Volkswagen Golf Service & Repair Manual: 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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Note
Before working with a finish balancer, the mechanic needs to
have been instructed by the manufacturer of the balancer.
...
Radial and lateral run-out occur when the wheel and tyre do
not run absolutely true.
For technical reasons, 100% true running is not possible.
...
Other materials:
Instrument overview
Fig. 12 Instrument cluster in the dash
panel
First read and observe the introductory information
and safety warnings Descriptions of the instruments :
Rev. counter (running engine speed in revolutions x 1,000
per minute).
The start of the red zone on the dial indicates the ma ...
Removing and installing speed sensor on rear axle -G44-/-G46-, vehicles with
four-wheel drive
Note
Removal and installation is described for the rear left
speed sensor. Removal and installation of the rear right speed
sensor is analogous.
Removing
–
Raise vehicle.
&nbs ...
Towing a trailer
Fig. 154 ParkPilot screen display when
towing a trailer (colour)
First read and observe the introductory information
and safety warnings Only the scanned area to the front of the vehicle is
shown on the infotainment system screen in vehicles with a factory-fitted towing
bracket and a tra ...
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Balancing wheel, balancing wheel with finish balancer
Checking radial and lateral runout of wheels and tyres, tolerances