Volkswagen Polo Service & Repair Manual: Vibration, Vibration Control System
| Expanded functions can be performed using Hunter RFT33VAG
Road Force Touch™ Wheel Balancer -VAS6230B4- in addition to the
previously known balancers. |
| A special characteristic of this system is testing the
radial force of wheel/tire during rolling. |
| For this purpose, a roller presses a force of approximately
635 kg (0.7 ton) against the wheel. This simulates the tire
contact force against the street surface while driving. |
| Tire contact forces fluctuate due to radial- and lateral
run-out and differing rigidity in the tires. |
| The Hunter RFT33VAG Road Force Touch™ Wheel Balancer
-VAS6230B4- detects and stores the position of the maximum
measured radial force in the tires. After that, the position of
smallest dimension between rim flange and disc wheel center is
measured. |
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If a vehicle comes to the workshop with the complaint
“vibration”, a road test must be performed before balancing the
wheels.
That wa ...
Flat spots cannot be removed from tires with workshop
equipment.
Such flat spots can be "driven out" only by driving the car
un ...
Other materials:
Battery Safety Label
Battery Safety Label
1. -
When working in the area of batteries, fire, sparks, open
flame and smoking are prohibited. Avoid sparks when working with
cables and electrical devices, and from electrostatic discharge.
Avoid s ...
Settings menu
First read and observe the introductory
information and safety warnings
Settings menu
Function
Language
Setting the language for the display texts and messages in the
navigation system.
MFD data
Settings for which MFD data should ap ...
Sealing and inflating tyres
First read and observe the introductory
information and safety warnings
Sealing a tyre
Unscrew the cap from the tyre valve.
Use the valve core extractor to screw the valve core out of the tyre
valve. Place the core on a clean surface.
Shake the tyre filler bottle vigorously up ...
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Vibration, Road Test, Performing Before Balancing
Flat Spots, Correcting