Type - Five forward gears and reverse, synchronizer for 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 - Gear Oil, GM 19 40 761 (90 297 261) (Duckhams Hypoid 75W/90S)
Quantity - 1.2 l.
Tightening torques for threaded connections, Nm
Front Coat - 20
Release bearing guide sleeve - 22
Outlet flange - 18
Gearbox bolts to engine:
- Normal - 75
- Reduced diameter - 60
Rear cross member - 45
Carter rear support - 22
Fill/drain plugs - 30
Reversing lamp switch - 20
Retainer plate - 10
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