Emergency flat tire repair kit

Consumer Reports Analysts Recommend Which Flat Tire Sealants Actually Work

Statistics show that on average every driver will experience up to 5 flat tires in their lifetime. To make matters worse for when you do have a flat tire, you just might discover that that new car you bought recently does not come with a spare tire. In fact, Torque News writer John Goreham recently posted how that vehicle makers are stealing the spares from EV owners.

The reasons for lack of a spare tire range from they weigh too much for the newer EV vehicles where range anxiety is a concern of green car enthusiasts, to unsubstantiated claims that today the chances of ever having a flat are too remote to justify the continued practice of providing all vehicles with even a smaller temp spare for emergencies. Codswallop!

According to multiple sources listed about flat tires, in the United States alone, approximately 7 tire punctures occur every second, resulting in 220 million flat tires per year.

Your Options For a Flat Tire Problem

So how can you prepare yourself for those times you will have a flat, but your car did not come with a spare tire? You basically have 4 options:

1. Buy your own spare from a company that deals in spares designed for your model of car.

2. Outfit your car with tires designed to run even when flat so that you can make it to a service station or tire center for repair or replacement.

3. Buy into a roadside assistance program that will send a service truck to your vehicle that will either repair the flat on the spot or provide a spare tire.

4. DIY with a flat tire sealant that will keep your tire adequately inflated until you can make it to a tire service center.

In this article we will look at option number four.

What Consumer Reports Has to Say About Flat Tire Sealants

Sealant Kits

Sealant kits are designed for flat tires that result from a puncture wound to the tire such as running over a nail or some other relatively small and narrow sharp object. If the damage is much bigger than that such as a crack or larger hole, sealant kits don’t work.

Typical sealant kits most motorists think of consist of just a pressurized can containing a gooey sealant that can temporarily seal a hole as the pressure within the can partially inflates the tire and forces the sealant into the puncture. However, other kits are more involved and include a small compressor for inflating the tire fully. As such, compressor kits are the more expensive option running anywhere between $24 to $80, whereas a pressurized can of sealant usually runs between $7 and $20.

There is also a third type of sealant system that consists of a liquid sealant squirted by hand through the valve stem of a flat tire and then inflated with a compressor; however the compressor is not included. The price range of a bottle of this type of sealant runs between $9 to $14.

Cons of Sealants Regardless of Repair Kit Type

• They are messy and can add to the cost when the tire is eventually repaired.
• Sealants can gum-up your tire pressure monitoring system.
• Limited to puncture holes 6mm or less is diameter.
• Might not work if multiple holes are involved.
• Limited distance of travel after sealing.
• Have to drive relatively slowly after sealing.
• May have a limited shelf life.
• Pressurized cans of sealant are at risk of exploding in a hot car.

Despite the cons of sealants, Consumer Reports recommends that choices that include a compressor are the ones more likely to result in success. Depending on how bad the leak is and how well (or not) it seals the hole, repeated use of a compressor can help you limp your way back home or to help.

Flat Tire Repair Testing Procedures

Tests were done using brand new tires with both 2.4 mm and 5.8 mm diameter nails welded to a flat metal plate with the car lowered by a lift so as to puncture all tires equally. After the punctured tires became flat, the sealant and sealant kits were used separately, with the tires inflated to 35 pounds of pressure and driven a short distance to ensure the insides of the tires were adequately coated with the sealant.

If there was no loss of air pressure, the tires were then put on the road for 50 miles, parked overnight, and the tire pressure rechecked the next day.

Tire Sealant Product and Kit Reviews

Pressurized Can Sealants

Super Tech Tire Sealant & Inflator ($7 at Walmart) ---available from Walmart and the least expensive product tested, the analysts from CR found that this one did not work---even with the smallest puncture of 2.4 mm. Similar to the Fix-a-Flat product, a compressor was needed to top off the tire pressure to the car’s recommended pressure. But, because of its poor test performance, the analysts recommend considering any of the other products evaluated over this bargain-priced sealant.

Fix-a-Flat ($8 to $20 at Walmart, AutoZone, Amazon, Home Depot, Target and Fix-a-Flat)---in spite of being a common name in pressurized-can sealants, it’s tested performance is quite poor, which greatly offsets the convenience of being the among the easiest to use. According to CR, “Fix-a-Flat was able to seal the smaller 2.4-mm puncture with a minor loss of pressure in a 24-hour period. However, it could not seal the 5.8-mm puncture, and it could not inflate the tire without topping off with a compressor.” Another mark against it is that if you drive a truck or SUV you will have to buy the more expensive larger can size.

Liquid Tire Sealants

Slime Tire Sealant Thru-Core Technology ($9 to $14 found at Ace Hardware, AutoZone and Walmart) --- Like the Fix-a-Flat pressurized can, this non-pressurized sealant was able to seal a 2.4 mm hole, but it failed on the 5.8 mm puncture. Plus, it requires a portable tire inflator, making the Fix-a-Flat pressurized can a better (but tire pressure limiting) inexpensive solution.

Tire Sealant Kits (Compressor Containing)

airMan ResQ Pro + ($80 found at Grainger)---a kit that has the compressor doing the hard part for you by feeding the sealant directly into the tire, this kit was found to easily seal the large 5. 8-mm puncture with the added plus that it inflated flat tires quicker than the other products tested. A no-assembly, easy-to-use, self-contained and complete kit, this was the favorite among the analysts.

airMan ResQ Tire Repair Kit ($55 at Amazon)---this little brother to the airMan ResQ Pro + has similar performance to its bigger brother, but it requires assembly of the sealant container to the compressor as well as disassembly afterward. The opinion of the analysts is that spending the extra $25 makes the Pro+ a better choice of the two.

Slime Smart Spair Emergency Flat Tire Repair Kit ($24 to $40 found at Walmart, Amazon, Ace Hardware, Advance Auto Parts, Sportsman’s Warehouse and Slime)---this is a less-expensive compressor kit that was successful in sealing a large 5.8-mm puncture with ease. However, the sealant is not self-feeding via the compressor and thereby requires removing the valve stem and then squirting the sealant into the flat tire by hand. Being more cumbersome to use than the two aforementioned airMan products, the analysts did not view the cost savings worth the added bother.

Slime Flat Tire Repair Kit Digital Series ($35 to $55 found at Walmart, AutoZone and Amazon)---although containing a built-in pressure gauge and feeding the sealant into the tire via the compressor like the airMan kits, the analysts reported mixed reviews of its performance: it would seal both 2.4 mm and 5.8 mm punctures---but not always, and air loss after sealing was not the best. They determined that either of the two previously listed airMan products would be their preferred choice over this tire repair kit product .

Final Determination

The analysts recommend kits containing a compressor over just sealants in either bottle form or pressurized cans. They observed that:

• Tire sealant kits were far superior to pressurized-can sealants.

• The kits were able to seal a larger puncture and included a compressor to inflate the flat tire to the recommended tire pressure.

• Pressured cans of sealant will not inflate tires adequately enough for safe road travel.

• With the exception of the Super Tech Tire Sealant, both the Fix-a-Flat and the Slime Tire Sealant do seal at least the smaller of the puncture holes, but without a compressor handy (and because of the cons listed with pressurized can products) they are not recommended by the analysts of Consumer Reports.

Be sure to watch for additional future articles about saving on car repairs and tire repair and used car savings recommended from consumer testing services, as well as some DIY tips on fixing your car.

Coming Up Next: Consumer Reports Goes After Tesla and Beta 9 FSD.

Timothy Boyer is Torque News Tesla and EV reporter based in Cincinnati. Experienced with early car restorations, he regularly restores older vehicles with engine modifications for improved performance. Follow Tim on Twitter at @TimBoyerWrites for daily Tesla and electric vehicle news.

Photo by Kenan Reed on Unsplash

Slime 50122 Emergency Flat Tire Repair Kit

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Actions in case of damage to the wheel tire Nissan Leaf | Nissan Leaf

4. What to do if a wheel tire is damaged

This vehicle is equipped with a tire pressure monitoring system (TPMS). This system monitors the pressure in all tires. If the warning light comes on and the message “CHECK TIRE PRESSURE” appears on the LCD, it means that at least one of the wheel tires is flat. If the vehicle is driven with a flat tire, the TPMS system will activate, warning the driver of low tire pressure with a low tire pressure indicator on the instrument panel. This system is only activated when the vehicle is moving at speeds above 25 km/h.

If the low tire pressure warning light comes on while driving, slow down the vehicle and pull off the road to a safe place as soon as possible, avoiding active steering or heavy braking, then stop. Driving with a flat tire can cause permanent tire damage or increase tire damage. In addition, it can cause serious damage to the car due to an accident, as well as injuries of varying severity. Check the pressure in all four tires. To turn off the warning light, adjust the tire pressure to the recommended COLD tire pressure indicated on the vehicle information tag. If the light stays on after adjusting the pressure, the tire is damaged. You need to make repairs as described below.
If a wheel is replaced, the TPMS will not work and the low tire pressure warning light will flash for approximately one minute, after which it will remain on. Contact your Nissan dealership as soon as possible for a wheel replacement and/or system reset.
Replacing tires with ones that do not match the original ones may cause the TPMS system to malfunction.
Do not inject sealant liquids or aerosols into the tire as this may cause the pressure sensor to malfunction.
When using the emergency tire repair kit to repair minor punctures, contact your Nissan dealership to replace the TPMS sensor in addition to repairing or replacing the tire.
Nissan recommends using only Genuine Nissan Emergency Tire Repair Sealant supplied with the vehicle. Any other type of sealant can damage the tire valve seals, resulting in a loss of air pressure.

After using the emergency tire repair kit to repair minor punctures, do not drive at speeds above 80 km/h.
Immediately after repairing a minor tire puncture, take the vehicle to a Nissan dealership to have the tire checked and repaired or replaced. The emergency tire repair kit does not permanently seal a damaged tire. Continued operation of the vehicle without thorough repair of the damaged tire may result in an accident.
When using the emergency tire repair kit to repair minor punctures, contact your Nissan dealership to replace the TPMS sensor in addition to repairing or replacing the tire.
Nissan recommends using only Genuine Nissan Emergency Tire Repair Sealant supplied with the vehicle. Any other type of sealant can damage the tire valve seals, resulting in a loss of air pressure.

This vehicle is not equipped with a spare wheel. Instead, it comes with an emergency tire repair kit. This kit can be used to temporarily repair minor tire damage.

If possible, it is preferable to use a tow truck to transport the vehicle to a location where full repair and replacement of a flat tire can be carried out. Using the emergency tire repair kit may cause the tire pressure sensor to malfunction and cause the low tire pressure warning light to illuminate on the instrument panel.

In the event of tire damage, follow the instructions below.

To prevent damage to the emergency tire repair kit during storage or use:
- Use the emergency tire repair kit for your vehicle only. Do not use the kit for other vehicles.
- Use the kit only to inflate your vehicle's tires and check tire pressure.
- Connect the compressor to the 12 V DC power socket of the car's electrical system.
- Keep the tire repair kit away from water or dirt.
- Do not disassemble or modify the tire repair kit.
- Do not drop or hit the tire repair kit.
Do not use the emergency tire repair kit in the following situations (contact your I/Evan dealership or recovery service):
- If the sealant is out of date (see the label on the sealant bottle).
- If the cut or puncture in the tire is approximately 6 mm or more.
- If the sidewall of the tire is damaged.
- If the car continued to move on a flat tire for a long time.
- If the tire has been stripped from the rim on the inside or outside.
- If the rim is damaged.
- If two or more tires are damaged.

1. Drive the vehicle carefully away from the road.

2. Switch on the hazard warning lights.

3. Stop the vehicle on level ground and apply the parking brake.

4. Move the "P" position switch on the selector lever to the park position.

5. Switch off the motor of the electric vehicle.

6. Raise the hood to alert other road users and roadside assistance personnel to your location.

7. Get the passengers out of the car and make sure they are all in a safe place away from the road and the car.

Make sure the parking brake is properly applied and the vehicle transmission is in park mode.
Do not repair a tire while the vehicle is on a sloping, icy or slippery surface. Is it dangerous!
Do not repair the tire if it was not possible to position the car at a sufficient distance from passing traffic. Wait for the arrival of roadside assistance.

Remove the emergency tire repair kit from the side compartment in the luggage compartment.

The emergency tire repair kit consists of the following components:

1. A bottle of tire sealant.

2. Air compressor.

3. Speed ​​limit sticker.

If any foreign object (such as a screw or nail) is stuck in the tire, do not remove it.

Check the expiration date of the sealant (found on the tag on the sealant bottle). Do not use expired sealant!

Observe the following precautions when using tire repair sealant.
- Swallowing sealant is dangerous. If this happens, drink plenty of water immediately and seek medical attention as soon as possible.
- If sealant comes into contact with skin or eyes, rinse affected area with running water. If irritation occurs, seek medical attention.
Keep sealant out of reach of children.
The sealant from the tire repair kit may cause a tire pressure sensor to malfunction, causing the low tire pressure indicator on the dashboard to light up. The tire pressure sensor should be replaced as soon as possible.

When repairing, do not remove the nail or screw that has penetrated the tire.

1. Open the air compressor cover and remove the speed limit sticker, then place it in the driver's field of vision to remind the vehicle of the speed limit with the repaired tire repair kit.

Do not place a speed limit sticker on the steering wheel or instrument cluster.

2. Remove hose (1) and plug (2) from the air compressor. Remove the container holder cover from the air compressor.

3. Remove the sealant bottle cap. Screw the container onto the air compressor holder. (Do not remove the canister seal. When the canister is screwed on, the seal will break properly.)

4. Remove the cap from the flat tire valve.

5. Remove the protective cap (A) from the hose and screw the hose securely onto the tire valve. Make sure the pressure relief valve (B) is securely tightened. Make sure the air compressor switch is in the off (O) position, then insert the plug into the car socket.

6. Turn the electric vehicle's power switch to the "ACC" position. Then turn the air compressor switch to the on (“-”) position and inflate the tire to the pressure indicated on the information tag located on the B-pillar on the driver's side, or if this is not possible, to at least 180 kPa. Switch off the air compressor briefly to check the tire pressure with a pressure gauge. If the tire is inflated to a higher pressure than necessary, bleed the air using the pressure relief valve.

The air compressor pressure gauge can show a pressure of 600 kPa for about 30 seconds from the moment the tire is inflated. The pressure gauge displays the pressure inside the sealant container. After the sealant is injected into the tire, the pressure on the gauge will decrease and the actual tire pressure will be displayed.
To avoid personal injury when using the tire repair kit:
- Tighten the compressor hose securely to the tire valve. Failure to do so may result in the sealant spraying into the air and contacting the eyes or skin.
- Do not stand directly next to a damaged tire during inflation, as there is a risk of bursting. If any cracks or bulges appear, turn off the compressor immediately.

If the tire pressure fails to inflate to 180 kPa within 10 minutes, the tire is badly damaged and cannot be repaired with a repair kit. Contact a Nissan dealer for assistance.

7. When the desired pressure is reached, switch off the compressor. If the tire cannot be inflated to the required pressure, the air compressor can be switched off when the minimum pressure of 180 kPa is reached. Remove the plug from the power outlet and quickly remove the hose from the wheel valve. Install the protective cap and valve cap. Properly fold the tire repair kit back into the luggage compartment.

To avoid personal injury, leave the sealant bottle screwed onto the compressor when installing the tire repair kit. Failure to do so may cause the sealant to spray into the air and come into contact with the eyes or skin.

8. Drive immediately for 10 minutes or 3 km at speeds up to 80 km/h.

9. After driving, make sure the air compressor switch is in the off position, then screw the hose securely onto the wheel valve. Check tire pressure with a compressor. A temporary tire repair can be considered complete if the tire pressure does not drop. Adjust the tire pressure to normal (the pressure value is indicated on the information tag located on the B-pillar on the driver's side).

10. If the tire pressure has dropped, repeat steps 5-9. If the tire pressure drops again or stays below 130 kPa, the tire cannot be repaired with the repair kit. Contact a Nissan dealer for assistance.

Sealant bottle and hose cannot be reused to repair another punctured tire. You need to go to a Nissan dealership to have them replaced.

At the earliest opportunity, take your tire to a Nissan dealer for repair/replacement.

After using the emergency kit to repair a minor puncture, do not exceed a speed of 80 km/h.
Immediately after repairing a puncture, take the tire to a Nissan dealership to have the tire repaired or replaced as soon as possible. The emergency tire repair kit does not permanently seal a punctured tire. Continued operation of the vehicle without overhauling the tire may cause an accident.
Do not inject sealant liquids or aerosols into the tire as this may cause the pressure sensor to malfunction.
When using the emergency tire repair kit to repair minor punctures, contact your Nissan dealership to replace the TPMS sensor in addition to repairing or replacing the tire.
Nissan recommends using only Genuine Nissan Emergency Tire Repair Sealant supplied with the vehicle. Any other type of sealant can damage the tire valve seals, resulting in a loss of air pressure.

How to fix a flat tire? Ways to eliminate tire punctures for a car


Despite the objective importance of the spare tire, not all drivers always have it with them. Some do not carry a spare tire out of hope or belief that their tires are invulnerable. Others deliberately take this step, as they stocked up with a special tool in advance, which, if necessary, can eliminate a tire puncture along the way. What else can be used and how to do it right? Let's figure it out.

Contents :

  1. Tire puncture repair
  2. Popular products that can effectively eliminate tire punctures

Tire puncture repair

Conventionally, all methods for express tire repair can be divided into two categories:

  • long-term repair, which involves the full operation of the retread;
  • a short-term solution that allows you to drive to the nearest tire shop.

Consider ways to restore a damaged tire on the road. The first three methods are temporary. The latter, with the right approach, allows you to completely restore the tire.

  1. Preventive measures (i.e. preventive). A special sealing compound is pumped into all four undamaged tires. While driving, it is inside the wheel in liquid form. If the tire suddenly loses its tightness, then this composition, leaving together with the air, clogs the slot in a few seconds. This method is relevant if you have a long trip under time constraints.
  2. Foam repair is an easy and popular way to repair tire punctures. First, the damaged area is localized, if necessary, a foreign object is removed. Sealants are supplied in containers with a nozzle that is screwed onto the tire valve. The contents of the balloon are completely blown into the tire. As a rule, this procedure takes 1-2 minutes. By the time the canister "expirs", the damaged area has time to seal. In addition, small diameter wheels (up to R14) are almost completely inflated due to the contents of the cylinder. Immediately after use, it is recommended to drive 300-500 m so that the sealant is evenly distributed over the entire surface of the tire and does not cause imbalance.

  1. Short-term repair with a self-tapping screw. The old grandfather method is applicable if the puncture has a small diameter, and there is no foreign object left in the tire body. A simple screw or self-tapping screw (preferably larger in diameter than the size of the puncture) is taken and screwed into a hole on the surface of the tire. The self-tapping screw can be borrowed from the fender liner or plastic interior elements. This method will not eliminate the air leak, but will allow the car owner (perhaps with several swaps) to get to the nearest tire service.
  2. Using a special tire repair kit. Today, the so-called first-aid kits for tires are especially popular. They include the following components:
    • awl with abrasive edges;
    • special eyelet awl with split tip;
    • raw rubber;
    • raw rubber activator.

After removing the foreign object, the hole is processed with an awl with abrasive edges: this tool must be inserted into the puncture and cleaned and developed with intensive reciprocating movements several times. Then the raw rubber tow is removed from the package and inserted into the eye of the second awl so that both ends are the same length. The hole in the tire and the raw rubber is treated with an activator. Next, the awl is inserted into the puncture in such a way that small ends of the tourniquet, about a centimeter long, remain outside. After 5 minutes, the excess remaining on the surface is cut off. This method can also successfully eliminate small side cuts.

There is a technique that allows using wire and several bundles of raw rubber to get rid of even extensive side damage to tires. However, it is quite difficult to implement and not every driver will be able to implement it.

Popular products that can effectively repair tire punctures

Consider a few well-known tools that are most widely used to repair punctures:

  1. Hi-Gear Gold Tire Doctor Emergency Sealant. Supplied in a convenient bottle with a hose and a tip for connecting to a tire valve. It works in the same way as most sealants: the container is thoroughly shaken, after that a hose is attached, and the contents from the container are completely pumped into the tire. The maximum diameter of the repaired hole is 4.5 mm. This is almost always enough to repair punctures caused by nails and screws.

  1. Hi-Gear Tire Doctor. Belongs to the category of preventive means. Sold in various containers. The volume is selected depending on the diameter of the wheel. The composition is poured into an undamaged flat tire, after which the wheel is inflated to working pressure and is operated without any reservations. Hi-Gear Tire Doctor is able to successfully close 8-10 punctures up to 6 mm in diameter.
  2. Tubeless Tire Repair Kit Done Deal. Includes a standard set of two awls, several strips of raw rubber and an activator. The effectiveness of this tool has been repeatedly confirmed in practice.

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