Final Drive and Drive Shaft Specifications (Opel Omega A)

For later model years, see Appendix at the end of the Manual (Section 13).

Main gear

Type - Unsprung, attached to the rear suspension crossmember and the bottom

Ratio - 3.70:1

Number of teeth:

• Driven gear of the main transmission - 37
• Leading gear - 10

Drive shaft

Type - Maintenance-free with two CV joints

Lubrication

Final Drive Lubricant Type/Specification: Except Limited Slip Differential - Transmission Oil, SAE 90 Viscosity (Duckhams Hypoid 90S)

Limited slip differential - Special grease GM 19 42 382 (9 293 688) (Duckhams Hypoid 90DL)

Quantity:

• Sedan - 0.8 l.
• Station wagon - 1.0 l.

Lubrication of CV joints of drive shafts - Special grease GM 19 41 522 (90 007 999)

Tightening torques, Nm

Rear block to bottom:

• Stage 1 - 30
• Stage 2 - Tighten 30°-45°

Rear Block to Final Drive Pinion - 110

Final Drive Rear Cover - 60

Final drive mechanism to the cross member:

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• Stage 1 - 110
• Stage 2 - Tighten 30°-45°

Drive shaft to hub:

• Stage 1 - 50
• Stage 2 - Tighten 45°-60°

Final drive mechanism filler plug - 22

Cardan shaft slider coupling nut - 40

Cardan shaft central bearing suspension - 20

Cardan shaft to soft joint (hex bolt) — 100

Cardan shaft to soft joint (socket bolt):

• Stage 1 - 50
• Stage 2 - Tighten 45°-60°

Anti-roll bar clamps - 22

Speed sensor suspension (with ABS) - 60

Speed sensor to suspension (with ABS) - 7