Volkswagen Golf Service & Repair Manual: Vibration, vibration control system
| Using the vibration control system -VAS 6230 A- you can
perform more functions than just stationary balancing. |
| A special feature of this system is the testing of the
radial force of the wheel and tyre while rolling. |
| A roller presses against the wheel with a force of about 635
kg. This simulates the vertical tyre force against the road
surface during travel. |
| Radial and lateral run-out in the wheel and tyre and
differences in the stiffness of the tyre cause the vertical
force of the wheel to vary. |
| The -VAS 6230 A- detects and stores the position of the
maximum measured radial force in the tyre. Then the position of
the smallest distance between the wheel rim flange and the
centre of the rim is measured. |
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If a customer brings a vehicle to the workshop complaining
about “vibration”, a road test is essential prior to balancing
the wheels.
...
Eliminating flat spots caused by storage or handling
Flat spots caused by storage or handling cannot be
eliminated from the tyre using workshop ...
Other materials:
Assembly overview - steering wheel
1 -
Steering column
Removing and installing
→ Chapter
The centre punch marks -arrows- on the
steering wheel and the steering column must align when reinstalling.
Some steering columns leave the factory with no centre ...
Checking steering column for damage
Visual check
–
Check all steering column parts for damage.
Checking function
–
Check that steering column turns smoothly and easily.
–
Check whe ...
Charging battery in support mode with battery charger -VAS 5095A-
General notes:
The support mode provides the onboard supply with power when
the battery is removed or disconnected.
For further information, refer to the
→ operating manual VAS 5095A.
Th ...
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Vibration, conducting a road test before balancing wheels
Eliminating flat spots caused by storage or handling