Volkswagen Polo Service & Repair Manual: Run-Flat Tire, Retrofitting/Conditions for use of Run-Flat Tires
Caution
Using run-flat tires on vehicles is permitted only
if the run-flat tire is supplied with the vehicle either
as standard equipment or as an option. |
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Because pressure loss in a run-flat tire is not always
visible, these tires should only be used on vehicles equipped
with a tire pressure monitoring system. This system warns the
driver when the tire pressure falls below a certain value. |
The following are permitted: |
Direct measuring systems. Refer to
→ Suspension, Wheels, Steering; Rep. Gr.44. |
Indirect measuring systems. Refer to
→ Suspension, Wheels, Steering; Rep. Gr.44. |
Only mount run-flat tires on disc wheels with an extended
double hump (extended hump - EH2). Refer to
→ Chapter „Identification“. |
Pay close attention to the installation instructions. Refer
to
→ Chapter „Tires, Mounting“. |
Do not install both run-flat tires and standard tires, even
if the two tires on each axle will be the same. |
A standard tire can only be installed in exception cases for
a short time or a limited driving distance. The specific
characteristics designed for driving with a flat tire will not
be available. The driver must be informed of this. |
Always Pay Attention to the Recommended Tire Brand. Refer to
→ Wheel and Tire Guide; Rep. Gr.44. |
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Run-flat tires have a reinforced sidewall in comparison to
standard tires. This reduces the tendency for the sidewall to
roll when there is a loss of pressure and pre ...
WARNING
Run-flat tires must be replaced after they have gone
flat.
Pay cl ...
Other materials:
Vehicle Diagnostic Tester, Connecting
Special tools and workshop equipment
required
Vehicle Diagnostic Tester
Vehicle Diagnosis System - Diagnostic Cable -VAS5051/6A- (5
m)
Vehicle Diagnosis System - Updated Cable - 3 ...
Checklist
The following steps should always be carried out in the specified
order before working in the engine compartment :
Park the vehicle on a level and stable surface.
Depress and hold the brake pedal until the
engine has stopped.
Apply the handbrake firmly Braking, stopping
and p ...
Rolling Resistance Tires
Tire deformation when rolling causes the vehicle to loose
energy that makes the rolling resistance noticeable.
Deformation is significantly lowered on rolling resistance
tires due to new construction and low-wear surface mixtures.
...
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