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:
Vents
Fig. 128 In the dash panel: vents
First read and observe the introductory information
and safety warnings The vents should be left
open to ensure that the vehicle interior is sufficiently heated, ventilated and
cooled.
Turn the relevant thumb wheel (magnified view) in the required ...
Introduction
This chapter contains information on the following subjects:
→ Warning lamp
→ Frontal collisions and the laws of physics
→ What happens to vehicle occupants who have not fastened their seat belts
→ Seat belt protection
→ Using seat belts
→ ...
Introduction
This chapter contains information on the following subjects: → Wheel cover
→ Wheel bolt caps
Additional information and warnings:
Tyre monitoring system
Cleaning and caring for the vehicle exterior
Vehicle toolkit
Changing a wheel
Breakdown set
...
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Vibration, Road Test, Performing Before Balancing
Flat Spots, Correcting