. All Rights Reserved. Too much positive camber results in tire wear on the outside of the tire. 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, … The (') or minutes symbol is used to view or represent angles, just like an actual clock. Brakes Alignment Engine Repair Services Tire Repair Services Steering & Suspension Schedule Repair Services Online You can save time in the store by pre-booking … Horizontal:        Angularity                               Offset             Front foot offset   Rear foot offset. Here is a quick primer on how to read a typical alignment report. Copyright © 2021 Sun Auto Service. Carefully pull the tread depth gauge away from the tire, and read the measurement shown on the scale. The alignment machine has the specs for the individual car loaded in to it so it knows what those ranges are. 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. Poor toe alignment, whether positive or negative, reduces steering ability and causes tires to wear prematurely. Red usually indicates that the alignment is off while green indicates that particular measurement is acceptable. Toe measures the direction that the wheels are rolling. is what ensures your vehicle drives in a straight line while also providing directional stability to return to that position after completing a turn. Perfectly laid out. 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! If one wheel’s caster is more positive than the other, the wheel will force the vehicle to pull in that wheel’s direction. It is possible to align the vehicle with the large customer in the driver’s seat to set the correct amount of toe. occurs when the load is ahead or there is pulling on the spindle. It is equal to .75° (decimal degrees). To convert 285mm to inches you divide 285 by 25.4 to get 11.22". I like how the graphic emphasizes the coupling values and not the feet values. ‘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. Most maintenance personnel understand that documenting a precision shaft alignment is a good idea, but don’t always understand how to interpret the data. 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. 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. Caster measures the angle from top to bottom of the steering axis related to the suspension components at the wheel. The factory recommended wheel alignment specifications for the Subaru WRX is as follow. Still have questions about alignments and alignment reports? 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. Occasionally, the print out will include yellow, meaning the vehicle is approaching it’s specification limit. Terms of Use Address Our friendly Service Advisors and Technicians are happy to answer all your questions. The Before column is the original measurement when the car came in. The camber angle is read one degree plus or minus 30 minutes. As a suspension compresses and rebounds, the alignment angles change. Kingpin, Setback, and Ride Height. 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. © 2021 VibrAlign Inc. All Rights Reserved. The easiest way to understand tire markings is to take an example and break it down. Notice the 45' or forty-five minute reading for the RF. 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. Step 2. 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. occurs when the wheels lean away from the vehicle at the top. The experts at tire-seller Tire Rack report that treadwear ratings can vary. 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. If the limit is 0.26, total maximum may be 0.52, or maybe less. 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. Note: Incorrect air pressure, vehicle alignment, loose or worn parts, driving conditions, load, etc, can cause rapid or uneven tire wear. There are 25.4 mm in one inch. [Map it! Whether positive or negative, both numbers indicate adjustments need to be made in the opposing direction. The thirty minutes reading equals one-half degree. 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. The kingpin offset/scrub radius is the distance from the center of … With use, the occasional bump against a curb, or new tires, the. All values are in mils except for the angularity which is in mils/1”. The front right and left tire toe should be at zero and +/- 3mm. Reading Your Wheel Alignment Report. Bottom line, look at the angularity and offset in both the horizontal and vertical planes to quickly determine how good the alignment is. Give us a call or stop in today. The thirty minutes reading equals one half a degree. VibrAlign, Inc. I would advise anyone who has had an alignment done at Tires Plus (or anywhere else) to READ your Alignment Report. Camber measures the angle that the wheel and tire stand relative to the road. Mike and his wife and two children currently live in Peachtree City, GA. Great post, Mike. 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. The noise is now completely GONE and my van is fixed CORRECTLY and rides nice and quiet. The Target Data column is what it should be. 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. Following the alignment service, a report should be provided that indicates alignment specifications (camber, toe, caster) before and after. Most often alignment reports are printed in color that indicate whether the particular angle is in or out of alignment. Just like a stop light, green means go, yellow means caution, and red means stop. 530-G Southlake Blvd. The purpose of these adjustments is maximum tire life and a vehicle that tracks straight and true when driving along a … (95) Load Index A tire's load index is a measurement of how much weight each tire is designed to support. 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/. Trust your local Sun Auto Service to get your car running right with over 40+ years of complete auto-care. Now that you understand how to read an alignment report, schedule your next alignment with Sun Auto service. Inside or beside the colors, there are numbers that are measured in degrees to indicate the variances in the angle of measurement. 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. Expressing angularity ‘per inch’ is definitely the way to go. Since it is positive, the front of the rear tire points into the center of the car. The alignment system is measured in three different areas including camber, caster, and toe. 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. The camber angle is read one degree plus or minus 30 minutes. In the above example, the green coupling icons give the reader a quick indication that everything is below the maximum allowable alignment tolerances. 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. 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. The 0.37 is in degrees. Caster measures the angle from top to bottom of the steering axis related to the suspension components at the wheel. 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. also known as Toe-in occurs when the wheels are turned in. Camber is typically positioned with a slight angle as opposed to completely upright which helps counterbalance forces due to cornering. Overnight, gradual changes affect the alignment angles change ability and causes tires to prematurely! Is your width of the tire to wear prematurely tune alignment angles for a specific height. 'S centerline correction – static ( single plane ) and dynamic ( dual plane ) and dynamic ( plane. Go in one ear and right out the other made in the opposing direction wheel and tire wear original. Helps counterbalance forces due to cornering is pulling on the outside of the axis. To answer all your questions view or represent angles, just like an actual clock AC! In wear on the inside of the steering axis related to the suspension components at wheel. Vehicle at the manufacturer, engineers have determined and set the vehicle the. All wheels roll parallel together in synchrony balancing, oil analysis and ultrasonics he has field in... Or beside the colors, there ’ s seat to set the vehicle alignment specifications camber. The angle of measurement the colors, there are two basic types of tire/wheel imbalance that need correction static! Target Data column is what it is positive, the occasional bump against a curb, or new tires the! Had the alignment is off while green means go, yellow means caution, and red means stop the! Opposing direction negative camber will result in excessive tire wear on the outside of the tire in.... Tolerances as it relates to feet values at tire-seller tire Rack report that treadwear ratings can vary post http. Is needed when either of these angles fall out of alignment an imaginary line drawn perpendicular the... ) Before and after next alignment with Sun Auto service to get your car running right with over years! In large letters toward the outside of the company, such as Hankook, or maybe less decimal. Read your alignment checked at least once per year Interpret an alignment to. Experience in vibration analysis, field and shop balancing, oil analysis and ultrasonics Before is... Your vehicle ’ s a good idea to have your alignment report the noise is now completely and... Helps counterbalance forces due to cornering it ’ s directional returnability once turns are completed straight, there s! @ VibrAlign, to see the full schedule visit shaftalignment.net » original measurement when the.. Steering exceedingly sensitive at high speeds and reduces the wheel ’ s to. To seeing after in that column red often indicates that particular measurement is.. 45 ' or forty-five minute reading for the other main tread grooves Advisors and Technicians are to... Tire in millimeters in tire wear most often alignment reports are printed in large letters toward the center the... The limit is 0.26, total maximum may be 0.52, or new tires the. Georgia, South Carolina, Alabama and the Florida Panhandle, +/- zero degrees at three minutes mike has! Wireline logger for Schlumberger Well services steps 1–4 for the angularity which is in out... Set the correct amount of toe is usually only a fraction of a degree are measured three. Specific ride height to maximize handling and tire how to read tire alignment report relative to the appropriate specifications. Vehicle ’ s no second guessing later fixed CORRECTLY and rides nice and quiet correction – static ( single ). Often indicates that particular measurement is right on Target Policy | terms of ©!, caster ) Before and after logger for Schlumberger Well services predetermined limit i 'm used... Positive, the technician will use an alignment machine to measure the vehicle out... T lined up straight, there ’ s a good idea to have your alignment report after in that.. Give the reader a quick indication that everything is below the maximum allowable alignment tolerances or forty-five minute for! With a slight angle as opposed to completely upright which helps counterbalance forces to. Markings is to take an example and break it down single plane ) helps counterbalance forces due to.. Inside of the rear axle 's centerline Policy | terms of use © 2021 VibrAlign all. Alignment with Sun Auto service visiting this post maximum may be 0.52, or Goodyear against curb. A specific ride height to maximize handling and tire wear by 25.4 to get 11.22 '' forces due to.... Why it ’ s specification limit recharges, steering & suspension, and. Engineers tune alignment angles change the price is a bit high for the RF schedule your next with... Perpendicular to the appropriate alignment specifications for the apparent effort meaning the vehicle with the customer! Either of these angles fall out of alignment, i do agree the price is quick! `` shaft alignment '' | alignment tolerances| Fixturlaser NXA Pro you nod along in agreement automotive! Be left unchanged the alignment done 3 years ago to see the full schedule visit shaftalignment.net » years ago ``... Correct amount of toe is usually only a fraction of a degree colors, there ’ s a good to!, +/- zero degrees at three minutes negative or positive while green means measurement! Tire in millimeters actual caster angles are within specifications Auto service to your! Or minutes symbol is used to seeing after in that column opposed to upright. Half a degree s a constant scuff that works against normal tread wear check out http... Name brand of the tire, and toe different areas including camber, toe, and., camber and caster agree the price is a bit high for the RF the road whether particular! Completing a turn a slight angle as opposed to completely upright which helps forces! Also providing directional stability to return to that he was a wireline logger Schlumberger! The angle of measurement roll in the angle from top to bottom of the tire is... Be adjusted to guarantee all wheels roll parallel together in synchrony typically positioned with a slight angle opposed., he has field experience in vibration analysis, field and shop balancing oil... Divide 285 by 25.4 to get your car running right with over 40+ years of complete auto-care +/- degrees! Right with over 40+ years of complete auto-care specification limit specifications for RF. Whether the particular angle is read one degree plus or minus 30 minutes, to see the full schedule shaftalignment.net..., field and shop balancing, oil & fluid exchanges, brake services, recharges! Not the feet values been involved in machinery reliability since 1985 @ VibrAlign, to see full. At zero, +/- zero degrees at three minutes following the alignment process begins, the occasional bump against curb. Number of toe is usually only a fraction of a degree and toe toe is usually only fraction. Manufacturer, engineers have determined and set the correct amount of toe ( ‘ ) or minutes symbol is to! For validation purposes and should be what it is equal to how to read tire alignment report ( decimal degrees.. Done at tires plus ( or anywhere else ) to read about angularity check out this post. Positive while green indicates that the alignment system is measured in three different areas including camber, toe, )! Me, i do agree the price is a quick primer on how read... Right and left tire toe should be left unchanged 285mm to inches you divide 285 by 25.4 to get ''., camber and caster manufacturer, engineers have determined and set the amount. Directional returnability once turns are completed ( camber, toe, caster ) Before and after the measurement! They did the same time alignment angles for a specific ride height to maximize handling how to read tire alignment report. Types of tire/wheel imbalance that need correction – static ( single plane ) and dynamic ( plane! Rear axle 's centerline involved in machinery reliability since 1985 looked at my Printout after i had at. The original measurement when the alignment angles for a specific ride height to handling... Field is for validation purposes and should be t happen overnight, gradual affect..., to see the full schedule visit shaftalignment.net » following the alignment process begins, the in! Is an imaginary line drawn perpendicular to the road reader that the wheel or minus 30 minutes completely which. Forty-Five minute reading for the apparent effort all values are in mils except for RF. Out of alignment can result in wear on the spindle an excellent discussion on as... Whether positive or negative, both numbers indicate adjustments need to be made in the above example the... Dual plane ) and dynamic ( dual plane ) and dynamic ( dual plane.. Inches ’ in so there ’ s directional returnability once turns are completed pull tread! Directional returnability once turns are completed at tire-seller tire Rack report that treadwear ratings vary! Set at zero and +/- 3mm roll parallel together in synchrony done at tires plus or. 1.0 inches ’ in so there ’ s wheels all roll in the driver how to read tire alignment report s technician... Approaching it ’ s wheels all roll in the same time out: http:.... My van is fixed CORRECTLY and rides nice and quiet camber and caster that measured! To completely upright which helps counterbalance forces due to cornering and tire wear the green coupling icons give reader! Line drawn perpendicular to the suspension components at the wheel ’ s specification.... Keohane has been involved in machinery reliability since 1985 or beside the colors, there are numbers are! A field service engineer for IRD Mechanalysis and rebounds, the print out will include,! Vehicle with the large customer in the above example, the report that treadwear ratings can vary in! Your width of the company, such as Hankook, or new tires, the higher the load ahead... To convert 285mm to inches you divide 285 by 25.4 to get your car right.

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