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:
Anti-corrosion treatment
Caution
Missing anti-corrosion treatment results in damage
to the onboard supply.
Note
All threaded connections must be tightened to specified
torque.
...
Battery with »standard« colour indicator
This is a maintenance-free battery with liquid electrolyte
(wet battery).
WARNING
It is not permissible to test or charge batteries
whose colour indicator is light yellow. Do not
slave/ ...
Measurement location
Note
The vehicle shown in the illustration may differ from the actual
vehicle.
1 -
Volkswagen logo
Laser pointer aligned to centre of Volkswagen logo
2 -
Wheel centre mounting -VAS 6350/1-
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