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The Michelin FAQ provides answers to many commonly asked questions about our company and our tyres
The rim width range is extremely important. This range represents proper rim widths that will assist the tyre/wheel assembly in meeting its performance potential. To achieve the best balance between ride, handling and tread wear, select a rim width in the middle of the manufacturer’s range.
To improve cornering traction and steering response, choose a rim at or near the maximum recommended width. The wider the rim width, the straighter the sidewall and the quicker the steering response. Conversely, using a rim width at the low end of the range will cause the tyre to balloon or curve out, slowing steering response.
Refer to our website for tyre specifications.
If no instructions for tyre mixing appear in the vehicle owner’s manual, adhere to the following guidelines:
Tyres with directional tread patterns must be mounted so that the primary direction of rotation matches the directional arrows on the tyre sidewall. If all four tyres are the same size, directional tyres can be rotated front to back.
Tyres with tread patterns that are both asymmetric and directional require left and right specific tyres. Sidewall markings will identify the side of the vehicle and the primary direction of rotation for the tyre. If all four tyres are the same size, they can be rotated front to back.
Yes. Here are several tips to help increase the life of your tyres:
Properly maintained tyres can help to give you a more comfortable ride and a longer tread life. So:
For more tyre maintenance tips, click here.
Many factors can affect the tread life of your tyres, such as:
That’s why exact mileage is impossible to predict. Take special care when braking, accelerating and cornering, etc., to help increase the life of the tyre. (Owning tyres with Michelin’s technology doesn’t hurt either.) If you have concerns about the rate of wear on your tyres, consult your local authorised Michelin retailer.
Tyres should be stored in a cool place away from direct sunlight, sources of heat and ozone such as hot pipes and electric generators. Exposure to these elements during prolonged periods of time will exhaust the tyre's oxidation and weathering agents within the rubber compounds and result in cracking. Be sure that the surfaces on which the tyres are stored are clean and free from grease, fuel or other substances that could deteriorate the rubber.
For mounted tyres inflate at, but no higher than, the recommended air pressure. Store vehicles on blocks to remove the load from the tyres.
The vehicle manufacturer selects the size and type of tyres for their vehicles. They perform the necessary testing to establish the vehicles’ optimised operating tyre inflation pressures which can be found on the vehicle placard (located on the inside of the driver's door) and in the vehicle owners’ manual.
If the tyres on your vehicle are the same size as the original equipment tyre, inflate them to the pressures indicated on the placard.
Nitrogen is an inert gas. It is simply dry air with the oxygen removed (air contains nearly 79% Nitrogen). The physical properties of nitrogen reduce the pressure loss due to the natural permeability of the materials of the tyre. Unfortunately, there are other possible sources of leaks (tyre/rim interface, valve, valve/rim interface and the wheel) which prevent the guarantee of pressure maintenance for individuals using air or nitrogen inflation. Tyres manufactured by Michelin are designed to deliver their expected performance when inflated with air or nitrogen, as long as the user respects the pressures recommended by the vehicle manufacturer on the vehicle's placard or those of the tyre manufacturer. Whether they are inflated with air or nitrogen, regular pressure maintenance remains critical because under-inflated tyres lead to:
In addition to performing regular maintenance, you must also keep an eye out for potential problems that might affect your tyres. Regular inspections can help you prevent tyre trouble, and keep you rolling safely down the road. When inspecting your tyres, look for:
Uneven tread wear : This can include more wear on one tread edge than the other, a rippled pattern of high and low wear, or exposed steel wire. Uneven wear can be caused by problems such as under-inflation, misalignment and improper balancing.
Troublemakers : Check for small stones, pieces of glass, bits of metal and other foreign objects that might be wedged into the tread, and carefully pick them out. They can cause serious problems if they are pushed farther into your tyre as you drive.
Damaged areas : Cracks, cuts, splits, punctures, holes and bulges in the tread or on the sides of the tyre can indicate serious problems, and the tyre may need to be replaced.
Slow leaks. tyres lose some air pressure (about 2 psi) over the course of a month or so, but if you find that you have to add air every few days, have the tyre, wheel and valve checked—and if necessary, repair or replace the tyre.
Valve caps : Those little caps on your tyre’s valve stem keep moisture and dirt out, so make sure they are on all your tyres. Also, when you have a tyre replaced, have a new valve stem assembly installed at the same time.
Driving on a damaged tyre can be dangerous. If you see something that you’re not sure about during your inspection, have it examined by your tyre dealer. Any time that you see damage to a tyre, don’t drive on it – use a spare if you need to go somewhere. And finally, pay attention to the “feel” of your tyres as you drive. A rough ride may indicate tyre damage or excessive wear. If you notice vibrations or other disturbances while driving, and/or you suspect possible damage to your tyre or vehicle, immediately reduce speed, drive with caution until you can safely pull off the road and stop, and inspect your tyres. If a tyre is damaged, deflate it and replace it with your spare. If you do not see any tyre damage and cannot identify the source of the vibration, take the vehicle to a tyre dealer for a thorough inspection.
Michelin recommends replacing all four tyres at the same time, however if replacing only two new tyres, be sure that the new tyres are the same size and tyre type as the current tyres and that the dealer always installs the new tyres on the rear axle of the vehicle click here for more information
It will help to reduce the potential for the vehicle to fish-tail and lose stability in wet conditions
Michelin recommends replacing all four tyres at the same time, however if replacing only two new tyres, be sure that the new tyres are the same size & tyre type as the current tyres and that the dealer always installs the new tyres on the rear axle of the vehicle. Click here for more information
It will help reduce the potential for the vehicle to fishtail and lose stability in wet conditions
Thank you for your interest in Michelin. We ask that you forward your research proposal in writing to the following address.
51-57 Fennell Street, Port Melbourne, VIC 3207 Australia
Fax:1300 72 48 48
Road hazard damage is damage that occurs when a tyre fails as a result of a puncture, bruise or break incurred during the course of normal driving on a maintained road. Nails, glass and potholes are the most common examples of road hazards.
Avoid running over objects (e.g. potholes, rocks, kerbs, metal and glass, etc.) which may cause internal tyre damage. Internal damage, not visible without demounting the tyre, may be caused when a tyre runs over an object. Continued use of a tyre that has suffered internal damage (which may not be externally visible) can lead to dangerous tyre failure. Determination of suspected internal damage requires demounting the tyre from its rim and examination by a trained tyre personnel.
When the centre tread wears faster than the adjacent tread surfaces, possible causes include over inflation for load carried, rim width too narrow, misapplication, smooth wear after spin-out, improper tyre rotation practices, aggressive acceleration or under-inflation for certain tyre types, such as performance tyres.
If the tread depth is at or below 1.58 mm (2/32") in any groove or if cord material or under tread is exposed, the tyre must be replaced. If sufficient tread remains, verify the proper rim width and vehicle fitment as well as verifying/adjusting inflation pressures, then rotate the tyres for maximum wear.
When the shoulder of the tread on one side of a tyre wears faster than the adjacent tread surface, this can result from a variety of conditions, such as front and/or rear misalignment (example, toe or camber), loose or worn suspension components, hard cornering, improper tyre-rotation practices, misapplication, high crown roads or non-uniform mounting.
If the tread depth is at or below 1.58 mm (2/32") in any groove or if either cord or under tread is exposed, the tyre must be replaced. If sufficient tread remains, verify that the tyre has been properly mounted, then rotate the tyres for maximum wear.
When tread is worn in one or more spots around the tyre circumference, this can indicate brake lock/skid, improper balance, localised underlying separation, loose/worn suspension components, improper bead seating/mounting, progression from initial tread cut/chip/road hazard injury or chemical contamination. Surface texture may have initially shown abrasion marks from the tyre sliding on the road, but the surface may have since worn smooth.
When the tyres with a flat spot are used in a dual application. you may consider rotating one tyre 180 degrees in relation to the flat spot on the other tyre.
If the tread depth is at or below 1.58 mm (2/32") in any groove or if either cord or under tread is exposed, the tyre must be replaced.
When the cause of the flat spot is not apparent, your tyre dealer should contact our Consumer Care Department.
Feathering is a condition when the edge of each tread rib develops a slightly rounded edge on one side and a sharp edge on the other. The most common causes of feathering are incorrect toe-in setting or deteriorated bushings in the front suspension. The toe setting should be as close to 0 as possible for the optimum wear.
The tyres should be inflated to the pressure as indicated on the sticker on the inside of the driver’s door. The vehicle manufacturer has determined this pressure is optimal for load, ride, handling, rolling resistance and tread-wear performance.
The brownish colour on the sidewall of your tyres is not a defect. The source of this discolouration can be varied. One possibility is that the tyres contain an anti-ozone agent in their rubber compounds to slow down the ill effects of exposure to ozone in the air. This anti-ozone ingredient will migrate to the surface of the rubber and leave the appearance of a brownish dust. This is completely normal and technically is no cause for concern. In time, depending on usage, it will disappear.
Other possibilities for discolouration can be simply dust that is picked up from normal driving or brake dust which is generated by the abrasion of the brake pads against the brake rotor. This latter condition is more prevalent when the brakes are new or have recently been relined. In all cases, we recommend that you continue to clean your tyres with mild soap and water.
Tread-wear or life expectancy is determined by many factors:
Driving habits and style of driving, geographical location, type of vehicle, type of tyre, how the vehicle is maintained and how tyres are maintained, etc.
As a result, mileage expectancy is impossible to determine.
Our Limited Warranty covers defects in workmanship and material for the life of the tread or six years from the original date of purchase, whichever occurs first. We offer no mileage warranty on the tyres that were originally equipped on your vehicle.
We suggest that you have the tyres/vehicle inspected by a participating tyre retailer in your area to determine if there is perhaps a mechanical or maintenance issue that could be contributing to a rapid or irregular wear pattern.
Your satisfaction is important to us. Please have the dealer contact us with the tyre inspection as we are willing to offer you assistance with your concern
Noise is most commonly due to an uneven or irregular wear pattern that has developed on the tyres.
We suggest that you have the tyres inspected by a participating tyre retailer in your area. To find the dealers near you, refer to the Yellow Pages of your telephone book or utilise the Dealer Locator on our website.