bindingwhen asteering orsuspensionpart does notmove freelycamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordowncontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingwheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)thrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinewheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionsteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputsteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionwheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclepower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclescastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinestrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationssteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklestie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionpowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortcontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)airsuspensionuses airsprings insteadof conventionalcoil or leafspringsidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionlostmotionexcessive freeplay in steeringbefore wheelmovementoccursspringratethe stiffnessof a spring;resistance tocompressionstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassisundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadstoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from aboveanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclerideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)rackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementtorsionbara springingmember thatresists twistand sets rideheight andspring ratebindingwhen asteering orsuspensionpart does notmove freelycamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordowncontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingwheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)thrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinewheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionsteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputsteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionwheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclepower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclescastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinestrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationssteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklestie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionpowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortcontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)airsuspensionuses airsprings insteadof conventionalcoil or leafspringsidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionlostmotionexcessive freeplay in steeringbefore wheelmovementoccursspringratethe stiffnessof a spring;resistance tocompressionstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassisundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadstoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from aboveanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclerideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)rackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementtorsionbara springingmember thatresists twistand sets rideheight andspring rate

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