Tire wear patterns pdf

Tire tech information diagonal tread wear tread scuffing. This patch can repeat around the circumference of the tire. The honda valkyrie, vtx 1800 and gl1800 all have a five inch rim on the rear so pay attention when mounting oversized or car tires. What you may not realize is that the wear caused by friction is the result of several factors, including the tires rubber, the tires load and inflation and the influence of the vehicles mechanical systems such as alignment with road surfaces. However, there are some types of wear such as uneven and irregular tire wear that are premature and are the result of improper tire inflation and or other external mechanical factors. Clues in tire wear patterns, like inner and outer wear, center wear, edge wear, cupping, and patchy wear, can help you understand the innerworkings of your vehicleeven if you arent a tire expert. Improper trailer axle alignment is often the cause of trailer tire wear problems. Uneven tire wear compromises the life and performance of your tires, the handling of your vehicle, and your safety. However, what is often overlooked is how tire pressure impacts the tread life of tires. Tire decal usually located on the vehicle door, door pillar, or glove box lid. Most people understand that improper tire rotation and wheel misalignment are the leading causes of premature treadwear. Tire wear patterns for all vehicle types measuring and recording tire tread depth.

This causes the tires to ride on the middle portion of the tread, and it will begin to wear down much faster than the rest of the tire. Pdf a theoretical tyre model was developed analytically using the proposed middle plane for predicting the threedimensional global tyre. The very safety of you, your family and anyone else who rides in your car depends on the performance of your tires. Tire wear patterns, tire sales, mesa az accurate automotive. Onesided wear results when the top of the tire leans away from or toward the vehicle. Follow along as we teach you what to look for in your tire wear patterns, and then what you can do to help get them fixed. The result is a wear pattern on the block runout edge, and its more likely to appear on nondriven wheel positions. Tire wear patterns, tire sales, mesa az if you need new tires, mesa, az is home to accurate automotives tire center.

Most people call this the tread however, technically speaking, the tread is the portion of the tire that actually makes contact with the road, and the pattern refers to the grooves in between the blocks of tread. Underinflation, the most common culprit, causes excessive wear on tire shoulders. Appearance localized wear patch on the shoulder rib of the tire. As the part of a tire that rolls in contact with the road, tread patterns incorporate a variety of features molded into their rubber compound that support the vehicles load while resisting heat and wear. Introduction to radial tire wear conditions and causes.

The tread pattern is designed to produce varying degrees of traction, cut resistance, flotation, wear and heat resistance. If your trailers tires show any unusual signs of wear, contact. To determine whether you need to a buy new tires, b have your wheels balanced, c add air into your tires, d have your wheels aligned, or e change your driving habits, simply read your tire treads for clues. If youve ever seen someone burn rubber at a stoplight, you know what causes tire wear. Introduction read this manual carefully it is important for the safe operation and servicing of your tires. Advertisementclick here to read moreadvertisement overinflation wear tire wear in the center of the tread pattern tells you that the. Tire wear should be checked frequently because once a wear pattern becomes firmly established it is difficult to stop, even if the underlying cause is corrected. How to read tire wear patterns knowing how to read your automobiles tire wear is important to your vehicles performance and your safety. Tire tread patterns feature different basic designs to help them meet anticipated driving conditions. There is excessive contact with the outer edges of the tire, and the road surface as the vehicle travels down the road. The following tire wear guide will help you identify the causes and solutions of most common tire wear patterns. A critical factor in tire maintenance is proper inflation, which impacts safety, as well as financial, issues.

In summary, the asymmetric pattern is meeting and exceeding the. Learning to read the early warning signs of trouble can prevent wear that shortens tire life or indicates the need for having other parts of the trailer serviced. It is caused by incorrect rear wheel toe settings that direct the tires to follow a path slightly different than the vehicle. Thats why its so important to spot signs of uneven tire wear early and take corrective action. Wear indicators are available on nearly every tire meant for consumer use, including motorcycle tires. Two common causes of early tire wear out and irregular tire wear are improper inflation pressure and outofspec alignment conditions. Front tires wear faster at both shoulders rear tires wear faster in center tread area the following rotation patterns are normally recommended for radial tires. Underinflated tires wear on the shoulders or outside edges. The tread blocks form continuous ribs around the tire. Whether tire wear patterns suggest something as simple as an overinflated or underinflated tire, or point to a more serious problem with the cars suspension or alignment, by understanding what the tire wear patterns and moldedin markings mean, youll be better able to determine the overall health of your car. Sixtire rotation light truck tires should be rotated on a regular basis to even out wear rate. This wobble will cause the tire to wear improperly and probably show up as a vibration as well. When a tire is improperly inflated, theres a good chance it will start to wear more rapidly andor unevenly.

Premature or abnormal tire wear is commonly due to the lack of basic tire maintenance and upkeep, incorrect tire alignment, or worn suspension components. As pro car care notes, if the tires are showing too much wear right in the center of the tread, it usually means the air pressure is too high. How to spot tire cupping and other tire wear patterns. When it comes to the reliability of your vehicle, you need quality you can trust. Types of tires seminar report, ppt, pdf for mechanical. Probable cause faulty shocks, lateral runout, loose wheel bearings, mismount, severe balance issue. The relative performance of tires depends upon the actual conditions of their. Usually, a tire with a rib tread pattern is much quieter than a tire with a lug or block tread pattern. A minor amount of heel and toe pattern wear is reasonable and has no discernible effects on driving comfort. Improper air pressure will cause tires to wear in specific patterns according to whether the tire is overpressured or underpressured. Diagonal tread wear is intermittent angled wear across the face and all of the way around the circumference of rear tires. This is mostly caused by tires that are overinflated. On a staggered car, you can go sidetoside to try and help with uneven wear issues that are very common on those setups.

One potential cause for irregular wear on steer tires may be a trucks ackermann characteristic. Incorrect toe will cause a featheredge wear pattern across the tire. There will be tread on the sides of the tire and a smooth, narrow strip of wear around the center of it. Research tread wear patterns in the appropriate information. Symmetric tread patterns a symmetric tread pattern is the most common and features continuous ribs or independent tread. Different patterns, sizes, designs and components of a tire offer the vehicle the best productivity and efficiency in a specific application. How to maximize commercial truck tire life safety work. Race track motorcycle tyre wear guide types and causes.

Pdf threedimensional global pattern prediction for tyre tread wear. Radial truck tire and retread service manual goodyear. It is an essential part of most ground vehicles and is used to dampen the oscillations caused by irregularities in the road surface, to protect the wheel from wear and tear as well as to provide a highfriction bond between the vehicle and the ground to improve acceleration and handling. Abnormal wear patterns are often caused by the need for simple tire maintenance, or alignment. Causes, indicators, and remedies of irregular tire wear. How tire pressure impacts treadwear where the rubber. Study on the simulation of radial tire wear characteristics wseas. But if the wear is more extensive, more specific issues may be at fault. If your tire is showing bad wear patterns on the edge third, where the start of the wear pattern the bit closest to the middle of the tire follows the circumference of the tire uniformly, you can be pretty sure youre suffering from geometry tear and do not have enough weight on the front. This video explains how you can recognize different problems with your car, just by looking at the treads of your t. When a tire is overinflated, the tire, in essence, bulges out more in the center. There is excessive contact with the center of the tire and the road. The most common tread pattern in use on passenger tires is the symmetric tread pattern.

The usual suspects irregular steer tire wear patterns. For example, a tire graded 150 would wear one and onehalf times as well on the government course as a tire graded 100. Improper balance will cause the tire to spin with a wobble due to unbalanced centrifugal forces. A tire or tyre is a device covering the circumference of a wheel. The procedure includes 30 to 100 vehicles fitted with the target tires for wear. In these types of patterns, the outer and inner sides of the tread are symmetricthat is, they are mirror images of one another. Overinflation causes prematureirregular wear at the tire center and, at the extreme, can lead to tire blowouts. Tire tech information alignment, looking for a quiet performance tire.

Tire wear is often misunderstood by even seasoned drivers. Tire wear patterns common tire conditions discount tire. Tires with the same size tread segments all around the circumference of the tire a single pitch pattern tend to create significantly higher noise levels than tires with tread. Tires with a symmetric tread may use any type of rotation method. Here are the most common wear patterns and what causes them. Most specifically, it can tell you if the angles, inflation and components are within specification.

This how to document shows you how to align both single axle and multi axle trailers so that your trailer moves down the road straight and reduces tire wear and heat buildup. Tread patterns are often classified by the design of their ribs, blocks, lugs andor grooves that have allowed engineers to. Overinflation accelerates center tread wear, reduces tire traction and makes the. If your tyre is showing bad wear patterns on the edge third, where the start of the wear pattern the bit closest to the middle of the tyre follows the circumference of the tyre uniformly, you can be pretty sure youre suffering from geometry tear and have too much weight on. Checking your tires for wear you should check your tires for wear at least once a month and before and after long trips. When properly maintained, tires provide enough grip in at least most road conditions, cut a cars stopping distance, aid in sudden emergency maneuvers, and guard against other onroad perils. In any street tire, you will see a pattern of grooves in the surface of a tire. Atf tires has been serving the kaukauna, wi area for over three decades. The way your tires including tire tread and tire sidewall wear down can say a lot about the state of your vehicle and your driving habits overall.