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:
Removing and installing valve, metal valve
Special tools and workshop equipment
required
Torque wrench -V.A.G 1410-
Carry out the following work:
Removing
–
R ...
One-sided wear
This is often caused by driving style, but can be the result
of incorrect wheel alignment.
Increased one-sided wear
One-sided wear, usually in conjunction with signs of
scuffing on ...
Introduction
This chapter contains information on the following subjects:
→ Indicator lamps and fuel gauge
→ Filling the tank with petrol, diesel or E85
→ Things to note for diesel vehicles
→ Capacities
→ Checks when filling the tank
The fuel c ...
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Vibration, conducting a road test before balancing wheels
Eliminating flat spots caused by storage or handling