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Road Test, Performing
– Perform a road test after balancing the wheel/tires.
If a vibration is still detected during the road test, the cause may
be due to tolerance in the wheel centering.
The component tolerances of wheels and wheel hubs can be ad‐
ditive in unfavorable cases. Vibration can result from this. This
can be eliminated using a finish balancer. Refer to
⇒ “4.3.3 Wheel, Balancing with Finish Balancer”, page 315
4.3.3
Wheel, Balancing with Finish Balancer
Note
♦
Working with a Finish Balancer requires instruction from the
manufacturer of the balancer.
♦
When balancing, place the wheels of the driven axle on the
turntable sensors. On a FWD vehicle, the front wheels must
be on the sensors. On AWD vehicles, all four wheels must be
on the sensors.
If it is determined when balancing on the vehicle the remaining
imbalance is more than 20 grams, the wheel should be rotated on
the wheel hub.
– Mark the point at which the imbalance is indicated.
– Afterwards, unbolt the wheel and rotate its position on the
wheel hub so that the marking points downward.
Note
The wheel hub must not turn during this procedure.
– First, tighten the lowest wheel bolt hand-tight to approximately
30 Nm.
– Tighten the remaining wheel bolts diagonally to approximately
30 Nm. This process centers the wheel properly on the wheel
hub.
– Check again whether the imbalance is less than 20 grams us‐
ing the finish balancer.
Note
The imbalance should not be smaller than 20 grams under any
circumstances before changing balance weight.
– Loosen the wheel bolts again, if necessary.
– Rotate the wheel relative to the wheel hub once more by one
or two wheel bolt holes.
– Tighten the wheels according to the method described above.
Note
Only if the imbalance is less than 20 grams should the imbalance
be reduced by changing the balance weight.
Golf 2015 ➤ , Golf Variant 2015 ➤
Suspension, Wheels, Steering - Edition 03.2016
4. Wheel/Tire Vibration, Causes and Solution
315