VW Polo manuals

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.
 

Vibration, Vibration Control System

Vibration, Road Test, Performing Before Balancing
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, Correcting
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:

Primary Lock
The primary lock is the locking mechanism of an individual crimp contact in the contact housing. If necessary, housing securing mechanisms (secondary locks) must be released or removed using specified tool before releasing the contacts. ...

Running-in
First read and observe the introductory information and safety warningsPlease follow the regulations concerning running-in new parts. Running in a new engine Any new engine has to be run in during the first 1,500 kilometres. During its first few hours of running, the internal friction in the ...

Wheel, Balancing on Stationary Balancing Machine
Before beginning balancing, the following requirements must be fulfilled. The tire pressure must be OK. The tire profile must not be worn on one side. The tire profile must be at least 4 mm. ...

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