Suspension, Wheel and Tire Specifications (Opel Vectra C)

Wheel alignment angles

Convergence

Front wheels for all models - +0°±10'

Rear wheels:

• Regular suspension (all models) — 0°6'+10'/-12'
• Reinforced suspension (Z20NET/Z22SE/Z22VH) — +0°±10'
• Sports suspension (Z20NET/Z22SE/Z22YH) — +0°16'±10'

Collapse

Front wheels:

• Regular suspension (all models) — 0°58'±45'
• Reinforced suspension (Z20NET/Z22SE/Z22YH) — 0°48'±45'
• Sports suspension (Z20NET/Z22SE/Z22YH) — 1°7±45'

Rear wheels:

• Regular suspension (all models) — 1°30'±20'
• Reinforced suspension (Z20NET/Z22SE/Z22YH) — 1°12'±20'
• Sports suspension (Z20NET/Z22SE/Z22YH) — 2°±35'

Tightening force of threaded connections, Nm

Self-locking upper mounting bolts of the front shock absorber struts - 20 Nm + 45° + 15°

Self-locking lower bolts/nuts for fastening front shock absorber struts - 85 Nm + 75° + 15°

Upper shock absorber support bearing mounting nut - 100

Nuts for fastening vertical stabilizer struts - 65

Front wheel hub nuts - 150 Nm - loosen by 45° + 250 Nm

Upper rear shock absorber mounting bolts - 90

Lower rear shock absorber mounting bolts - 150

Front wheel hub assembly mounting bolts - 100 Nm + 60° + 15°

Rear wheel hub assembly fastening nuts - 60 Nm + 60° + 15°

Bolt of the clamp for fastening the ball joint of the control arm to the steering knuckle - 30 Nm + 60° + 15°

Bolts for fastening the inner bearings of the control arm - 90 Nm + 75° + 15°

Front subframe mounting bolts - 80 Nm + 120° + 15°

Front bolts for mounting the triangular reinforcements of the rear subframe holder - 100 Nm + 90° + 15°



Inner bolts for fastening the triangular reinforcements of the rear subframe holder - 90 Nm + 45° + 15°

External mounting bolts of the triangular reinforcements of the rear subframe holder - 55 Nm + 45° + 15°

Wheel mounting bolts - 110