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Home >> Volvo >> 2006 >> C70 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Electronics - Design And Function - 4 Of 4 >> Suspension And Steering (2006-2013) >> Design >> Front Wheel Suspension

Front Wheel Suspension

Fig 1: Identifying Front Wheel Suspension Components
GLL140738Courtesy of VOLVO CARS CORPORATION
  1. Upper bearing, upper mount and spring seat
  2. Rear bushing
  3. Clamp
  4. Anti-roll bar
  5. Spring
  6. Lower seat
  7. Wheel spindle
  8. Sub-frame
  9. Front bushing
  10. Control arm
  11. Ball joint
  12. Spring strut.

The front suspension is of the McPherson type, which means that the wheels are independently sprung.

The suspension on either side consists of: sprint strut (12), control arm (10) and wheel spindle (7). The anti-roll bar (4) is secured in the sub-frame (8) with two clamps (3) and in the spring strut (12). There are a number of anti-roll bar variants.

Spring strut 

The upper end of the spring strut is anchored to the wheel arch by way of the upper bearing and the upper mounting (1). The lower end of the spring strut (12) is attached to the wheel spindle (7). The spring strut consists of a pipe into the lower part of which the wheel spindle is pressed and bolted. The wheel spindle is attached to the control arm via the ball joint (11). The ball joint is secured in the lower part of the wheel spindle. The lower spring seat (6) welded to the upper part of the tube.

Shock absorber 

The shock absorber is integrated in the spring strut.

The shock absorber is located in the pipe and is held in place by a screw in the upper end and a seat in the bottom of the pipe.

The shock absorber piston rod is guided by the upper bearing (1). The upper bearing is secured in the upper mount. The bearing consists of a bearing pressed into a plate sleeve which is vulcanized with rubber. Against the upper bearing, the spring provides support via the upper spring seat (1). On the underside of the spring seat there is a buffer and a protective sleeve for the shock absorber piston.

Control arm 

The control arm (10) is mounted on the sub-frame (8) using the front bushing (9) and the rear bushing (2).

The Toe-in/Toe-out is adjusted using the tie rods.

Sub-frame 

The sub-frame (8) is made of two welded plates and a number of smaller plates.

The rear bushing (2) is bolted to the sub-frame.

Settings 

There are two different settings for shock absorber, spring and anti-roll bar: dynamic setting or comfort setting.

Axle shaft 

The drive shaft joint is secured with a locking bolt.