Opel Omega

since 1993-1999 release

Repair and operation of the car



Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Repair of engines
+ 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
   10.1. Technical characteristics
   10.2. Main transfer
   10.3. Damping plugs of the main transfer
   10.4. Laying of a back cover of the main transfer
   10.5. Epiploon of the leading gear wheel of the main transfer
   10.6. Epiploons of bearings of half shafts
   10.7. Half shaft
   10.8. Boots of a half shaft and external CV JOINT
   10.9. Driveshaft
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment
785173a6



10.1. Technical characteristics

GENERAL INFORMATION

Main transfer

Type
Not sprung, fastens to a cross-piece of a back suspension bracket and a body

Transfer relation of the main transfer

Models till 1998 of release:
  – all models with the 2,0 l 4-cylinder engine
3,90:1
  – models with the 2,5 l 6-cylinder engine:
     • mechanical transmission
3,70:1
     • automatic transmission
3,90:1
  – models with the 3,0 l 6-cylinder engine:
     • mechanical transmission
3,70:1
     • automatic transmission
3,70:1
Models since 1998 of release:
  – all models with the 2,0 l 4-cylinder engine
3,90:1
  – models with the 2,5 l 6-cylinder engine:
     • mechanical transmission
3,90:1
     • automatic transmission
4,22:1
  – models with the 3,0 l 6-cylinder engine:
     • mechanical transmission
3,70:1
     • automatic transmission
3,90:1
Blocking of differential with sliding restriction:
  – usual value
45%
  – minimum value
25%

Half shafts

Type
Not demanding maintenance with hinges of equal angular speeds

Driveshaft


Type
Two-section, tubular shaft with the intermediate basic bearing, the central universal hinge and flexible connecting disks

Lubricants

Amount of oil for the main transfer
1,0 l
The type / specification of lubricant for the main transfer
  Models without differential with sliding restriction:
  – replacement
GM 19 42 382 (9 293 688) lubricant
  – lubricant addition
Gipoidny oil, viscosity of SAE 90
Differential with sliding restriction:
  – replacement:
     • first 0,25 l
Special GM 19 70 452 (90 004 033) additive
     • the remained 0,75 l
Special GM 19 42 382 (9 293 688) lubricant
  – lubricant addition
Special GM 19 42 382 (9 293 688) lubricant
CV JOINT lubricant of half shafts
Special GM 19 41 522 (90 007 999) lubricant

Moments of an inhaling, N. of m.

Fastening of a damper to the main peredache*:
  – stage 1
90
  – stage 2
Tighten on 45 °
  – stage 3
Tighten on 45 °
Fastening of the driveshaft to the transmission or differential:
  – usual bolt
95
  – face болт*:
     • stage 1
50
     • stage 2
Tighten on 75 °
     • stage 3
Tighten on 15 °
Fastening of a half shaft to a nave:
  – stage 1
50
  – stage 2
Tighten on 60 °
  – stage 3
Tighten on 15 °
Opening cap for check of level of oil of the main transfer:
  – stage 1
22
  – stage 2
Tighten on 90 °
  – stage 3
Tighten on 180 °
Fastening of a damper of the main transfer to a cross-piece back подвески*:
  – stage 1
100
  – stage 2
Tighten on 75 °
  – stage 3
Tighten on 15 °
Fastening of a back cover of the main transfer
60
Fastening of the main transfer to a cross-piece back подвески*:
  – stage 1
90
  – stage 2
Tighten on 30 °
  – stage 3
Tighten on 15 °
Fastening of a fixing arm of the central bearing to a body
20
Fastening of the central bearing to a fixing arm
22
Fastening of a flexible disk to the driveshaft:
Usual bolt
95
Face болт*:
  – stage 1
50
  – stage 2
Tighten on 45 °
  – stage 3
Tighten on 15 °
Fastening of the sensor of speed
4

* It is necessary to use new bolts / nuts.