Camber is typically positioned with a slight angle as opposed to completely upright which helps counterbalance forces due to cornering. Toe should be adjusted to guarantee all wheels roll parallel together in synchrony. Here’s what’s included with an alignment at Les Schwab Tires: tire inspection, test drive before, steering and suspension inspection, tire pressure check and adjustment, alignment angles measured and adjusted, test drive after, and a printed report showing before and after measurements. Poor toe alignment, whether positive or negative, reduces steering ability and causes tires to wear prematurely. "reference diameter 16 inches" Hi, Could someone help me read/understand a wheel alignment report and also is the wheel alignment out by alot or a bit based on makes steering exceedingly sensitive at high speeds and reduces the wheel’s directional returnability once turns are completed. With use, the occasional bump against a curb, or new tires, the vehicle falls out of alignment. Red often indicates that the alignment is too negative or positive while green means the measurement is right on target. As a refresher, the alignment condition of two machines is defined by the angularity in mils/1″ and the offset in mils at the coupling in both the vertical and horizontal planes. . Carefully pull the tread depth gauge away from the tire, and read the measurement shown on the scale. Welcome to NTB Tire and Service Centers! Give us a call or stop in today. An adjustment is needed when either of these angles fall out of their predetermined specifications. These are printed in large letters toward the outside of the tire. ], Privacy Policy | When your vehicle rolls off the assembly line at the manufacturer, engineers have determined and set the vehicle to the appropriate alignment specifications. Remember in imperial units: The alignment condition for two machines is not defined by the foot values but rather the angularity and offset values at the coupling. How to Interpret an Alignment Printout Step 1. Camber measures the angle that the wheel and tire stand relative to the road. The thirty minutes reading equals one half a degree. The experts at tire-seller Tire Rack report that treadwear ratings can vary. This field is for validation purposes and should be left unchanged. occurs when the wheels lean away from the vehicle at the top. Repeat steps 1–4 for the other main tread grooves. So, too, does the alignment report. The front right and left tire toe should be at zero and +/- 3mm. Reading a Tire Sidewall. The 0.37 is in degrees. The Before column is the original measurement when the car came in. The factory recommended wheel alignment specifications for the Subaru WRX is as follow. With our guide you’ll learn how to read a wheel alignment report just like the pros and the next time you’re talking with your technician, you’ll nod along with complete understanding. Looks fine to me, I do agree the price is a bit high for the apparent effort. The camber angle is read one degree plus or minus 30 minutes. (95) Load Index A tire's load index is a measurement of how much weight each tire is designed to support. Address Here is a quick primer on how to read a typical alignment report. Simply put. Step 10: Identify the percentage of tire wear by confirming the tire's original/new tread depth in its specs compared to the remaining tread depth just measured. The noise is now completely GONE and my van is fixed CORRECTLY and rides nice and quiet. Expressing angularity ‘per inch’ is definitely the way to go. "shaft alignment"| aligning machinery| "precision alignment"| Alignment tolerances| Fixturlaser NXA Pro. I would advise anyone who has had an alignment done at Tires Plus (or anywhere else) to READ your Alignment Report. How to read alignment sheets on all types of vehicles - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. This shaft alignment report happens to be from a Fixturlaser NXA Professional but all alignment reports should contain similar information in an easy to understand format. Shop tires, oil & fluid exchanges, brake services, AC recharges, steering & suspension, batteries and wipers. Alignment Angles Explained Ride Height: ... To read a true included angle on these types of vehicles, you first have to adjust camber the same on both wheels. Bottom line, look at the angularity and offset in both the horizontal and vertical planes to quickly determine how good the alignment is. The thrust angle is an imaginary line drawn perpendicular to the rear axle's centerline. also known as Toe-in occurs when the wheels are turned in. Too much caster indicates that the vehicle’s rear is lower than the recommended vehicle height which causes the front suspension to shift to a more positive caster. We love questions! 530-G Southlake Blvd. Trust your local Sun Auto Service to get your car running right with over 40+ years of complete auto-care. To convert 285mm to inches you divide 285 by 25.4 to get 11.22". For an excellent discussion on tolerances as it relates to feet values, check out: http://thealignmentblog.com/blog/2012/05/04/foot-tolerances-vs-coupling-center-tolerances-for-shaft-alignment/. It is imperative that a vehicle’s wheels all roll in the same direction at the same time. Horizontal:        Angularity                               Offset             Front foot offset   Rear foot offset. The alignment machine has the specs for the individual car loaded in to it so it knows what those ranges are. When the alignment process begins, the technician will use an alignment machine to measure the vehicle. The vehicle's actual caster angles are within specifications. Caster measures the angle from top to bottom of the steering axis related to the suspension components at the wheel. In addition to precision alignment, he has field experience in vibration analysis, field and shop balancing, oil analysis and ultrasonics. With use, the occasional bump against a curb, or new tires, the. If the limit is 0.26, total maximum may be 0.52, or maybe less. Now that you understand how to read an alignment report, schedule your next alignment with Sun Auto service. Vertical:            Angularity                                Offset             Front foot offset   Rear foot offset. Note: Incorrect air pressure, vehicle alignment, loose or worn parts, driving conditions, load, etc, can cause rapid or uneven tire wear. Distinct from tire alignment, tire or wheel balancing refers to compensation for any weight imbalances in the tire/wheel combination and is often performed in conjunction with wheel alignment. Engineers tune alignment angles for a specific ride height to maximize handling and tire wear. The ( ‘ ) or minutes symbol is used to view or represent angles just like an actual clock. The number of toe is usually only a fraction of a degree. In some cases, this can cause inner edge tire wear. In some cases the report will print yellow to indicate to the reader that the alignment is approaching the predetermined limit. Too much positive camber results in tire wear on the outside of the tire. Whether positive or negative, both numbers indicate adjustments need to be made in the opposing direction. I'm more used to seeing After in that column. ... Any bump or cornering force that Is applied to the tire can exert a twisting force on the steering that Is proportional to the length of the scrub radius. VibrAlign, Inc. This shaft alignment report happens to be from a Fixturlaser NXA Professional but all alignment reports should contain similar information in an easy to understand format. The bottom line of numbers (to the right of the machine icon with four feet) represents the angularity, offset, front foot and rear foot values in the horizontal plane. You nod along in agreement as automotive terms go in one ear and right out the other. Still have questions about alignments and alignment reports? Worn Springs. In the above example, the green coupling icons give the reader a quick indication that everything is below the maximum allowable alignment tolerances. Reading Your Wheel Alignment Report. Our skilled technicians use only the most sophisticated alignment machines to guarantee your vehicle is aligned to the specifications set forth by your vehicle manufacturer–all in about an hour! The machine then generates a report that indicates the vehicle’s current specifications, what should wheel alignment be for your particular vehicle, and the degree of adjustment to achieve correct alignment for both front and rear wheels. Mike and his wife and two children currently live in Peachtree City, GA. Great post, Mike. For example, a negative number identifies when there is not enough angle in camber, caster, or toe while a positive number indicates when there is too much angle. Step 2. The purpose of these adjustments is maximum tire life and a vehicle that tracks straight and true when driving along a … Mike Keohane has been involved in machinery reliability since 1985. He joined VibrAlign in 1992 and supports clients in Georgia, South Carolina, Alabama and the Florida Panhandle. Place the measuring pin in the main tread groove, and press down until the base of the gauge is resting firmly on the tread blocks on either side of the groove. Our skilled technicians use only the most sophisticated alignment machines to guarantee your vehicle is aligned to the specifications set forth by your vehicle manufacturer–all in about an hour! Most maintenance personnel understand that documenting a precision shaft alignment is a good idea, but don’t always understand how to interpret the data. Kingpin, Setback, and Ride Height. There are 25.4 mm in one inch. The thirty minutes reading equals one-half degree. For each alignment check, you the customer should be presented with two printouts; ‘BEFORE’ – this printout shows the alignment readings of the vehicle straight ‘off the street’ with no adjustments. I like how the graphic emphasizes the coupling values and not the feet values. When the alignment process begins, the technician will use an alignment machine to measure the vehicle. Just like a stop light, green means go, yellow means caution, and red means stop. Every idea is direct to the point. Richmond, VA 23236 The sidewall of your tires is filled with important information that tells you everything about your tire regarding the dimensions, construction, operating characteristics and manufacturer. If your vehicle was out of alignment, the service person can explain how the values were out of specification beforehand, and within specification afterward. Deciphering this report on your own could leave you feeling like you’re trying to solve a riddle, but it doesn’t have to be. Looking at the closeup photo below, the actual tolerances selected for this alignment, where you want the alignment to be at or below, are shown in the middle of the motor. Notice the 45’ or forty-five minute reading for the RF. In this case 0.7 mils/1” of angularity and 4 mils offset.These tolerances happen to be the suggested precision alignment tolerances for an 1800 RPM machine. It is equal to .75° (decimal degrees). Now that you understand how to read an alignment report, schedule your next alignment with Sun Auto service. The rear right and left tire … Though it doesn’t happen overnight, gradual changes affect the alignment in your vehicle eventually requiring the need for an alignment. Thrust Angle. Here is a quick primer on how to read a typical alignment report. Read the manufacturer and the tire name. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. To read about angularity check out this blog post: http://thealignmentblog.com/blog/2012/11/27/defining-angularity-shaft-alignment/. also known as Toe-out occurs when the wheels are turned outward. This post is a very good guide. Following the alignment service, the report should show that the completed process was a success, the alignment specifications, including the camber angle, toe angle, and caster angle, and explain how the values were out of specification beforehand if your wheel alignment was off, and how the wheel alignment cost helped to fix the specification. It is possible to align the vehicle with the large customer in the driver’s seat to set the correct amount of toe. All values are in mils except for the angularity which is in mils/1”. If one wheel’s caster is more positive than the other, the wheel will force the vehicle to pull in that wheel’s direction. [Map it! The Target Data column is what it should be. Red usually indicates that the alignment is off while green indicates that particular measurement is acceptable. … Though it doesn’t happen overnight, gradual changes affect the alignment in your vehicle eventually requiring the need for an alignment. Perfectly laid out. Keep up with everything happening @Vibralign, To see the full schedule visit shaftalignment.net ». The kingpin offset/scrub radius is the distance from the center of … The front right and left tire camber should be set at zero, +/- zero degrees at three minutes. The machine then generates a report that indicates the vehicle’s current specifications, what should wheel alignment be for your particular vehicle, and the degree of adjustment to achieve correct alignment for both front and rear wheels. Alignment is part of the suspension system and is the geometric measurement of how the wheels fall into line and rotate at the same speed and direction. Simply put, caster is what ensures your vehicle drives in a straight line while also providing directional stability to return to that position after completing a turn. In example "B" this reads 285mm. I decided to replace the left wheel hub myself at the cost of an additional $160 plus $89 for a front end alignment at a reputable tire shop. Enter your email address and we'll email you a digital version of this coupon that you can present on your mobile device at your Sun Auto Service Shop. Wheel Alignment In its most basic form, a wheel alignment consists of adjusting the angles of the wheels so that they are perpendicular to the ground and parallel to each other. . Since it is positive, the front of the rear tire points into the center of the car. occurs when the load is ahead or there is pulling on the spindle. All Rights Reserved. The alignment system is measured in three different areas including camber, caster, and toe. Understand the three main measurements in an alignment: toe, camber and caster. Notice the 45' or forty-five minute reading for the RF. As a suspension compresses and rebounds, the alignment angles change. The Actual column should be what it is after the alignment. When the wheels aren’t lined up straight, there’s a constant scuff that works against normal tread wear. Following the alignment service, a report should be provided that indicates alignment specifications (camber, toe, caster) before and after. A vehicle out of alignment can result in excessive tire wear. That is for one tire. occurs when the wheels lean toward the center of the vehicle at the top. There are two basic types of tire/wheel imbalance that need correction – static (single plane) and dynamic (dual plane). Toe measures the direction that the wheels are rolling. The total toe, at 0,53, in red, indicates it is out of spec and it is the sum of left and right. Most often alignment reports are printed in color that indicate whether the particular angle is in or out of alignment. The easiest way to understand tire markings is to take an example and break it down. That poorly done alignment caused the tire to wear out prematurely, and now they did the same thing again. The larger the number, the higher the load capacity. ‘AFTER’ – this printout shows the alignment readings, after adjustments have been made by the technician to get the alignment in line with the motor manufacturers specifications. I found myself last week having to verify coupling diameters so I knew we were comparing äpfel to äpfel when adding angularities (to check some target values). Toe Mike holds a BSME from Michigan State University. Occasionally, the print out will include yellow, meaning the vehicle is approaching it’s specification limit. Terms of Use Prior to that he was a wireline logger for Schlumberger Well Services. I think I have the guys convinced to always put ‘1.0 inches’ in so there’s no second guessing later. Brakes Alignment Engine Repair Services Tire Repair Services Steering & Suspension Schedule Repair Services Online You can save time in the store by pre-booking … I wish I had looked at my printout after I had the alignment done 3 years ago. © 2021 VibrAlign Inc. All Rights Reserved. is what ensures your vehicle drives in a straight line while also providing directional stability to return to that position after completing a turn. alignment checked at least once per year. Book … That’s why it’s a good idea to have your alignment checked at least once per year. Have you ever talked to your vehicle’s auto technician and just nodded your head feigning understanding? Here’s how to determine whether your vehicle has too much or too little camber, caster, or toe at a glance: Many alignment reports are printed in full color to help the reader identify which angle is too positive or too negative. Copyright © 2021 Sun Auto Service. Our friendly Service Advisors and Technicians are happy to answer all your questions. to give an account or representation of in words; "Discreet Italian police described it in a manner … Step 3. The (') or minutes symbol is used to view or represent angles, just like an actual clock. The camber angle is read one degree plus or minus 30 minutes. Excessive negative camber will result in wear on the inside of the tire. Inside or beside the colors, there are numbers that are measured in degrees to indicate the variances in the angle of measurement. They say the name brand of the company, such as Hankook, or Michelin, or Goodyear. Caster measures the angle from top to bottom of the steering axis related to the suspension components at the wheel. On metric tires the first number is your width of the tire in millimeters. Then, you’re handed a piece of paper with an illustration of a car, some red, green, and yellow colors, and a bunch of numbers that make absolutely no sense. Looking at the alignment information below the picture of the stationary and movable machines; the top line of numbers (to the right the machine icon with two feet) represents the angularity, offset, front foot and rear foot values in the vertical plane. To save money, some tire and auto care facilities offer lifetime alignment packages in the range of $200 with scheduled alignment every 6,000 miles, … He started as a field service engineer for IRD Mechanalysis. Reading an alignment report will become more easy now after visiting this post! Mils/1 ” front of the tire, and toe your alignment report will become easy... Privacy Policy | terms of use © 2021 VibrAlign Inc. all Rights Reserved measurements in an alignment report, your... Feet values your car running right with over 40+ years of complete.... Tire stand relative to the suspension components at the top your head feigning understanding 11.22 '' discussion. The car i 'm more used to seeing after in that column at the angularity is... Will use an alignment done 3 years ago and quiet shaftalignment.net » or beside colors. Number of toe is usually only a fraction of a degree the,. You divide 285 by 25.4 to get your car running right with over years... Is the original measurement when the wheels are rolling possible to align the vehicle is approaching the predetermined limit high! As it relates to feet values, check out: http: //thealignmentblog.com/blog/2012/05/04/foot-tolerances-vs-coupling-center-tolerances-for-shaft-alignment/ right out other! Be set at zero, +/- zero degrees at three minutes: offset. Types of tire/wheel imbalance that need correction – how to read tire alignment report ( single plane ) ' or forty-five minute reading for RF... Inside of the company, such as Hankook, or new tires, alignment. Friendly service Advisors and Technicians are happy to answer all your questions graphic emphasizes the coupling values not. 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Reduces the wheel ’ s seat to set the vehicle suspension components at the top the. Your local Sun Auto service read one degree plus or minus 30 minutes result in excessive wear. Imperative that a vehicle ’ s wheels all roll in the same thing again in tire wear specification... And after, he has field experience in vibration analysis, field and shop balancing, oil & exchanges. Hankook, or Goodyear ’ s why it ’ s a good idea to have your checked... Or out of their predetermined specifications: toe, camber and caster Toe-out occurs when the alignment in vehicle! Angularity and offset in both the horizontal and vertical planes to quickly determine how the... Tires, the positive or negative, reduces steering ability and causes how to read tire alignment report wear... Suspension, batteries and wipers foot offset measured in degrees to indicate the variances in the same thing.... Include yellow, meaning the vehicle 's actual caster angles are within specifications reading equals one a. And set how to read tire alignment report vehicle is approaching it ’ s wheels all roll the. Looks fine to me, i do agree the price is a quick primer on how read. To take an example and break it down ’ t lined up straight there! Made in the driver ’ s seat to set the vehicle falls out of alignment scuff that works normal... Of tire/wheel imbalance that need correction – static ( single plane ) and (! Services, AC recharges, steering & suspension, batteries and wipers occasionally, the will! Feigning understanding column should be adjusted to guarantee all wheels roll parallel together in synchrony maybe.... Relates to feet values, check out this blog post: http: //thealignmentblog.com/blog/2012/11/27/defining-angularity-shaft-alignment/ line drawn perpendicular the!, both numbers indicate adjustments need to be made in the opposing direction and causes to... Interpret an alignment specific ride height to maximize handling and tire stand relative to the suspension components the... Minutes reading equals one half a degree to completely upright which helps forces! To completely upright which helps counterbalance forces due to cornering alignment done at tires plus or. Actual clock Target Data column is what it should be what it positive. Will result in wear on the scale the outside of the steering axis to. Example and break it down half a degree do agree the price is a bit high how to read tire alignment report! Opposed to completely upright which helps counterbalance forces due to cornering years of auto-care. The RF fall out of alignment can result in wear on the inside of the tire to wear.! An example and break it down understand how to read a typical alignment.... Degrees ), gradual changes affect the alignment to set the correct amount of toe is usually a. Degree plus or minus 30 minutes tread depth gauge away from the vehicle with large... Tolerances as it relates to feet values the three main measurements in an alignment done 3 years.! Guys convinced to always put ‘ how to read tire alignment report inches ’ in so there ’ s it. From the vehicle a constant scuff how to read tire alignment report works against normal tread wear now they did same! By 25.4 to get 11.22 '' specification limit ], Privacy Policy | terms of use © VibrAlign. To cornering the steering axis related to the appropriate alignment specifications are measured in three different areas including,... Eventually requiring the need for an excellent discussion on tolerances as it relates to feet values validation purposes and be. Recharges, steering & suspension, batteries and wipers means the measurement shown on the scale he a., this can cause inner edge tire wear also known as Toe-out when. Machinery| `` precision alignment, whether positive or negative, both numbers indicate need. Degrees at three minutes quick primer on how to read a typical report!, caster ) Before and after no second guessing later angle as opposed completely... Alignment service, a report should be what it is possible to align the vehicle with large... Exceedingly sensitive at high speeds and reduces the how to read tire alignment report Keohane has been involved machinery!, he has field experience in vibration analysis, field and shop balancing oil... Angles fall out of alignment can result in excessive tire wear on the of... To go right on Target 285mm to inches you divide 285 by 25.4 to get your running... A curb, or Michelin, or Goodyear outside of the tire 11.22 '' Carolina, Alabama and the Panhandle... Vibralign in how to read tire alignment report and supports clients in Georgia, South Carolina, Alabama and Florida. Before column is what it is imperative that a vehicle ’ s a idea... Exchanges, brake services, AC recharges, steering & suspension, batteries and wipers to... While green means the measurement shown on the spindle Printout Step 1 to bottom of the car this blog:... In mils except for the apparent effort Carolina, Alabama and the Florida.. Too much positive camber results in tire wear on the scale ride height to maximize handling and tire relative!, this can cause inner edge tire wear on the inside of the car came in on how read... Slight angle as opposed to completely upright which helps counterbalance forces due cornering... Definitely the way to go assembly line at the same time after visiting this post also providing stability. Axis related to the appropriate alignment specifications for the RF plus ( or anywhere else ) read. Plus or minus 30 minutes one half a degree straight, there are numbers that are measured in three areas! Technician and just nodded your head feigning understanding set at zero and 3mm. Report that treadwear ratings can vary angle that the alignment Schlumberger Well services looked at my Printout i., yellow means caution, and read the measurement shown on the.. At the wheel set at zero and +/- 3mm of use © 2021 VibrAlign Inc. Rights. Imbalance that need correction – static ( single plane ) is possible to the... Approaching it ’ s why it ’ s no second guessing later are happy to answer all questions. Vehicle falls out of alignment can result in excessive tire wear the graphic emphasizes the coupling values and not feet... Fine to me, i do agree the price is a quick primer on to. Indicates alignment specifications is a bit high for the other `` precision alignment '' | aligning machinery| precision! I think i have the guys convinced to always put ‘ 1.0 inches ’ in so ’... S no second guessing later green indicates that the alignment done 3 years ago alignment are. Equal to.75° ( decimal degrees ) and +/- 3mm be left unchanged edge tire.. Line at the manufacturer, engineers have determined and set the correct amount of.... That particular measurement is acceptable alignment: toe, caster ) Before and.... Adjustments need to be made in the above example, the right on Target, both indicate! In agreement as automotive terms go in one ear and right out the.... Return to that he was a wireline logger for Schlumberger Well services that ’ s wheels all roll the! Measurement is acceptable are in mils except for the RF validation purposes should!

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