ASE: Steering and Suspension Questions and Answers with complete solution

How would you adjust a rack yoke bearing? - Answer-Tighten, then look at OEM specifications and back off by the suggested amount of degrees. If a customer states that their steering wheel turns more to the left than to the right, what are some of the most likely causes? - Answer-- Incorrectly timed steering gear - Bent pitman arm - Bent tie rod A customer says that their vehicle is difficult to steer, but only in one direction. What is the most likely cause? - Answer-A faulty or leaking power steering gear. What could a shifted front cradle affect? - Answer-- Front camber - Front caster - Thrust angle What is one thing that spring eye bushings and worn strut bushings could cause? - Answer-A pull on acceleration and deceleration. Why is camber angle important? - Answer-It is a tire wear angle and can cause a pull in the steering. What could happen if a composite leaf spring is scratched during installation? - Answer-If the spring is dented or scratched it will be weakened and break more easily. Vehicles with high caster settings are most likely to use a ___________ ____________ to help control front-wheel shimmy - Answer-Steering damper A popping noise while turning the steering wheel is most likely caused by? - Answer-Worn front tie rodsWhat is the most likely cause of a power steering hose leaking on a vehicle? - Answer-Separated motor mounts What angle has the greatest affect on steering wheel return? - Answer-Caster At over 30 mph there is a vibration in the steering wheel, what is the most likely cause of this? - AnswerThe front wheels are out of balance What is the most likely result if the left front wheel is set at one degree negative caster, and the right front is set at one degree positive caster? - Answer-The car will pull to the left, or the most negative caster setting. True or False: Camber and SAI make up the included angle? - Answer-True True or False: The purpose of the turning angle is to reduce tire scuffing during cornering - Answer-True True or False: Shims are sometimes used to adjust rear toe and camber - Answer-True True or False: Strut rods are sometimes used to adjust rear toe and camber - Answer-True If the back of the rear tires are closer together than the front, what is the cause? - Answer-Toe-out The jounce bumpers on the rear of a vehicle are out, what are some of the more likely causes? - Answer- - Worn rear springs - Excessive cargo in the trunk - Worn rear shocks A customer is complaining about noise from the rear of the vehicle, what are some of the more likely causes? - Answer-- Worn rear wheel bearings - Missing spring separators - Worn spring eye bushingsTrue or False: Torsion bars can be used on SLA suspensions - Answer-True What is one of the most likely causes for toe-out-on-turns to be out of specification? - Answer-Bent steering arm How do you correctly adjust tapered roller bearings? - Answer-Torque the bearing while rotating the wheel, and then back off by the OEM indicated amount If a vehicle with an air ride suspension won't lower when necessary, what is the most likely cause? - Answer-The sensor isn't sending the signal that the rear is too hight What alignment angle would cause dog-tracking? - Answer-Rear toe