts of the oil pallet:
  – pallet bolts:
     • step 1
8
     • step 2
Tighten for 30 °
Bolts of a cast part of the oil pallet:
The bolts fixing a cast part to the block of cylinders and the oil pump
20
The bolts fixing a cast part to the transmission
40
Cap of a drain opening of the oil pallet:
  – a cap with a six-sided head
55
  – a cap with a tetrahedral head
10
Bolts of a cover of a gas-distributing belt:
  – external cover
8
  – back cover:
     • M6 bolts
8
     • M8 bolts
10
Bolt of the lower directing pulley of a gas-distributing belt
40
Pulley of a natyazhitel and the top directing pulley of a gas-distributing belt:
  – the bolts fixing an arm of pulleys to the block of cylinders
40
  – nut of a pulley of a natyazhitel
20
  – a bolt of the directing pulley
40











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