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