Steering; Features; Hydraulic System - Alfa Romeo 159 Training Material

STEERING

7. STEERING

7.1 FEATURES

The steering is designed to ensure the best sporty driving performance, optimal handling and low effort when parking.
These objectives, in combination with high handling comfort, has led to the creation of a steering with the following
general technical features:
Steering wheel turns:
Steering ratio:
Force on steering wheel: ~4 Nm when stationary
Steering circle:
Steering circle:
The steering ratio is lower than that of the 156 to ensure truly precise and direct steering despite the longer
wheelbase (103 mm).
Handling comfort is improved by perfecting soundproofing of the power steering system and adopting a new steering
wheel and column design, characterised by a high structural stiffness. Furthermore, a new high decoupling vibration
damper is installed on the intermediate steering shaft.
Special care was devoted to passive safety in layout: the electrical steering column lock has been moved away from
the front of the column away from the knee area and a controlled energy absorption collapsing system has been
adopted for the steering column. This, along with the steering wheel airbags, knee bags and the seatbelts ensured
achievement of five star performance in EUNCAP crash tests.

7.1.1 Hydraulic system

1. Steering linkages
2. Steering box
3. Brake oil reservoir
4. Cooling serpentine
Traccia Didattica Alfa 159-en-ridotta.doc
ALFA 159 TRAINING MATERIAL
2.33 total for all versions
13.0 steering wheel turns/wheel turns
11.1 m curb-to-curb
11.6 m wall-to-wall
225/319
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