Volkswagen Polo Service & Repair Manual: Driving Noise
Tires, Rolling Noises, General Information
Rolling noise perceived by the human ear is caused by
vibrations transmitted from the noise source to the ear via the
air.
Here we are interest ...
Other materials:
4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
Note
Do not repair the heated oxygen sensor wires. Repairing may
result in malfunctions.
Use the faulty sensor as a guide for installing all of the
accompanying attachments, cable ties or marking bands.
...
Tread Depth, Measuring
Note
When measuring tread depth, take measurements in the main
grooves.
Do not take measurements at the tread wear indicator.
Tread depth of a tire must be mea ...
Tire Sizes, AWD Vehicles
Note the following regarding AWD vehicles:
Only tires having the same size and are manufactured by the
same manufacturer and have the same profile may be used on the
front and rear.
Different rolling circumfe ...
