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Vehicle Care


When Should I change my tyres?
Tyre is the only contact between road and the vehicle. The part of your tyre which is in contact with the road is only about the size of a postcard. Your safety, comfort and fuel economy depends on this small contact patch. Any abnormal change in this can result in loss of vehicle control and thereby posing a serious threat to road safety.

We strongly recommend replacing tyres when you see any one of the following signs on your tyres :

When Tyre is worn out: Make sure to regularly check the tread depth of your tyre and replace them when they are worn up to TWI (Tread Wear Indicator). Most tyres have tread wear indicators, usually six or more small ribs across the bottom of the main tread grooves. For motorist the remaining tread depth of rubber on tyre is one of the important aspect to be closely watched to ensure safety of the vehicle, particularly on wet road conditions and high speeds. In India as per CMVR (Center Motor Vehicle Rule) the non skid depth (NSD) shall not be less than 0.8 mm. in case of two wheeler and three wheeler and 1.6 mm. in case of other motor vehicles below the TWI (Tread Wear Indicator) in the tyre. This is the minimum tread depth at which the tyre needs to be removed or replaced for safe driving. Tyres need replacement when they are not worn up to TWI but have severe uneven/one side wear. This will guarantee maximum traction and grip, helping you avoid any unpleasant surprises.

Condition of tyre: Any damage or injury on the casing/body, tread of the tyre, sidewall of a tyre will weaken its ability to respond driving inputs such as steering, acceleration and braking and will subsequently result in permanent tyre damage or into tyre blow outs. Replace tyre if you observe any such anomalies on your tyre, please consult one of our tyre experts for free evaluation and unbiased recommendation.

Tyre is over aged: If the tyres have been used for prolonged time and have started showing signs of weather cracking or degradation/deformation of casing then replace your tyres as a precautionary measure even if they look good/serviceable condition and have not worn down to the tread wear indicator.

What are some of the important factors related to Tyre safety aspects?
Wrong tyre fitment: Tyre not right for the application intended is also a safety threat. Using of incorrect tyre size, construction, Load index, speed symbol or tread pattern can cause hindrance in delivering vehicle optimum performance which may be lead to threat to road safety.

Tyre Wear: Tyres worn below TWI (Tread Wear indicator) are unsafe for usage. Tyres with one side, misalignment, spotty or uneven wear can also seriously affect traction or braking performance of a vehicle. This can also cause hydroplaning phenomenon, where in a thin film of water is created between tyre and road resulting in complete loss of steering control.

Improper tyre air pressure: Under/Over air pressure can modify tyre contact area/patch which can adversely affect tyre /vehicle performance. Under inflation results in excessive flexing of tyre causing heat build ups and make them vulnerable for blow outs. Even tyre inflation process if not properly done can also result in accident or injury.

Damaged tyre: Load of the vehicle, passenger, goods is carried out by the compressed air contained in the tyre. This pressure can result in sudden air loss/burst if there is any weak portion in tyre due to injury or damage.

Heat Buildup: Heat build up is the major source of tyre failures. This can be caused by over speeding or incorrect speed rating of tyre due to wrong tyre fitment

Vibration is an indication that your car needs attention. The tyres, steering system and suspension system should be checked to help determine the possible cause and correction of the vibration. If left unattended, the vibration could cause excessive tyre and suspension wear.

My tyres are losing air pressure very frequently and there is no puncture? What should I do?
There could be many factors for this involving wheel rim, tyre, tube and valve. We would recommend to get your tyres inspected by our tyre experts for investigation and corrective actions.

What are the points should be kept in mind during selection of tyre?
It is highly recommended to use the tyres as indicated by vehicle manufacturer’s specification. However, some of the critical factors to be considered for correct tyre selection are as follows:

  • Vehicle type & use (Passenger or Goods)
  • Load carried and type of load (Load Index)
  • Speed and sustained operations (Speed Index/Symbol)
  • Type/Rim combination (Tyre Size and Rim Profile)
  • Operating conditions (Type of Roads/Terrain)
  • Tyre pattern design requirements based on the application: If directional tyres or special tread pattern are recommended by vehicle manufacture then replacement should be of similar tread pattern type.

 

What is Tyre Rotation?

Rotation of tyre in a vehicle is recommended for a uniform tyre tread wear on all wheel position to achieve optimum tyre life. Tyre Rotation should be performed as per vehicle manufacturer’s recommendation or when uneven tyre wear is observed. It is highly recommended to check wheel alignment, wheel balancing and suspension before the tyres are rotated.

What are recommended guidelines for proper Tyre mounting?
Vehicle running on improperly mounted tyres is a serious threat to the road safety. Here are some important recommendations for proper tyre mounting:

  • Always get your Tyre mounting/demounting done by trained personnel using proper tools and procedure. 
  • Never mount or use damaged tyres/rims. 
  • Tyre mounting is a skilled job and for the people who have the proper equipment and experience. If you try to do it yourself, you run the risk of serious injury to yourself as well as possible damage to your tyre and rim

 

What are various factors affecting Tyre life and performance?

  •  Inflation Pressure: The best performance of tyres can only be achieved when the tyre is inflated to the designated pressure based on the load per tyre. “Under inflation” or “Over inflation” on the tyre tend to impact tyre life, vehicle handling and safety. This can cause heat buildup/tyre temperature and thus loss of tyre life, premature tyre removals, increased rolling resistance and fuel consumption. “Under Inflation” is more common than Over inflation. Tyre users are not always conscious about maintaining or matching tyre pressure to the loads carried. Check the pressures of your tyres, including spare, once in a fortnight and before any long journey or if traveling with a heavy load. Ensure a dirt-free valve cap is always fitted. 
  • Speed: Excessive high speeds results in increased tyre running temperature. This results in increased tyre wear and separation of components
  • Road Conditions: Vehicle/tyre operating conditions significantly influence tyre life both in terms of new tyre life and structural durability
  • Driving habits: Careful driving habits will ensure optimum tyre life. Some of the habits which cause serious damages to tyre and road accidents are Speeding, Speeding over pot holes, stone etc, Quick starts and sudden stops, Riding over road divider and other obstacles, Sharp turns at high speeds, Hitting the road, curbs, objects etc, Running on improperly inflated tyres
  • Seasonal Effects: Climatic and weather conditions in our country varies widely from region to region. Dry and extremely hot during summer, extreme cold during winter and rains during monsoon. This variation in climatic conditions influence tyre life in terms of mileage and structural durability

 

How much load can my Tyre carry safely ?

All tyres are also marked with their load carrying capacity in the form of Load Index. Load index is a numerical code, associated with the maximum load a tyre can carry at the speed indicated by its Speed Symbol  under the specified conditions.


What is the maximum recommended speed for my Tyre?

All tyres are marked with their speed capability in the form of Speed Symbol. Speed symbol is an alphabet to indicate the maximum speed at which a tyre can carry a load corresponding to its load index For example, for a Tyre with size specification “185/70R14 88S”: S is the speed symbol corresponding to 180 km/h. In other words the subject tyre is capable of doing 180 Kmph for load not exceeding its load index 88 (560 kgs).


What is the right way of checking tyre air pressure of my tyres and what should be the frequency?

Always check tyre air pressure when tyres are cold after vehicle has stopped. Use accurate tyre pressure gauge. If check is made when tyres are hot then inflation pressure above 4 psi than the recommended cold operation air pressure by the vehicle manufacturer is permissible. Check the pressures of your tyres, including spare, once in a fortnight and before any long journey or if traveling with a heavy load. Ensure a dirt-free valve cap is always fitted.


What is the correct inflation level for my tyres?

Always maintain tyre air  pressure as recommended by the vehicle manufacturer. You can find this tyre air pressure recommendation in your vehicle owner's manual, posted on the edge of the driver's door, on a door post or on the inside of the glove box door.


My car has tube type tyres. I am planning to replace them with tubeless tyres? Are there any preconditions for tubeless tyre fitment?

There is not tube in a tubeless tyre and air is compressed between tyre and rim assembly. Therefore, it is important that the condition of your wheel rim should be good and should be able to support tyre beads firmly so that there is no air leakage.


Do I need to check tyre air pressure more frequently in tubeless tyres?

No, you do not have to check tyre air pressure more frequently than a tube type tyre provided tubeless tyre is fitted properly on a correct rim with proper valve fitment. However, if condition of rim is not good due to conditions such as bent, cracked, rusted etc or tyre/valve is not properly fitted, this can cause frequent air loss problem. Since air pressure is the most critical parameter in a tyre for its optimum performance, it is advisable to check your tyre on a regular basis irrespective of its tube-type/tubeless construction.

Can I use tube type tyre without tube as tubeless tyres or vice versa?

By virtue of their construction and design , a tube type tyre must not be used without tube as tubeless.   However, use of tube in tubeless tyre for limited period in case of emergencies is permissible.


How to identify that the tyre I am buying is a tubeless tyre?

There is no difference in appearance between tube type and tubeless tyres. However,  “Tubeless” is written on the sidewall of the tubeless tyre to indicate its construction.


What is a tubeless tyre and what are its advantages?

Tubeless tyres, as the name suggests, are tyres without the tube. The tubeless tyre is built in such a way that it can contain the air by itself without tube. In Tubeless construction, tyre and rim assembly form an air container, to seal and contain the compressed air inside the assembly. There are several advantages of tubeless tyre:


Safety: Unlike in tube type tyre there is no sudden air loss in the event of a penetration of sharp object/ puncture. This offers much better control over vehicle. This is the most significant advantage of a tubeless tyre relative to tube type, particularly on sustained high speed operation.

Convenience: By eliminating sudden decrease of air pressure during puncture/penetration of sharp objects, tyre-wheel assembly continues to perform its function for some time to ensure safety and provides more time to have tyre repaired. Secondly, tubeless tyres can also be repaired easily without removing tyre from the wheel for small punctures.

Economy: By eliminating tube, friction between tyre & tube is not experienced resulting in lower resistance, improved fuel efficiency, less vibrations, less heat generation and better comfort.

 

I have bought two radial tyres? Can I mix it with Bias tyres on my car?

Tyres of different size designations, constructions, and stages of wear may affect vehicle handling and stability. For best all-around performance, it is recommended that all tyres be of the same size, construction (radial, non-radial) load and speed rating. Never mix radial and bias tyres on the same axle. When Radial tyres are used with Bias on the same car, the radials must always be placed on the rear axle. A single new tyre should be paired on the rear axle with the tyre having the most tread depth  among the remaining tyres.


How do I know the tyre I am buying is a radial tyre ?

In tyre designation or size markings, “R” is used to denote Radial construction of a tyre. For instance,  for Tyre SIze 165/80R14, R indicates Radial tyre for 14 inch rim diameter code. Moreover “Radial” is also embossed on the tyre sidewall.


Why are Radial tyres better than Conventional Bias tyres ?

By virtue of their inherent design radial tyres have following advantages over Bias tyres:

  • Longer tyre life

  • Improved fuel efficiency

  • Better high speed performance

  • Better Vehicle handling and driving comfort  

  • Improved braking & cornering

  • Better puncture resistance


What are general Manufacturer’s Warranty terms for Tyres?

Generally, all tyre manufacturers provide standard warranty policy for manufacturing defects. Tyres failed due to manufacturing defects will be replaced based on pro-rata wear. Tyre failure due to following conditions are not covered by warranty:


  • Tyres worn beyond tread wear indicator

  • Tyre run without air and subsequent tyre damages do not come under standard manufacturing warranty policy

  • Tyres with road hazard damages (through cuts, external injuries, impact break, punctures, repairable or not repairable)

  • Damages on account of incorrect mounting /demounting, improper wheel alignment, balancing

  • Tyre damage due to vehicle mechanical irregularities

  • Tyres fitted with vehicles carrying of overload , running with high speeds or tyres with under inflation/over inflation

  • Tyres damage on account of accident, fire, chemical explosion, tyre alteration or vandalism

  • Tyres repaired or retreaded

  • Tyres with severe uneven wear/misalignment wear

  • Tyre defects due to climatic conditions, ozone and improper storage


I have purchased tyres from TYRZ “R” US and I have a complaint on my tyre. I didn’t get any warranty/guarantee card? Should I be worried for the warranty of the tyre? What should I do?

No, you should not be worried for the warranty on tyre(s) purchased. We can process manufacturer’s warranty claims on your behalf if you can produce the proof of purchase (Invoice) at the time of warranty claim and the tyre under claim conforms to the tyre warranty conditions.


What does Tyre & Wheel Up-Sizing/Plus-Sizing mean?

Plus-Sizing or Up-Stizing are two terms given to the practice of increasing the diameter of your tyres and wheels whilst simultaneously reducing the profile of your tyres to keep the overall rolling radius the same. Up-Sizing/Plus-Sizing will improve the handling of your car. Each step will reduce the proportion of flexible tyre 'sidewall' to rigid alloy. This will improve response, will help keep the tyre tread square to the road and will improve your car's 'feedback'. If done properly speedo and odometer accuracy will be retained and the car's sure to look better. Talk to one of our experts to find suitable up-sizing alternatives for your vehicle.


Services


What is Wheel Balancing?

A wheel which is not properly balanced may cause vibrations and can affect steering control. This balance is achieved by positioning weights on the wheel to counterbalance heavy spots on the tyre wheel assembly. Properly balanced tyres are important for driving comfort and long tyre life. Tyres should be balanced when they are mounted on the wheels for the first time or when they are removed for repair. Periodic balancing can extend tyre life.


What is Wheel Alignment?

A vehicle is said to be properly aligned when all suspension and steering components are sound and when the tyre, wheel assemblies are running straight. Proper alignment is necessary for even tread wear and precise steering. Uneven front/rear tyre wear or changes in your vehicle's handling or steering response (i.e. pulling to one side) can indicate misalignment. Wheel Alignment service for your vehicle is recommended every 3000 kms.


Is Nitrogen better than regular Air for Tyre inflation?

Yes. Nitrogen being inert, non-combustible and non-corrosive gas offers following significant advantages:

  • Nitrogen permeates the tyre significantly lower than the oxygen in the air.

  • It stays in the tyre for longer time resulting in tyre pressure staying constant for a longer time

  • Improves fuel economy

  • Reduces tyre oxidation and wheel corrosion

  • Reduces running temperatures of tyre resulting in extended tyre life


Is it possible to repair a Tubeless Tyre after puncture?

Depending on the extent of damage, it is possible to repair a tubeless tyre. Typically, for small sized punctures, it is possible to repair the damage. Please consult one of our experts for an unbiased evaluation


How often should I change oil in my car?

Most of the vehicle usage for average usage is based on frequent short trips, stop-and-go city traffic driving, driving in dusty conditions, and driving at sustained highway speeds during hot weather. For this type of driving, the recommendation is to change the oil every 5000 kms or six months. For maximum protection, most oil companies say to change the oil every 5,000 kms or three to six months regardless of what type of driving you do.

As vehicle accumulates more kms, more unburned fuel is dumped into the crankcase which dilutes the oil. This causes the oil to break down. So if the oil isn't changed often enough, you can end up with accelerated wear and all the engine problems that come with it (loss of performance and fuel economy, and increased emissions and oil consumption).

Regular oil changes for preventative maintenance are cheap insurance against engine wear, and will always save you money in the long run if you keep a car for more than three or four years. It's very uncommon to see an engine that has been well maintained with regular oil changes develop major bearing, ring, cam or valve problems under 150,000 kms.


How frequently should I change the Oil Filter for my car?

To reduce the costs of vehicle ownership and maintenance, many car makers say the oil filter only needs to be replaced at every other oil change.

The oil filters on most engines today have been downsized to save weight, cost and space. The "standard" quart-sized filter that was once common on most engines has been replaced by a pint-sized (or smaller) filter. You don't have to be a rocket scientist to figure out that a smaller filter has less total filtering capacity. Even so, the little filters should be adequate for a 5,000 km oil change intervals -- but may run out of capacity long before a second oil change.

Replacing the oil filter every time the oil is changed, therefore, is highly recommended.

An engine's main line of defense against abrasion and the premature wear it causes is the oil filter. The filter's job is to remove solid contaminants such as dirt, carbon and metal particles from the oil before they can damage bearing, journal and cylinder wall surfaces in the engine. The more dirt and other contaminants the filter can trap and hold, the better.


How frequently should I change Air Filter?

Regardless of the mileage or time, a filter should be replaced before it reaches the point where it creates a significant restriction to airflow. Eventually, every air filter reaches the point where it causes enough of a pressure drop to restrict airflow. Fuel economy, performance and emissions begin to deteriorate and get progressively worse until the dirty filter is replaced. It is recommended to replace your vehicle’s Air FIlter along with oil change.


Alloy Wheels


What is an Alloy Wheel?

Until recently, the wheels fitted by most manufacturers to their everyday cars have been "steel wheels" Steel wheels are more resilient to damage, and are considerably cheaper to fit. Unfortunately they are heavier, less attractive and smaller in both diameter and width than alloy wheels.

The term alloy wheels  is usually given to wheels 'cast' from a mixture of aluminum which is lightweight and great at dissipating heat and small amounts of more rigid metals whose presence in the 'mix' provides rigidity and helps prevent crack propagation


What are the benefits of fitting Alloy Wheels to my car?

In general, alloy wheels are lighter, more attractive, and better at dissipating brake heat that their steel counterparts. Fitting alloy wheels gives you improved steering feel and greater braking response.


What does PCD mean?

PCD stands for “Pitch Circle Diameter” and is the diameter of a circle drawn through the centre of your wheel's bolt holes. PCD is measured in millimeters and also indicates the number of studs or bolts the wheel will have.


What do you recommend for protecting alloy wheels?

Most original equipment aluminum wheels are clear coated for corrosion resistance. You can generally use any type of wax or sealer specially formulated for alloy wheels, or any product that is designed for a base coat, clear coat finish.

CAUTION: Do not use any wax or polish that contains abrasives on a clear coated wheel (chrome polish, rubbing compound, ordinary wax designed for ordinary painted finishes or that "restores faded paint". The abrasives in such products will scratch and dull the clear coat on the wheels.


What does Tyre & Wheel Up-Sizing/Plus-Sizing mean?

Plus-Sizing or Up-Stepping are two terms given to the practice of increasing the diameter of your tyres and wheels whilst simultaneously reducing the profile of your tyres to keep the overall rolling radius the same. Up-Sizing/Plus-Sizing will improve the handling of your car! Each step will reduce the proportion of flexible tyre 'sidewall' to rigid alloy. This will improve response, will help keep the tyre tread square to the road and will improve your car's 'feedback'. If done properly, speedo and odometer accuracy will be retained and the car is sure to look better. Talk to one of our experts to find suitable up-sizing alternatives for your vehicle.


What is the recommended way to clean Alloy Wheels?

Frequent washing with mildly soapy warm water is the best way to keep wheels clean. Never use abrasive cleansers, electric buffers or wire wool pads on your wheels. Where possible let your wheels cool thoroughly before cleaning them and avoid car-wash wheel-cleaners at all times.


Batteries


What are the general suggestions for Battery Maintenance?

The maintenance of auto battery involves periodic checking of the battery so that your car runs smoothly. Keep in mind the following for a longer hassle-free battery life:

  • Check Clamp: Make sure that the battery is firmly secured to the cradle and the cable clamps and lead wire contact is proper.

  • Avoid Grease: Keep the battery top clean and dry. Apply either petroleum jelly or Vaseline to cable clamps and terminals for proper lubrication. Never apply grease.

  • Use Distilled Water: Top up only with distilled water and maintain the level to the maximum level line. Never add acid.

  • Close Tightly: Keep the vent plugs closed tightly.

  • Check Vent: Ensure that the vent hose in the battery is not folded or damaged by the exhaust system.


How do I handle my vehicle’s battery?

It is extremely important to be cautious while handling a battery because it can cause several hazards. Some of the possible risks are mentioned below to direct motorists to handle car batteries with utmost care:

Battery Acid can cause burns: Be extremely careful while handling battery acid. If electrolyte is spilled on clothing or skin, wash with plain water and neutralise with a solution of baking soda and water. Electrolyte splashed into eyes can cause serious damage. In the event of such an accident, splash affected eye with clean and cold water for at least 5 minutes and seek medical attention.


Battery Explosion:Batteries generate explosive gases during vehicle operation and also when charged separately. Flames, sparks, burning cigarettes or other inflammable sources that may start a fire must be

kept away at all times.

Always shield eyes when working with batteries, as sparks, acid splurge etc. may hurt the eyes.

When charging batteries, work in a well-ventilated area - never in closed spaces. Always turn battery charger or ignition off before disconnecting a battery.



Accessories


When should I change wiper blades?

  • Examine the wipers for cracks. Old windshield wipers become hard and cracked over time, especially in hot, dry climates. If your wiper seems to have lost it's rubbery spring, it's probably time to replace it.

  • Pay attention next time it rains. If your wipers leave streaks of water across your windshield that aren't much easier to see through than pounding rain, their rubber has probably lost its grip.

How do I protect my car’s finish?

You can use “Wax” or “Sealers” for protecting your car finish. Both types of products will protect your paint against moisture, ozone and ultraviolet. Sealers, which are typically petroleum based and contain silicones, usually last much longer (up to a year or more) than ordinary wax. But the distinction between these two products is blurring because many waxes now contain silicone and other ingredients designed to extend protection. A wax or sealer that is applied by rubbing it on your car's finish will always give you better protection than a product that's sprayed on at a car wash. Car wash waxes give a nice temporary shine, but don't provide lasting protection.

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