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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Passat B6 (from the year 2004)

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Volkswagen Passat B6
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Passat B6
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General information on wheels and tires
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Depreciation and divergence tires
Wear high-speed tires
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Measure the tread depth
One-sided wear
Diagonal uneven wear
Tire rolling noise
Balancing
Radial and lateral palpation of wheels and tires
Minimization
Lateral withdrawal of the car
Eliminating slip
Damage to tires
The design of the radial tire
Loss of air pressure in the tires
Damages of tires because of errors at mounting (assembly damages)
Marking the tire sidewall
Shift of wheels
General provisions for CO regulation of the axle (axle measurement), the Passat
Correction of the camber of the front axle
Adjusting the camber of the rear axle
Adjusting the toe of the rear axle
Adjusting the toe of the front axle
Passat with the 2006 model year
Checking the paintings wear, pressure, tread depth of tires
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Marking the tire sidewall



Marking the tire sidewall
Fig. 4.29. Marking the tire sidewall: 1 - marking dimension; 2 - the manufacturer (brand name); 3 - designation of the tread pattern; 4 - designation tubeless tires; 5 - Radial construction; 6 - an indication of the performance of "the protection of the rim"; 7 - the date of manufacture; 8 - certificate number = designation of the permit; 9 - producing country; 10 - internal code tread DUNLOP; 11 - DOT - Department of Transportation; 12 - code DOT; 13 - the maximum load and the maximum air pressure; 14 - the number of layers in the middle of the tread and sidewall, and an indication of the material; 15 - position of the wear indicators TWI (Tread Wear Indicator); 16 - Relative service life - wear; 17 - evaluation of braking performance on wet surfaces A, B or C; 18 - Evaluation of resistance to temperatures of A, B or C; 19 - the safety of operation or mounting the tire; 20 - an indication of the "ultralight design"; 21 - the prescribed direction of rotation of the tire; 22 - Designation of Conformity Inmetro


In kachastve example, in Figure 4.29, shows the bus ?�Dunlop SP Sport 9000".

Explanation of tire markings
Explanation of tire markings, see Tables 4.5-4.7.

Rubber valve

Rubber valve
Fig. 4.30. Rubber valve: 1 - the valve body; 2 - spool valve; 3 - cap


See Fig. 4.30.

The valve body
Rubber valve for tubeless tires is formed so as to seal the hole in the rim disc. The elastic material of the rubber body firmly pressed against the rim of the hole.
When screwed metal valves rubber gasket seals the joint of the rim. The boundary surface of the opening of the valve are both sealing. Therefore, they should not rust, dirt and damage.

The spool valve
The most important task in the valve spool carries. It seals and allows you to adjust the air pressure. Small poppet seal provides sealing on the spool only in the case if there are no contaminants and moisture. The compressor for pumping tires should not be water and oil.

Cap
On the valve should always be screwed cap. It prevents the penetration of dirt in the valve. If there is dirt in the valve, they pumped the tires, would fall on the valve plate seal and cause leaks.
With each new tire mounting the valve must be replaced.
When driving without caps on valves there is a danger of them getting into the mud. This will lead to a slow deflating the tire, which could then cause destruction of the tire.

ATTENTION
The tightness is guaranteed only when tightly screwed cap.




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