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Fig. 2: Calculating Thrust Angle PRELIMINARY CHECKS Before adjusting wheel alignment, check following: z Do not check vehicle alignment before vehicle has completed 600 to 1200 miles, to allow for coils z Ensure tires are of same construction and tread style, equal in tread wear and overall diameter. Verify that z Tire tread depth difference of no more than .079" (2 mm) on each axle. z Steering linkage and suspension must not have excessive play. Check for wear in tie rod ends and ball z Vehicle must be on level floor with full fuel tank, no passenger load, spare tire in place and no load in z Steering wheel must be centered with wheels in straight ahead position. If required, shorten one tie rod z Wheel bearings should have the correct preload and wheel bolts must be tightened to manufacturer's z The fluid reservoir for the windshield/headlight washer system must be full. z Ensure that sliding plates and turntables (alignment equipment) are not touching an end stop when RIDE HEIGHT ADJUSTMENT VEHICLE TRANSVERSE INCLINATION "ZERO POSITION" If the measured values exceed tolerances, the cause may be an incorrect vehicle attitude.Vehicles with an If vehicle leans to one side, measure dimension "a" on left and right-hand sides. Correct differences if z On front axle, compensate by adding weight to top of relevant strut tower. z On rear axle, compensate by adding weight to relevant side of luggage compartment. z Sand filled bags weighting of about 22 lbs. (10 kg) are suitable for this. CAUTION: DO NOT attempt to correct alignment by straightening parts. Damaged parts must be replaced.
2003 Volkswagen New Beetle GLS 1998-2004 WHEEL ALIGNMENT Specifications & Procedures - New Beetle
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