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:
Vehicle Diagnostic Tester, Connecting, Golf MY 1998 through 2003
Apply the parking brake.
–
In vehicles with automatic transmission, move the selector
lever to the “P” or “N” position.
–
In vehicles with manual transmissions, move the shift l ...
Switching the TCS on and off
Fig. 116 In the centre console: button
for switching the TCS on and off manually
First read and observe the introductory information
and safety warnings The electronic stability control (ESC) only
functions when the engine is running. It consists of ABS, EDL and TCS.
When the engine is r ...
Repairs and technical modifications
First read and observe the introductory information
and safety warningsRepairs and modifications must always be carried
out according to Volkswagen specifications .
Unauthorised modifications to the electronic components or software in the vehicle
may cause faults. As the electronic componen ...
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Vibration, Road Test, Performing Before Balancing
Flat Spots, Correcting