strutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassisrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclewheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)bindingwhen asteering orsuspensionpart does notmove freelycamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehicleballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklespower-steeringbelt/pulleydrives thepowersteering pumpin manyvehicleswheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinejounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)shockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingtie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadsshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointpowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering efforttorsionbara springingmember thatresists twistand sets rideheight andspring ratewheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)lostmotionexcessive freeplay in steeringbefore wheelmovementoccursthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinewheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationsteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotioncamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordowncontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollspringratethe stiffnessof a spring;resistance tocompressioncontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionairsuspensionuses airsprings insteadof conventionalcoil or leafspringstoe-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 inputstrutassemblycombines ashock absorberwith a structuralcomponentsupporting thechassisrackpiston /sectorshaftinternal parts ofa steering gearthat can causeplay orlooseness ifwornthrustanglethe direction therear wheelspush the vehiclerelative to thecenterline of thevehiclewheeland tireserviceincludesbalancing,mounting,inflation,rotation, andinspectionridequality/ridecomfortthe feel of thevehicle throughsuspensionmovement anddampingnegativecamber/positivecambertop of the tiretilts inward(negative) oroutward(positive)bindingwhen asteering orsuspensionpart does notmove freelycamberthe tilt of the wheelor tire inward oroutward whenviewed from thefront of the vehicleballjointa pivot pointallowing multi-directionalmovement,connecting controlarms and steeringknucklespower-steeringbelt/pulleydrives thepowersteering pumpin manyvehicleswheeloffsetthe distancefrom the wheel’smountingsurface to itscenterline;affects fitmentthrustlinethe direction inwhich the rearaxle pushesrelative to thevehicle’scenterlinejounce/reboundbumperlimitssuspensiontravel at theextreme endsof movementstrutmount/bearingthe top mountingpoint of a strutassembly, oftencontaining abearing forsteeringmovementcasterthe tilt of thesteering axiswhen viewedfrom the side(forward orrearward tilt)shockabsorber(damper)a componentthat controlsspringoscillations andmotiondampingtie rodendconnects thesteering linkageto the steeringknuckle,transferringsteering motionundersteer/oversteerhandlingconditions wherethe vehicle turnsless (understeer)or more(oversteer) thanintendedidler arm/pitmanarmsteering linkagecomponentsthat support ortransfersteering motionloadleveling/heightsensingsystems thatadjustsuspensionheight undervarying loadsshort-arm/long-arm (SLA)suspensiona frontsuspensiondesign usingunequal lengthcontrol armscastertrail/steeringtrailthe distancebetween the tire’scontact patch andthe steering axisintersection pointpowersteeringpump /control valvehydraulic orelectriccomponentsthat reducesteering efforttorsionbara springingmember thatresists twistand sets rideheight andspring ratewheelalignmentadjustingcamber, caster,toe, and thrustangle to meetvehiclespecificationsrideheightthe verticaldistance betweenthe vehicle’schassis and theground (or frameand axle)lostmotionexcessive freeplay in steeringbefore wheelmovementoccursthrustangleadjustmentaligning therear axlethrust line withthe vehicle’scenterlinewheelimbalanceuneven weightdistribution in awheel/tireassemblycausingvibrationsteering gear(rack andpinion /recirculatingball)convertssteeringwheel inputinto wheelmotioncamberchangeduringrebound/compressionvariation incamber angleas thesuspensionmoves up ordowncontrolarmbushinga rubber orelastomericmount thatcushions andlocates thecontrol armanti-rollbar (swaybar)/ swaybar linkconnects bothsides of thesuspension toreduce bodyrollspringratethe stiffnessof a spring;resistance tocompressioncontrolarm(upper/lower)a suspensionlink that locatesthe wheel andallows verticalmotionairsuspensionuses airsprings insteadof conventionalcoil or leafspringstoe-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 input

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