casterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)jounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassiswheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclecontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordownidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)wheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementpowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortsteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearsteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinebindingwhen asteering orsuspensionpart does notmove freelyundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedtorsionbara springingmember thatresists twistand sets rideheight andspring rateshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingwheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)camberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclesteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadswheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingcontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesairsuspensionuses airsprings insteadof conventionalcoil or leafspringsspringratethe stiffnessof a spring;resistance tocompressiontie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinecastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointtoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from abovelostmotionexcessive freeplay in steeringbefore wheelmovementoccurspower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclesanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)jounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassiswheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclecontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordownidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)wheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementpowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortsteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearsteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinebindingwhen asteering orsuspensionpart does notmove freelyundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedtorsionbara springingmember thatresists twistand sets rideheight andspring rateshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingwheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)camberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclesteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadswheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingcontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesairsuspensionuses airsprings insteadof conventionalcoil or leafspringsspringratethe stiffnessof a spring;resistance tocompressiontie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinecastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointtoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from abovelostmotionexcessive freeplay in steeringbefore wheelmovementoccurspower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclesanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyroll

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