controlarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionbindingwhen asteering orsuspensionpart does notmove freelyshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armsthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclestrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassisstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingcontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementlostmotionexcessive freeplay in steeringbefore wheelmovementoccurswheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationspringratethe stiffnessof a spring;resistance tocompressionwheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectioncasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)anti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingairsuspensionuses airsprings insteadof conventionalcoil or leafspringsloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadsthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinethrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinetoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from abovesteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearsteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputcamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordowntie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)rideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)powersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornwheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationscastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointpower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclescamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclesteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotiontorsionbara springingmember thatresists twistand sets rideheight andspring ratecontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionbindingwhen asteering orsuspensionpart does notmove freelyshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armsthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclestrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassisstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingcontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementlostmotionexcessive freeplay in steeringbefore wheelmovementoccurswheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationspringratethe stiffnessof a spring;resistance tocompressionwheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectioncasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)anti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingairsuspensionuses airsprings insteadof conventionalcoil or leafspringsloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadsthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinethrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinetoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from abovesteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearsteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputcamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordowntie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)rideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)powersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornwheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationscastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointpower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclescamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclesteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotiontorsionbara 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. a suspension link that locates the wheel and allows vertical motion
    control arm (upper/ lower)
  2. when a steering or suspension part does not move freely
    binding
  3. a front suspension design using unequal length control arms
    short-arm/long-arm (SLA) suspension
  4. the direction the rear wheels push the vehicle relative to the centerline of the vehicle
    thrust angle
  5. combines a shock absorber with a structural component supporting the chassis
    strut assembly
  6. the top mounting point of a strut assembly, often containing a bearing for steering movement
    strut mount/ bearing
  7. a component that controls spring oscillations and motion damping
    shock absorber (damper)
  8. a rubber or elastomeric mount that cushions and locates the control arm
    control arm bushing
  9. limits suspension travel at the extreme ends of movement
    jounce/ rebound bumper
  10. excessive free play in steering before wheel movement occurs
    lost motion
  11. uneven weight distribution in a wheel/tire assembly causing vibration
    wheel imbalance
  12. the stiffness of a spring; resistance to compression
    spring rate
  13. includes balancing, mounting, inflation, rotation, and inspection
    wheel and tire service
  14. the tilt of the steering axis when viewed from the side (forward or rearward tilt)
    caster
  15. connects both sides of the suspension to reduce body roll
    anti-roll bar (sway bar)/ sway bar link
  16. the feel of the vehicle through suspension movement and damping
    ride quality/ ride comfort
  17. uses air springs instead of conventional coil or leaf springs
    air suspension
  18. systems that adjust suspension height under varying loads
    load leveling/ height sensing
  19. the direction in which the rear axle pushes relative to the vehicle’s centerline
    thrust line
  20. aligning the rear axle thrust line with the vehicle’s centerline
    thrust angle adjustment
  21. the angle the tires are pointed toward (toe-in) or away from (toe-out) each other when viewed from above
    toe-in/toe-out
  22. the shaft and housing connecting the steering wheel to the steering gear
    steering column
  23. the amount of road wheel turn compared to steering wheel input
    steering ratio
  24. variation in camber angle as the suspension moves up or down
    camber change during rebound/ compression
  25. connects the steering linkage to the steering knuckle, transferring steering motion
    tie rod end
  26. a pivot point allowing multi-directional movement, connecting control arms and steering knuckles
    ball joint
  27. top of the tire tilts inward (negative) or outward (positive)
    negative camber/ positive camber
  28. the vertical distance between the vehicle’s chassis and the ground (or frame and axle)
    ride height
  29. hydraulic or electric components that reduce steering effort
    power steering pump / control valve
  30. handling conditions where the vehicle turns less (understeer) or more (oversteer) than intended
    understeer/ oversteer
  31. internal parts of a steering gear that can cause play or looseness if worn
    rack piston / sector shaft
  32. the distance from the wheel’s mounting surface to its centerline; affects fitment
    wheel offset
  33. steering linkage components that support or transfer steering motion
    idler arm/ pitman arm
  34. adjusting camber, caster, toe, and thrust angle to meet vehicle specifications
    wheel alignment
  35. the distance between the tire’s contact patch and the steering axis intersection point
    caster trail/ steering trail
  36. drives the power steering pump in many vehicles
    power-steering belt/ pulley
  37. the tilt of the wheel or tire inward or outward when viewed from the front of the vehicle
    camber
  38. converts steering wheel input into wheel motion
    steering gear (rack and pinion / recirculating ball)
  39. a springing member that resists twist and sets ride height and spring rate
    torsion bar