shockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingcamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordownrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornwheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclethrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinelostmotionexcessive freeplay in steeringbefore wheelmovementoccursspringratethe stiffnessof a spring;resistance tocompressionnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)steering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinecontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassiswheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)jounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionbindingwhen asteering orsuspensionpart does notmove freelycastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointtie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedairsuspensionuses airsprings insteadof conventionalcoil or leafspringssteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputpower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclesshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehicletoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from abovewheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectiontorsionbara springingmember thatresists twistand sets rideheight andspring ratepowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadscontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionsteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)shockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingcamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordownrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornwheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclethrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinelostmotionexcessive freeplay in steeringbefore wheelmovementoccursspringratethe stiffnessof a spring;resistance tocompressionnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)steering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinecontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassiswheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)jounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionbindingwhen asteering orsuspensionpart does notmove freelycastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointtie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedairsuspensionuses airsprings insteadof conventionalcoil or leafspringssteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputpower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclesshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehicletoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from abovewheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectiontorsionbara springingmember thatresists twistand sets rideheight andspring ratepowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadscontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionsteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)

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