Manual Transmission Specifications (Opel Omega A)

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

Type - Five forward gears and reverse, synchronizer on all gears

Designation - R25

Relationship

• 1st gear - 4.044: 1
• 2nd gear - 2.264: 1
• 3rd gear - 1.434: 1
• 4th gear - 1.000: 1
• 5th gear - 0.842: 1
• Reverse - 3.748: 1

Lubricant

Type/Specification - Transmission Oil, GM 19 40 761 (90 297 261) (Duckhams Hypoid 75W/90S)

Quantity - 1.2 l.

Tightening torques for threaded connections, Nm

Front cover - 20

Release Bearing Guide Sleeve - 22

Output flange - 18

Gearbox to engine bolts:

• Normal - 75
• Reduced diameter - 60

Rear crossmember - 45

Rear support housing - 22

Fill/drain plugs - 30

Reverse Light Switch - 20

Retainer plate - 10

(Original posted on the website: «www.opelbook.ru»)