Alfa Romeo 155

All makes › Alfa Romeo › 155 › 1997

Cold pressures. Final-tighten wheel nuts with a calibrated torque wrench, never an impact gun. Re-check after 25–50 miles.

Wheel nut torque · 1997

98 Nm

175/65R14, 185/60R14, 195/55R15, 205/50R15

4 bolts

5 bolts

6 bolts

Use the star / cross order that matches the wheel. Start fasteners by hand. Seat the wheel flush on the hub before final torque. Recheck after 25–50 miles. Confirm against the vehicle placard and handbook.

Pressures Torque Placard Location

Workshop checks

When to torque: every time a wheel is off — tyres, punctures, seasonal swap, brakes.

Seat first: the wheel must sit flush on the hub. Dirt or rust under the wheel means the wrench number is meaningless.

Match the seat: conical, ball/radius and flat/washer seats are not interchangeable. Thread size alone is not enough.

Recheck: after 25–50 miles check the same figure again. Do not add extra Nm.

Conicaltapered cone — angle must match the wheel

Ball / radiusrounded seat — common on some OEM alloys

Flat / washerflat clamp, often with a shank and washer

Pressures

Tyre	Normal F/R	Laden F/R	Eco F/R	Torque
175/65R14	32 PSI / 30 PSI	36 PSI / 36 PSI	—	98 Nm
185/60R14	32 PSI / 30 PSI	36 PSI / 36 PSI	—	98 Nm
195/55R15	32 PSI / 35 PSI	36 PSI / 35 PSI	—	98 Nm
205/50R15	35 PSI / 33 PSI	36 PSI / 33 PSI	—	98 Nm

Vehicle

Fitment specs

1992 Bolt Pattern: 5x98. Recorded centre bore (mm): 58.1.Wheel offset (ET)Recorded offset (ET mm):
1992 Bolt Pattern: 5x98. Recorded centre bore (mm): 58.1.Wheel offset (ET)Recorded offset (ET mm):
1992 Bolt Pattern: 5x98. Recorded centre bore (mm): 58.1.Wheel offset (ET)Recorded offset (ET mm):
1992 Bolt Pattern: 5x98. Recorded centre bore (mm): 58.1.Wheel offset (ET)Recorded offset (ET mm):
1992 Centre Bore: 58.1Sponsored(adsbygoogle=window.adsbygoogle||[]).push({});Understanding wheel f
1992 Centre Bore: 58.1SponsoredUnderstanding wheel fitment measurements: Alfa Romeo 155PCD and cen
1992 Centre Bore: 58.1SponsoredUnderstanding wheel fitment measurements: Alfa Romeo 155PCD and cen
1992 Centre Bore: 58.1SponsoredUnderstanding wheel fitment measurements: Alfa Romeo 155PCD and cen
1992 Offset: centre-bore/","name":"Alfa Romeo 155 Wheel Fitment, PCD, Offset & Centre Bore |
1992 Offset: 49.5Rear Offset: 49.5Centre Bore: 58.1SponsoredUnderstanding wheel fitment measu
1992 Offset: 49.5Rear Offset: 49.5Centre Bore: 58.1SponsoredUnderstanding wheel fitment measu
1992 Offset: 49.5Rear Offset: 49.5Centre Bore: 58.1SponsoredUnderstanding wheel fitment measu
1992 Oil: type-capacity/","name":"Alfa Romeo 155 Engine Oil Type & Capacity | Pure Tyre","
1992 PCD: offset-centre-bore/","name":"Alfa Romeo 155 Wheel Fitment, PCD, Offset & Centre
1992 PCD: 5x98Front Offset: 49.5Rear Offset: 49.5Centre Bore: 58.1SponsoredUnderstanding w
1992 PCD: 5x98Front Offset: 49.5Rear Offset: 49.5Centre Bore: 58.1SponsoredUnderstanding w
1992 PCD: 5x98Front Offset: 49.5Rear Offset: 49.5Centre Bore: 58.1SponsoredUnderstanding w
1992 Centre bore: 58.1
1992 Front offset: 49.5
1992 PCD: 5x98
1992 Rear offset: 49.5
1992 Centre bore: 58.1
1992 Front offset: 49.5
1992 PCD: 5x98
1992 Rear offset: 49.5
1992 Centre bore: 58.1
1992 Front offset: 49.5
1992 PCD: 5x98
1992 Rear offset: 49.5
1992 Centre bore: 58.1
1992 Front offset: 49.5
1992 PCD: 5x98
1992 Rear offset: 49.5
1993 Centre bore: 58.1
1993 Front offset: 49.5
1993 PCD: 5x98
1993 Rear offset: 49.5
1993 Centre bore: 58.1
1993 Front offset: 49.5
1993 PCD: 5x98
1993 Rear offset: 49.5
1993 Centre bore: 58.1