Abstract: The present invention relates to the field of device calibration technologies and discloses a sliding apparatus and an automobile calibration device. The sliding apparatus includes: a guide rail, which includes a first surface and a second surface that are perpendicular to each other, where the first surface is provided with a first sliding groove and the second surface is provided with a second sliding groove, the first sliding groove and the second sliding groove being disposed in parallel; and a plate body, a first sliding member and a second sliding member, where the first sliding member and the second sliding member are installed on the plate body. The first sliding member is movably installed in the first sliding groove and the second sliding member is movably installed in the second sliding groove, so that the plate body is slidable along the guide rail.

Abstract: There is provided an adjustment jig. A fixing unit has a plate shape and is detachably fixed to an attachment unit of a sensor provided on a vehicle side. An extension unit is provided to extend from the fixing unit. A suspension unit is suspended from the extension unit.

Abstract: An electronic latch system for a motor vehicle includes an electronic latch (e-latch) including an e-latch controller within a door of the vehicle. A plurality of radar sensors are located within the door for performing non-contact detection of objects around the vehicle. The radar sensors include an outside-face sensor adjacent an outside face of the door to sense an object within a first sensing zone extending from the outside face. The radar sensors also include an inner sensor adjacent an inside surface of the door to sense an object within a second sensing zone extending from the inside surface. The radar sensors also include a shut-face sensor adjacent a shut face of the door to sense an object within a third sensing zone extending from the shut face. The e-latch includes a light source for projecting a warning image and an audio source for generating an audible warning.

Abstract: A method for attaching a gear driving part of this disclosure includes a first step of inserting a positioning bolt (23) into a positioning hole (21) of a first gear from a front side, and then screwing the positioning bolt into a screw hole (24) of a fixation-side member to regulate a phase of the first gear with respect to the fixation-side member; and a second step of inserting a portion of the bolt protruding to a front side of the first gear into a hole (22) of the gear case, and meshing the first gear with the second gear while positioning the fixation-side member in a predetermined phase position of the gear case.

Abstract: A brake pad lining thickness measurement gauge tool includes a grip handle end with a projecting probe having two substantially dimensionally identical measurement surfaces at a measurement or terminal opposite end of the gauge tool, one surface extending axially from the grip handle end and the other interesting surface extending transversely to the axial surface. A set of the gauge tools includes distinctively dimensioned terminal measurement ends.

Abstract: A calibration frame for calibrating a reference system for vehicle measurement has setting elements, which enable a precise spatial orientation of the calibration frame, and multiple defined points of support, which are designed to accommodate a reference system carrier. In one specific embodiment, the points of support are designed in such a way that the reference system carrier is situatable on the points of support in at least two different orientations. In a second specific embodiment, a leveling element is provided which indicates the spatial orientation of the calibration frame in relation to the earth's gravitation field.

Abstract: Disclosed are an alignment system and an alignment method for aligning a radar apparatus such that the alignment is not significantly influenced by tolerances in an assembly process of a bumper rail, a front end module, and a vehicle body.

Abstract: A safety lock device for locking a charging connector in a charging receptacle of an electric vehicle is provided. The safety lock device includes a locking pin movable between a first position and a second position, an actuator configured to drive the locking pin between the first position and second position, a sensor configured to measure information used in determining a distance the actuator has driven the locking pin and a control unit electrically connected to the sensor and configured to receive the measured information from the sensor and determine the status of the safety lock based on the measured information received from the sensor. The charging connector and charging receptacle may be part of a Fast Charge coupler.

Abstract: A system for determining a vehicle door axis adjustment amount may include a plurality of first setting jigs fixed to a sealing flange of a vehicle body and configured to adjust a position of a door with respect to the vehicle body in a vehicle width direction, a second setting jig configured to support the door and adjust a position of the door with respect to the vehicle body in an up and down direction, and an eccentricity measurement bolt configured to temporarily assemble a door hinge bracket of a door hinge mounted on the vehicle body with the door and measure eccentricity with respect to a hinge bracket bolt hole formed in the door using a gauge.

Abstract: A method of establishing a dimensional reference datum for a vehicle front end assembly is provided. The method includes locating a positioning and reinforcement structure proximate a front end of a vehicle chassis. Also included is operably coupling the positioning and reinforcement structure to a first vehicle component, wherein the positioning and reinforcement structure is moveable relative to the first vehicle component. Further included is fixedly centering the positioning and reinforcement structure relative to a second vehicle component. Yet further included is positioning and operably coupling a plurality of front end components based on the dimensional reference datum provided by the fixed centered position of the positioning and reinforcement structure.

Abstract: A door lock striker alignment check fixture includes a check fixture body having a tapered region engageable with a striker receiving slot of a door latch mechanism. The check fixture body defines an elongated slot for receiving a door striker. The door lock striker alignment check fixture further includes a flange fixedly attached to the check fixture body, and which is engageable with an exterior surface of a vehicle door coupled to the door latch mechanism. The flange includes a contact surface that contacts the exterior surface of the vehicle door and which faces an insertion direction of the tapered region with respect to the striker receiving slot.

Abstract: A tool measures the vertical distance and lateral distance between a brake pedal pad and an accelerator pedal pad. A base plate lies atop the brake pedal pad. A first measuring plate is mounted on the base plate for movement laterally toward and away from the accelerator pedal pad. A second measuring plate is mounted on the first measuring plate for movement laterally with the first measuring plate to engage a lateral edge of the accelerator pedal pad and for movement vertically to engage with a top surface of the accelerator pedal pad. First measuring indicia provided on the base plate and the first measuring plate reads the lateral distance between the brake pedal pad and the accelerator pedal pad. And a second measuring indicia provided on the first measuring plate and the second measuring plate reads the vertical height between the brake pedal pad and the accelerator pedal pad.

Abstract: A ride height gauge includes a chassis engaging member biased relative to a base member via springs. Lowering an RC car chassis onto the chassis engaging member causes the chassis engaging member to lower until the car's wheels touch a support surface on either side of the base member. The chassis engaging member's lowered position is displayed on measurement columns that measure the height of the chassis engaging member from the support surface, which can be used to determine the ride height of the vehicle. The measurement columns at opposite ends of the vehicle allow the user to simultaneously measure the ride height at either end of the vehicle without repositioning of the vehicle.

Abstract: A method for measuring a deviation from a joint target position of a member to which a measuring object is joined, in particular, measuring the deviation of an electrode position of a spark plug. The deviation of a ground electrode from an optimal igniting position O1 is measured while a metallic shell is engaged with a female thread jig. A distance “?” between an axis A of the ground electrode and a reference straight line LS is calculated. The distance “?” is a vertical length from the axis A to the reference straight line LS. An angle “?” between a first straight line L1 and the reference straight line LS is calculated using the distance “?” and a predetermined distance “?” between the axis A of the ground electrode and an axis O of the metallic shell.

Abstract: A guide cap axially aligns a yoke to an input shaft of a steering system. A cap body has an opening receiving an end of the input shaft. A cap fin guides seating of the yoke to the input shaft by mating to a yoke slit. A finger projection engages a radial recess in the input shaft with a retention force opposing axial removal of the guide cap once installed. A fin notch provides limits to relative axial displacement between the guide cap and yoke and guides axial positioning of the yoke as the yoke bolt is installed, deterring inadvertent threading into the input shaft. The fin anchor mates to a notch of the input shaft providing stability to the fin relative to the input shaft, and fixing rotational position of the guide cap on the input shaft.

Abstract: Described are various embodiments of an apparatus for evaluating the inner dimension of an opening within a body surface, for example, in the context of an assembly wherein one or more components are to be installed within a receiving body in which this opening is defined.

Abstract: A door lock striker alignment check fixture includes a check fixture body having a tapered region engageable with a striker receiving slot of a door latch mechanism. The check fixture body defines an elongated slot for receiving a door striker. The door lock striker alignment check fixture further includes a flange fixedly attached to the check fixture body, and which is engageable with an exterior surface of a vehicle door coupled to the door latch mechanism. The flange includes a contact surface that contacts the exterior surface of the vehicle door and which faces an insertion direction of the tapered region with respect to the striker receiving slot.

Abstract: A gauge is provided that may be used to facilitate proper installation of a flexible bellow in a vehicle between an engine and an exhaust treatment system of the vehicle. A method of using the gauge to facilitate proper installation of the flexible bellow in the vehicle is also provided.

Abstract: A cylinder sleeve surface measurement assembly for measuring a surface roughness of a cylinder sleeve, especially a cylinder sleeve formed in an engine block. The assembly includes a fixture that holds a surface profiling device. The surface profiling device is provided with a stylus that perpendicularly projects from a measuring arm, and the fixture holds the surface profiling device such that the stylus remains in perpendicular contact with the surface of the cylinder sleeve. To ensure perpendicular contact, the fixture is provided with an arcuate surface that defines an arc matching that of a portion of the cylinder sleeve. Accordingly, the arcuate surface allows the measuring arm to remain parallel to a surface of the cylinder sleeve, thereby ensuring that the stylus remains perpendicular thereto.

Abstract: A measurement device for a vehicle having a first pedal and a second pedal is provided and may include a fixture releasably attached to one of the first pedal and the second pedal. A first bar may be supported by the fixture and may extend toward the other of the first pedal and the second pedal and a housing may be slidably attached to the first bar. A second bar may be slidably attached to the housing may include a first surface that engages a first portion of the other of the first pedal and the second pedal and a second surface that engages a second portion of the other of the first pedal and the second pedal. The housing may identify the relative position of the first pedal and the second pedal once in contact with the first portion and the second portion.

Abstract: A measurement device for a vehicle having a first pedal and a second pedal is provided and may include a fixture releasably attached to one of the first pedal and the second pedal. A first bar may be supported by the fixture and may extend toward the other of the first pedal and the second pedal and a housing may be slidably attached to the first bar. A second bar may be slidably attached to the housing may include a first surface that engages a first portion of the other of the first pedal and the second pedal and a second surface that engages a second portion of the other of the first pedal and the second pedal. The housing may identify the relative position of the first pedal and the second pedal once in contact with the first portion and the second portion.

Abstract: A field productivity gauge includes an indicator for a present value and an indicator for a comparison value of an operating characteristic, such as field productivity.

Abstract: A line gauge device for constructing lines and contours on auto body components featuring a first pivot arm and a second pivot arm pivotally connected via a pivot component. The pivot arms can pivot toward and away from each other. The pivot component is biased to pivot the pivot arms away from each other. A threaded adjustment rod with a thumb wheel disposed in both the first and second pivot arms functions to secure the pivot arms in a particular position. A utensil holding component is disposed on the second end of the first pivot arm. A surface guide base with surface guide rollers is disposed on the second end of the second pivot arm.

Abstract: A method and system for verifying the spatial and coplanar alignment of a number of power transmission pulleys, particularly as used with an automotive internal combustion engine. A planar light source is provided at a reference location associated with the power transmission pulleys, and an illumination plane emitted by the planar light source is allowed to impinge upon the pulleys. Then, correct alignment of the pulleys is determined by comparing the locus of the intersection of the illumination plane with at least one of the pulleys with a locus of intersection of the illumination plane with another of the pulleys.

Abstract: The present invention provides a method and device for assessing and aligning a vehicle component and including a unitary module connecting a shaped surface associated with the nominal gage to the vehicle structure, the unitary module presenting an inner surface spaced from an outer surface having a first, second and third surface, the third surface mounted to one end of a support secured to the vehicle structure. An adjustment structure presents a first engagement surface separated from a second engagement surface associated with the outer surface, the first engagement surface and the second engagement surface being adapted to receive at least one laminar structure therebetween. The adjustment structure is generally positioned at the junction of the second or third surface sections and is adapted for translation along an axis extending outwardly from the unitary module towards the third surface, whereby said vehicle component is preferably aligned.

Abstract: An alignment device measures an angular offset between a vehicle body axis and a vehicle drive axis. The device includes an arm having a mounting portion for mounting to a vehicle such that the arm is aligned with the vehicle body axis. A wheel support member is coupled to the arm for rotation relative to the arm. A wheel is rotatably supported by the wheel support member and configured to roll on a ground surface, such that the wheel and the wheel support member are configured to self-align with the vehicle drive axis when the arm is mounted to the vehicle and the vehicle is driven on the ground surface. An indicator displays the angular offset between the wheel support member and the arm, which is indicative of the angular offset between the vehicle body axis and the vehicle drive axis. A method of carrying out a measurement with the device is also disclosed.

Abstract: A measuring device has a first elongate body element, a second elongate body element, and an elongate ruler element. The first and second elongate body elements slidably engage each other, and the elongate ruler element is slidably engaged adjacent the first elongate body element. A plurality of ruler markings on the elongate ruler element enable measuring the sag of a vehicle. A partial-fastening element fastens the elongate ruler element to the first elongate body element. A body fastening clip is attached to a top end of the first elongate body element for removably engaging a body of the vehicle. A hub engagement post is attached to the second elongate body element for removably engaging a hub of the vehicle. A method of using the measuring device to measure the sag of the vehicle is also disclosed.

Abstract: A gauge for measuring the wear of selected cooperating surfaces of an adapter is disclosed. The gauge includes a plurality of rollers adapted to contact the selected cooperating surfaces of the adapter. A trigger mechanism is provided to cooperate with the rollers to indicate if the adapter is out of tolerance in respect of given dimensional targets.

Abstract: Embodiments of the invention are directed to a device to assist in fitting a custom wheel to an automobile and methods of use thereof. In one embodiment, the device includes a plurality of measuring apparatuses for obtaining relevant measurements to assist in fitting a custom wheel to an automobile. In one method, a series of measurements pertaining to certain distances between a hub and a corresponding caliper of a vehicle wheel can be obtained using embodiments of the device of the invention. The measurements may be used to assist in the fitting of a custom wheel to an automobile.

Abstract: Embodiments of a depth gauge comprise a housing, a support structure extending from the bottom of the housing and being configured to balance the depth gauge on uneven or even surfaces, a retractable surface engaging member extending through the bottom of the housing and comprising a lower point configured to detect dents on a surface, and a gauge display coupled to the surface engaging member and operable to output depth measurements of dents detected by the surface engaging member.

Abstract: A method and device for determining the grade/slope of the road upon which a vehicle is traveling and displaying said grade/slope through a visual display that is adjustable by the driver/operator of said vehicle to his/her convenient sight of vision; wherein such device can also be used by many industries, machineries, and engineering fields of many types; wherein such device does so by its internal parts which include shafts, gears, bushes, weights, a spring, brake shoes, cylinders, and other, all within a shell, with (or in some cases without) oil; wherein positive or negative accelerations will not affect the performance of said device. Said device is fixed in the said vehicle by either said operator or the manufacturer of said vehicle and said device will measure said grade/slope independent of any driving members or parts of said vehicle or other devices, power, sensors of any kind, and/or anything else outside of its shell.

Abstract: An alignment device measures an angular offset between a vehicle body axis and a vehicle drive axis. The device includes an arm having a mounting portion for mounting to a vehicle such that the arm is aligned with the vehicle body axis. A wheel support member is coupled to the arm for rotation relative to the arm. A wheel is rotatably supported by the wheel support member and configured to roll on a ground surface, such that the wheel and the wheel support member are configured to self-align with the vehicle drive axis when the arm is mounted to the vehicle and the vehicle is driven on the ground surface. An indicator displays the angular offset between the wheel support member and the arm, which is indicative of the angular offset between the vehicle body axis and the vehicle drive axis. A method of carrying out a measurement with the device is also disclosed.

Abstract: A fixture for positioning an ATD relative to a vehicle includes a housing attached to the vehicle having a first end and a second end. A locator is mounted on the housing and is movable along the housing between the first end and the second end to identify a position of the ATD relative to the housing. A target is disposed on the ATD and is spaced apart from the housing for alignment with the locator. A first measurement device outputs an angle of the housing that identifies an angular position of the target relative to a plane extending through the first end of the housing.

Abstract: A measuring device is provided for a motor vehicle, with a bracket (1), with a joint (8), which is connected to the bracket (1) and which has a joint housing (20) and a pivot pin (19) mounted movably in same. A component (2) is provided which is connected to the joint (8) and which is mounted pivotably on the bracket (1) via the joint (8). An angle measuring device (17, 18) is provided, by which the angle (?) of the component (2) in relation to the bracket (1) can be determined. An analyzer (23) is connected to the angle measuring device (17, 18) and has a double differentiator (24), which is connected to the angle measuring device (17, 18) and which is followed downstream by a summer or integrator (26) via the intermediary of a calculating unit (25).

Abstract: The present invention relates to a method of measuring a clearance of a hub bearing for vehicles. A hub is fixed to a lower jig when a row of hub-side balls is disposed and an outer ring is disposed on an outer periphery of the hub and a row of inner ring-side balls and an inner ring are disposed. A press-fit jig is contacted to the inner ring and a load of less than 5 kgf is applied to an outer surface of the outer ring to prevent its vibration and movement. A gauge is installed to a portion of the outer ring. The inner ring is gradually press-fitted by the jig. An amount of press-fit of the inner ring is measured from when the gauge begins to move when press-fitting of the inner ring is completed. The amount of clearance is simply measured.

Abstract: An apparatus and method for aligning the wheels of an all-terrain vehicle (ATV). The apparatus includes a wheel alignment fixture and a wheel position indicator adapted for releasable attachment to an all-terrain vehicle. The wheel alignment fixture and the wheel position indicator cooperate to indicate the alignment of a wheel of the ATV. The wheel position indicator may project a light beam at an indicating element portion of the wheel alignment fixture for this purpose. Preferably, a steering centering fixture is also provided to ensure that the steering of the all-terrain vehicle remains centered during the wheel alignment process.

Abstract: A vehicle instrument cluster gauge may have a dial plate with an inner dial, an outer dial, indicia and graduations. The graduations may originate on a dial plate rear surface near or at the center of the gauge and traverse radially outward toward the outer or peripheral edge of the dial plate and wrap from the rear surface, around the peripheral edge and onto the front surface of the dial plate thereby creating a three-dimensional gauge structure with the dial plate. When on the dial surface, the front graduation part protrudes above and away from the outer dial face of the dial plate. The graduation may also create an overhang or cantilever by protruding over a front surface of the outer dial, and have edges formed by 90 degree surfaces and have a projected centerline directed radially through a geometric center of the dial plate, where a pointer may mount.

Abstract: A method and a device for measuring the dimensions of a constant velocity joint. In the method, for example, the cylindrical part of an outer member with a specified offset value is supported on the support part of a dimension measuring device for the outer member. On the other hand, a holding bar is inserted into a recessed part formed in the shaft part of the outer member. In this case, balls installed at the tip of the support part are inserted into the ball grooves of the cylindrical part. In this state, a rotating member is rotated to bring a probe into contact with the inside wall of the cylindrical part. The measurement core of a micro gauge is displaced according to the displacement of the probe, and the amount of the displacement thereof is displayed as the amount of the variation of the needle of the micro gauge.

Abstract: Extending sections are positioned along X and Y directions by engagement sections, and positioned along Y direction of a vehicle by positioning sections using mounts of a rear bumper. This makes it possible to accurately indicate a forming position of a vehicular-part mounting hole, which is needed to mount a rear under spoiler, with respect to the rear bumper based on a scribed mark if the extending sections are positioned by using the engagement sections and the positioning sections. Therefore, a worker can form a vehicular-part mounting hole in an appropriate position by merely making a hole in the position of the scribed mark, without requiring a work of removing the rear bumper.

Abstract: A system for measuring the height of a wind deflector mounted to the roof of a vehicle. A longitudinal base has a first end, an opposing second end, a generally planar top surface and a generally planar bottom surface. An adjustable stop is proximate the first end of the base and extends away from the bottom surface. A level indicator is affixed to the top surface of the base. An arm is spaced apart from the top surface of the base, and a displacement indicator is affixed to the arm. The displacement indicator displays information relating to the height of the wind deflector above the roof when the second end of the base contacts the wind deflector proximate the roof, the level indicator indicates that the base is on a level plane, and the displacement indicator is in contact with a top edge of the wind deflector.

Abstract: The present invention relates to a system for viewing coordinates representative of points on a vehicle, which includes a portable gauge assembly (52) having a length of bar (62) graduations (64), an adjustable pointer mount (76) and adjustable pointer (78) for simultaneously setting coordinates representative of a height and width or height and length dimension of a point on the vehicle and an adjustable positioning means (66) for setting a coordinate representative of a baseline of light emitted relative to the vehicle. Positioning means (66) is further used for adjusting bar (62) level and perpendicular to the baseline when gauge (52) is spatially place relative to the point on the vehicle and the baseline, whereby the coordinates may then be viewed at pointer mount (76) or transferred a spatial location within the path of the baseline and viewed at positioning means (66).

Abstract: An alignment tool for vehicular adaptive cruise control detection devices attaches with precision and repeatability to an adaptive cruise control sensor subassembly. Integral to this alignment tool is a low energy visible light laser that can be adjusted to point along the signal axis of the ACC sensor subassembly with stable and calibratable precision. The point at which a visible laser light beam strikes a reference surface can reveal the alignment of the ACC sensor subassembly with respect to the vehicle.

Abstract: A manual steering column stamping fixture includes a body member and a linear bearing assembly. The linear bearing assembly is secured to the body member, and includes a marking punch that is driven into engagement with a steering column so as to place an alignment mark on the steering column. Once a center or neutral position of the steering column is located using a checking fixture, the stamping fixture is mounted over the checking fixture using cooperating slots provided by the body member and arms provided by the checking fixture, and such that the marking punch is disposed within the checking fixture and adjacent the steering column. Thereafter, the marking punch is manually moved away from the steering column and against spring bias such that, upon subsequent release of the bearing assembly, the marking punch is driven into the steering column to mark the steering column.

Abstract: A measuring tool is designed to measure the relationship between an inner hub land and an outer land for a valve body. A locating face engages the inner hub land such that the measurements are taken with respect to the inner hub land. A probe is designed to engage the outer land. By rotating the valve body, the entire circumference of the outer land can be measured in relation to the inner hub land.

Abstract: A method and device for securing a sensor, a stereo camera in motor vehicles in particular, in which accurate alignment of the sensor holding element is achieved during assembly using an adjusting gauge having the dimensions of the sensor and optionally pins which are inserted into matching receiving parts of the sensor holding element.

Abstract: A tool for inspecting a trailer kingpin and adjusting a fifth wheel hitch includes a plate having at least two mutually substantially perpendicular sides, one side having upper and lower generally rectangular tabs extending therefrom and separated by a space therebetween, the space being dimensioned to snugly receive a kingpin lower flange, the upper tab being dimensioned to be snugly received along a kingpin shank. Opposing this tabbed side is a side having at least one shaped recess for receiving a means for adjusting play in a fifth wheel hitch and transferring the application of torque thereto. The plate also includes a shaped aperture for receiving a kingpin, the shaped aperture having a substantially rectangular wide portion and a substantially rectangular narrow portion.

Abstract: A jig for positioning vehicular exterior parts, which can improve workability as well as accuracy of a mounting location. A jig 1 used when aching exterior parts to a vehicle 20 includes a first engagement portion 4 prescribing a location in a height direction of the vehicle 20, and a second engagement portion 5 prescribing a location in a direction orthogonal to the height direction of the vehicle 20. At least one of the first engagement portion 4 and the second engagement portions 5 is fixed between a vehicle body 22 and a door 21. The jig 1 is formed from a tabular member. As a result, positioning in mutually orthogonal two directions can be carried out simultaneously, simplifying attachment works.

Abstract: An alignment device for measuring wheel base on a vehicle having a first axle and determining squareness thereof, the device includes at least one clamp removably clampable to the first axle and an alignment bar operably associated with said clamp in manner such that said alignment bar extends substantially in parallel alignment with a central axis of the first axle.

Abstract: A multiple gauge assembly for establishing vehicle wheel rim and tire sizes to prevent interference with vehicle structure facing the wheel, as during directional turning of the wheel on a vehicle wheel mount, about a pivot axis angled relative to the wheel axis, comprising a first adjustable gauge to establish a rim edge radial dimension, from the wheel axis, a second adjustable gauge to establish a rim offset (back spacing) dimension in a direction generally parallel to the wheel axis, and a third adjustable gauge to establish a tire peripheral dimension generally parallel to the wheel axis, whereby clearance between the wheel and vehicle structure can be predictively ascertained, as during wheel turning, prior to installation of the wheel on the mount.

Abstract: A gauge (100) for measuring wear of a trailer kingpin (10) provides, for each of the base (20) and shank (30) parts of a kingpin, two contiguous slots (118 and 120, and 114 and 116, respectively), one slot (118, 114) sized to indicate sufficient wear to warrant scheduling replacement or rebuilding, and the other, more lateral slot (120, 116), sized to indicate failure due to excessive wear. In described embodiments, the two pairs of contiguous slots (118 and 120, 114 and 116) are joined in the middle of the gauge (100) by an entrance area (112). A respective kingpin base (20) or shank (30) that does not pass, at its widest point, from the entrance area (112) into the respective slot (118, 114) has not worn to the point of warranting replacement or rebuilding. Embodiments of the kingpin gauge (100) may also have spaced apart open slots (141, 142) for measuring the length and trueness of a kingpin along its vertical axis (50).