Automotive Service Modern Auto Tech Study Guide Chapter 67 & 69 Pages 1280 ­ 1346 Suspension & Steering 32 Points Automotive Service 1. The ____________________ system allows a vehicle’s tires & wheels to move up and down as they roll. Steering Suspension Brake Automotive Service 2. Suspension can be grouped into 2 broad categories: _________________ & ________________. Independent & Non­independent Coil Springs & Air Springs Active & Passive Automotive Service 3. The perfect suspension system balances understeer and oversteer, resulting in ______________ steering. Tight Neutral Loose Automotive Service 4. Compressing springs is known as ________. As springs extend, they are said to ________. Jounce, Rebound Bounce, Resound Dribble, Rebound Automotive Service 5. Springs can be one of 4 types: A. _________, B. __________, C. _________________ ______, & D. _______. Coil Leaf Air Torsion Bar Automotive Service 6. ______________ weight is all of the weight supported by the springs. __________________ weight is all of the weight not supported by the springs. The more sprung weight, the better the vehicle will ride. Spring, Unspring Sprang, Unsprang Sprung, Unsprung Automotive Service 7. Control arms are connected to the steering knuckles with pivoting joints called ___________ joints. Automotive Service Automotive Service 8. __________ ______________ limit spring oscillations (jounce & rebound), but don’t effect ride height Slack Absorbers Shock Absorbers Shock Restorers Automotive Service 9. ______ shocks are filled with low pressure nitrogen gas to prevent fluid aeration (bubble formation). Gas Water Air Automotive Service 10. Options on shock absorbers include the ________­___________________ feature & adjustable stiffness. Self­Leveling Self­Igniting Self­Energizing Automotive Service Automotive Service Automotive Service 11. A ______ assembly consists of a shock, coil spring & an upper damper/pivot bearing. (No upper ball joint) Strut Strat Shock Automotive Service 12. A ________ bar or stabilizer bar prevents the vehicle body from leaning excessively in sharp turns. Sway Bar Links Sway Bar Stray Sway Bar Bushings Spray Sway Automotive Service 13. A _______ rod controls lateral or side­to­side axle movement during cornering. Track Strut Tie Automotive Service 14. Suspension systems can be of the SHORT­LONG arm, TORSION bar, or the MACPHERSON STRUT design. Slightly modified versions of each type can be found. Automotive Service 15. ____________ suspension systems can be either, independent, Rear semi­independent, or non­independent. Automotive Service 15. ____________ suspension systems can be either, independent, Rear semi­independent, or non­independent. Automotive Service 15. ____________ suspension systems can be either, independent, Rear semi­independent, or non­independent. Automotive Service 15. ____________ suspension systems can be either, independent, Rear semi­independent, or non­independent. Automotive Service 16. Electronic RIDE control systems use computerization to monitor and maintain correct ride height. Automotive Service 17. ACTIVE suspensions use PCM­controlled hydraulics for ride control instead of springs & shocks. ~~~ Automotive Service 18. The _______________ system must provide control of the steering wheels, maintaining the correct amount of effort to transmit “road feel” to the driver’s hands. Steering Suspension Brake Automotive Service Automotive Service 19. In rack & pinion steering, the _______ is a flat steel bar with gear teeth. The _____________ is a small gear that meshes with the rack, it is rotated by the steering wheel and steering shaft. Automotive Service Automotive Service Automotive Service Automotive Service Automotive Service 20. ___________ steering columns help prevent driver chest & face injury during collisions Collapsible Inflatable Regenerative Automotive Service 21. RECIRCULATING ­ BALL & worm gear steering boxes are heavier & more complicated than rack & pinion. Automotive Service 22. On parallelogram steering, the __________ arm and the __________arm support the ends of the center link. Tie rods & tie rod ends connect the steering system center parts to the knuckles. Automotive Service Automotive Service Automotive Service Automotive Service Automotive Service Automotive Service Automotive Service Automotive Service Automotive Service Parallelogram Steering Short­Long Arm Suspension Automotive Service McPherson Strut Suspension Rack & Pinion Steering .