strutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassisthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlineanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampinglostmotionexcessive freeplay in steeringbefore wheelmovementoccurswheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationcamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordownshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclecontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)wheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingbindingwhen asteering orsuspensionpart does notmove freelysteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearpower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclesthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclespringratethe stiffnessof a spring;resistance tocompressioncasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)tie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornpowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortairsuspensionuses airsprings insteadof conventionalcoil or leafspringsidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motioncontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armtoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from aboveballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)castertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinewheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmenttorsionbara springingmember thatresists twistand sets rideheight andspring rateloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadssteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationssteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassisthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlineanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampinglostmotionexcessive freeplay in steeringbefore wheelmovementoccurswheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationcamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordownshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehiclecontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)wheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementshockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingbindingwhen asteering orsuspensionpart does notmove freelysteeringcolumnthe shaft andhousingconnecting thesteering wheelto the steeringgearpower-steeringbelt/pulleydrives thepowersteering pumpin manyvehiclesthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclespringratethe stiffnessof a spring;resistance tocompressioncasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)tie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornpowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering effortairsuspensionuses airsprings insteadof conventionalcoil or leafspringsidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motioncontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armtoe-in/toe-outthe angle the tiresare pointed toward(toe-in) or awayfrom (toe-out)each other whenviewed from aboveballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklesundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)castertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinewheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmenttorsionbara springingmember thatresists twistand sets rideheight andspring rateloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadssteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotionwheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationssteeringratiothe amount ofroad wheelturn comparedto steeringwheel inputjounce/reboundbumperlimitssuspensiontravel at theextreme endsof movement

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