Jetta L4-2.0L (AZG) (2004)
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The vehicle handles poorly.
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Components were damaged and have been replaced.
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Axle components were removed.
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Tire wear patterns are uneven.
Test Requirements:
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Check suspension, wheel bearing, steering and steering linkage for excessive play and damage.
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Tire tread depth difference of no more than 2 mm on an axle.
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Tires inflated to correct pressure
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Vehicle unladen
Fuel tank must be full
Spare wheel and vehicle tools are stowed at correct installation locations.
The fluid reservoir for the windshield/headlight washer system must be full.
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Make sure that the sliding plates and turn tables (alignment equipment) are not touching the end stop when checking wheel alignment.
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Do not check vehicle alignment before vehicle has completed 1000 to 2000 km (600 to 1200 miles), to allow coils springs to settle.
Note: The test equipment must be properly adjusted and attached to the vehicle; observe manufacturer's operating instructions.
Adhere to manufacturer of your vehicle alignment equipment for training as required.
Vehicle alignment platforms vehicle alignment units/vehicle alignment computers can lose their calibration over a period of time.
Vehicle alignment platforms and vehicle alignment units/vehicle alignment computers should be checked and if necessary adjusted within the
framework of an inspection/maintenance at least once a year!
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Treat these highly sensitive units carefully and conscientiously!
Preparations for measurements
Special tools, testers and auxiliary items required
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Brake pedal depressor V.A.G. 1869/2
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The lateral runout of the wheel must be compensated for. Otherwise the result of the measurement will be incorrect.
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If the lateral runout compensation is not performed it is not possible to adjust the toe correctly!
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When doing this observe information from the manufacturer of the wheel alignment unit.
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Carry out wheel run-out compensation.
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Lower vehicle and bounce springs.
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Install brake pedal loading device V.A.G. 1869/2 .
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Press brake pedal with brake pedal depressor.
Vehicle trim height "Zero position"
In general!
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If a value lies outside the tolerance, the vehicle's trim height must be checked first.
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If the measured values are outside the allowed tolerances, the cause may be an incorrect vehicle attitude.
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Right-hand drive vehicles or for example vehicles with automatic transmission can lean to one side slightly.
This is due to the installation position of components and weight distribution
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It is absolutely necessary to measure dimension - a - on left and right sides.
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The O line on the roof means the horizontal position (zero position) of the vehicle.