idler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motioncamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordownstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementairsuspensionuses airsprings insteadof conventionalcoil or leafspringsanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollsteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinecamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclepowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering efforttorsionbara springingmember thatresists twistand sets rideheight andspring ratecastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointcontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)wheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlineshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armstie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionwheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadscontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingspringratethe stiffnessof a spring;resistance tocompressionsteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassissteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)bindingwhen asteering orsuspensionpart does notmove freelytoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from abovewheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)thrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclewheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentlostmotionexcessive freeplay in steeringbefore wheelmovementoccurspower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclesridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motioncamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordownstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementairsuspensionuses airsprings insteadof conventionalcoil or leafspringsanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollsteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinecamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclepowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering efforttorsionbara springingmember thatresists twistand sets rideheight andspring ratecastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointcontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)wheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlineshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armstie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionwheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadscontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingspringratethe stiffnessof a spring;resistance tocompressionsteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassissteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)bindingwhen asteering orsuspensionpart does notmove freelytoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from abovewheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)thrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclewheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentlostmotionexcessive freeplay in steeringbefore wheelmovementoccurspower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclesridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifworn

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