Wheel Alignment - Inspection and Adjustment: Other Volvo V70 II

Checking Play, Rear

Lift up the rear suspension.

Note. Only the toe angle can be adjusted on the rear end but the camber angle must also be checked.

Check that there is no play in

1. the wheel bearings. (If there is play the hub assembly must be replaced)
2. the control arms, lateral link and track rod.

If there is play in any of the components above, this must be remedied before the wheel settings are checked/adjusted.

Scheme 6

Set up the test equipment on the front and rear wheels. Set up the test equipment according to the instructions.

Position the turntables under the front wheels. Use turntables which take up lateral movement

Note. The car must stand level when the front wheels are on the turntables. This is to ensure that the correct values are obtained when checking the camber and caster.

Bounce the front and rear suspension heavily a few times when the car has sunk onto the turntables. This is so that the suspension resumes the normal setting.

HINT: The following order of work is recommended for best results

1. Step 1 Camber angle front check/adjust.
2. Step 2 Rear suspension angles check/adjust.
3. Step 3 Check/adjust front toe angle.

Checking The Camber Angle, Front

Check the camber angle on both sides.

Scheme 7

Conditions

The camber angle is adjusted by moving the stub axle at the upper hole in the spring strut outwards or inwards depending on the value measured.

If the stub axle is centred in the spring strut, the degree of adjustment is 0.5°.

Adjustment

Raise the front end.

Remove

1. the instrument
2. the wheel.

Replace the screws and nuts securing the spring strut to the stub axle. Tighten to light contact.

Press the stub axle in or out to the maximum, depending on the value measured in relation to the spring strut.

Tighten the screws according to Tightening torque .

Install

1. the wheel. See «Installing wheels»(ref-406900-S36743861182011070100000) .
2. the instrument and make a new adjustment according to the instructions.

Lower the car on the turn table. Rock the car a few times. Check the values.

Checking The Camber Angle, Rear

Check the camber angle on both sides.

Scheme 8

Note. Always check thrust angle when checking/adjusting rear toe angle.

Check that the instruments are adjusted in relation to each other on the front and rear axles. This is extremely important so that the rear wheel toe angle can be adjusted in relation to the car's thrust line (geometric driving axis). The thrust line is the line created when the toe angles for the rear wheels are equally divided. See the illustration.

The difference between the symmetry line of the wheels and the thrust line is called the thrust angle. The thrust angle must not deviate by more than a maximum of 0° 0.25° from the symmetry line of the wheels.

Note. The differences in the diagram are heavily exaggerated in order to illustrate the differences.

Scheme 9

Check

1. the symmetry line of the wheels
2. the thrust line
3. the thrust angle
4. Toe angle.

Scheme 10

1. Slacken off the inner nut on the track rod
2. Adjust the toe angle. Tighten the nuts slightly.
3. Check the thrust angle. It it does not comply with the specified value, undo the nuts and readjust the toe angle.
4. Tighten the nut. See: «Tightening torque»(ref-406974-S37954879972011070100000) .

Scheme 11

Check the caster angle on both sides.

The correct value is 4.0° 1.0°. The caster angle must not vary by more than 0.25° between the left and right-hand sides.

Checking Front Toe Angle

Check that the instruments are calibrated to each other on the front and rear axles. This is very important so that the front toe angle can be adjusted in relation to the thrust line of the car (geometric driving axis). The thrust line is the line formed when the rear wheel toe angles are divided equally, see illustration.

The difference between the symmetry line of the wheels and the thrust line is called the thrust angle. The thrust angle must not deviate by more than a maximum of 0° 0.25° from the symmetry line of the wheels.

Note. The differences in the diagram are heavily exaggerated in order to illustrate the differences.

Check

1. the symmetry line of the wheels
2. the thrust line
3. the thrust angle.

Scheme 12

Adjust with the tie rods after loosening the lock nuts. Adjusting towards a positive value will give toe-in and towards a negative value toe-out.

Note. The lengths of the tie rods must not vary between themselves by more than 2mm. Measure between the lock nut and the edge of thread.

Tighten the lock nut, outer steering arm inner to steering arm inner. See: Tightening torque .

Treat the strut threads using rustproofing agent after tightening.

Scheme 13

A minor misalignment of the steering wheel can be adjusted in conjunction with adjusting the toe angle above.

For larger deviations in the steering wheel, adjust the position of the steering wheel. See Adjusting the position of the steering wheel .

Adjusting The Position Of The Steering Wheel

Special tools

9988695

Check Steering Wheel Position

Checking the steering wheel position

1. Drive the car straight forward and check that the steering wheel is in the "straight ahead" position
2. If the steering wheel position is incorrect adjust as follows.

Adjusting The Steering Wheel Position

Remove the steering wheel

1. Remove the driver's airbag module. See «Airbag driver and passenger (SRS), replacing»(ref-441126-S13529045942011121500000) .

Scheme 14

1. Remove the locking screw from the ""parking hole"" in the steering wheel. Install the screw in the contact reel.

Scheme 15

1. Remove the steering wheel screw
2. Ensure that the front wheels and steering wheel are in the straight-ahead position
3. Remove the steering wheel. NOTE: Take care to ensure that the connector does not catch on the steering wheel during removal.

Zero the contact reel

Zero the contact reel. See Contact reel driver airbag module, resetting .

Install the steering wheel and check the steering wheel position

Scheme 16

Note. Ensure that front wheels are pointing straight ahead.

1. Pull the connectors from the contact reel through the steering wheel
2. Install the steering wheel carefully so that both catches on the contact reel are seated in the two recesses in the steering wheel hub
3. Install the steering wheel screw. Use a new screw . Finger tighten. CAUTION: Do not turn the steering wheel when it is on the steering shaft. Since the contact reel is locked, it will be damaged beyond repair if the wheel is turned in this situation.
4. Remove the locking screw holding the contact reel. Install the contact reel in the parking hole in the steering wheel
5. Connect tool «9988695»(ref-403953-S24015714492011061000000) to the contact reel cable
6. Drive the car straight forward and check that the steering wheel is in the "straight ahead" position
7. If the steering wheel position is incorrect repeat the adjustment.

Tighten Steering Wheel

Tighten the screw in the center of the steering wheel

1. Remove tool 998 8695
2. Tighten the screw in the center of the steering wheel. Tighten to 35 Nm
3. Check that the SRS light is extinguished, i.e. that no DTCs are present.

Install the steering wheel module

Scheme 17

1. Turn the ignition key to position I to unlock the steering wheel
2. Position the lower section of the steering wheel module against the steering wheel
3. Connect the connector
4. Fold in the steering wheel module. Ensure that wiring lies free and is not trapped
5. Secure the steering wheel module with the Torx screws from the side
6. Tighten the steering wheel module screws. Tighten to 10 Nm .

Check the function

Ensure that the steering wheel turns easily and that the steering lock functions.

Check that no diagnostic trouble codes (DTCs) have been stored while the repair was carried out.