When one of the front wheels strikes a road irregularity, the steering suddenly veers to the right or left on a vehicle with a parallelogram steering linkage. The most likely cause of this problem is:
Technician A says if the front wheels have a toe-out condition, the distance between the front edges of the tires is greater than the distance between the rear edges of the tires. Technician B says many front-wheel drive cars have a slight toe-out setting because driving forces tend to move the front wheels to a toe-in position. Who is correct?
Technician A says excessive toe-out (negative) on a front wheel causes rapid wear on the inside edge of the tire tread. Technician B says excessive positive camber on a front wheel causes premature wear on the outside edge of the tire tread. Who is correct?
Technician A says a tire pressure check is not required before a wheel alignment. Technician B says a front wheel bearing play should be checked before a wheel alignment. Who is correct?
Technician A says excessive positive caster may cause front wheel shimmy. Technician B says excessive positive caster increases steering effort and causes harsh riding. Who is correct?
Technician Asays front wheel toe should be measured with the front wheels in the straight-ahead position. Technician B says excessive front wheel toe-in causes steering pull to the right. Who is correct?
Technician A says incorrect wheel alignment angles will reduce tire tread life. Technician B says wheel alignment is necessary after ball joint replacement. Who is correct?
Technician A says a jack-and-hold feature on some computer wheel aligners allows the technician to lift one side of the suspension with a jack while maintaining accurate alignment readings on the screen. Technician B says when using a computer wheel aligner, the technician may print out any screen at any time. Who is correct?
Technician Asays on many rear-wheel drive cars, the front wheels are set to a slight toe-in position. Technician B says the driving forces on a rear-wheel drive car tend to move the front wheels to a toe-in position. Who is correct?
During a road test on a front-wheel drive vehicle, it is determined that the vehicle pulls right after a right turn, and pulls left after a left turn. The most likely cause of this condition is:
Technician A says if a front wheel has positive camber, the camber line is at the true vertical centerline of the tire and wheel. Technician B says if the left-front wheel has excessive positive camber and the right-front wheel camber is correct, the steering pulls to the left. Who is correct?
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