strutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassiscamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclethrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclelostmotionexcessive freeplay in steeringbefore wheelmovementoccursbindingwhen asteering orsuspensionpart does notmove freelysteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifworntoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from aboveshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armsstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementwheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentsteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionairsuspensionuses airsprings insteadof conventionalcoil or leafspringstie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)idler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendednegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)casterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)powersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortcastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointwheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinepower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclescontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armtorsionbara springingmember thatresists twistand sets rideheight andspring ratecamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordowncontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionwheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlineloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadsballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingspringratethe stiffnessof a spring;resistance tocompressionwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollsteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassiscamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclethrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclelostmotionexcessive freeplay in steeringbefore wheelmovementoccursbindingwhen asteering orsuspensionpart does notmove freelysteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifworntoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from aboveshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armsstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementwheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentsteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionairsuspensionuses airsprings insteadof conventionalcoil or leafspringstie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)idler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendednegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)casterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)powersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortcastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointwheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinepower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclescontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armtorsionbara springingmember thatresists twistand sets rideheight andspring ratecamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordowncontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionwheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlineloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadsballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingspringratethe stiffnessof a spring;resistance tocompressionwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollsteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearshockabsorber(damper)a componentthat controlsspringoscillations andmotiondamping

CATS ASE Steering & Suspension Vocab - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. combines a shock absorber with a structural component supporting the chassis
    strut assembly
  2. the tilt of the wheel or tire inward or outward when viewed from the front of the vehicle
    camber
  3. the direction the rear wheels push the vehicle relative to the centerline of the vehicle
    thrust angle
  4. excessive free play in steering before wheel movement occurs
    lost motion
  5. when a steering or suspension part does not move freely
    binding
  6. the amount of road wheel turn compared to steering wheel input
    steering ratio
  7. internal parts of a steering gear that can cause play or looseness if worn
    rack piston / sector shaft
  8. the angle the tires are pointed toward (toe-in) or away from (toe-out) each other when viewed from above
    toe-in/toe-out
  9. a front suspension design using unequal length control arms
    short-arm/long-arm (SLA) suspension
  10. the top mounting point of a strut assembly, often containing a bearing for steering movement
    strut mount/ bearing
  11. the distance from the wheel’s mounting surface to its centerline; affects fitment
    wheel offset
  12. converts steering wheel input into wheel motion
    steering gear (rack and pinion / recirculating ball)
  13. uses air springs instead of conventional coil or leaf springs
    air suspension
  14. connects the steering linkage to the steering knuckle, transferring steering motion
    tie rod end
  15. the vertical distance between the vehicle’s chassis and the ground (or frame and axle)
    ride height
  16. steering linkage components that support or transfer steering motion
    idler arm/ pitman arm
  17. limits suspension travel at the extreme ends of movement
    jounce/ rebound bumper
  18. handling conditions where the vehicle turns less (understeer) or more (oversteer) than intended
    understeer/ oversteer
  19. top of the tire tilts inward (negative) or outward (positive)
    negative camber/ positive camber
  20. the tilt of the steering axis when viewed from the side (forward or rearward tilt)
    caster
  21. hydraulic or electric components that reduce steering effort
    power steering pump / control valve
  22. the distance between the tire’s contact patch and the steering axis intersection point
    caster trail/ steering trail
  23. includes balancing, mounting, inflation, rotation, and inspection
    wheel and tire service
  24. aligning the rear axle thrust line with the vehicle’s centerline
    thrust angle adjustment
  25. drives the power steering pump in many vehicles
    power-steering belt/ pulley
  26. a rubber or elastomeric mount that cushions and locates the control arm
    control arm bushing
  27. a springing member that resists twist and sets ride height and spring rate
    torsion bar
  28. variation in camber angle as the suspension moves up or down
    camber change during rebound/ compression
  29. a suspension link that locates the wheel and allows vertical motion
    control arm (upper/ lower)
  30. uneven weight distribution in a wheel/tire assembly causing vibration
    wheel imbalance
  31. the direction in which the rear axle pushes relative to the vehicle’s centerline
    thrust line
  32. systems that adjust suspension height under varying loads
    load leveling/ height sensing
  33. a pivot point allowing multi-directional movement, connecting control arms and steering knuckles
    ball joint
  34. the feel of the vehicle through suspension movement and damping
    ride quality/ ride comfort
  35. the stiffness of a spring; resistance to compression
    spring rate
  36. adjusting camber, caster, toe, and thrust angle to meet vehicle specifications
    wheel alignment
  37. connects both sides of the suspension to reduce body roll
    anti-roll bar (sway bar)/ sway bar link
  38. the shaft and housing connecting the steering wheel to the steering gear
    steering column
  39. a component that controls spring oscillations and motion damping
    shock absorber (damper)