February 22, 2021 NHTSA CAMPAIGN NUMBER: 21V101000
A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.
NHTSA Campaign Number: 21V101
Manufacturer Mazda North American Operations
Components TIRES
Potential Number of Units Affected 599
Summary
Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.
Remedy
Mazda will notify owners, and dealers will replace all four tire air valves with new parts, free of charge. The recall is expected to begin April 23, 2021. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda’s number for this recall is 4721B.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Check if your Mazda has a Recall
REPAIR PROCEDURE
Recall Campaign 4721B
Safety Recall 4 7 21 B – 2021 Mazda3 & CX-30 Air May Leak Suddenly from Tire Valve Stem
A. VEHICLE INSPECTION PROCEDURE
Verify that the vehicle is within the following ranges:
CAUTION: THIS PROCEDURE IS INTERIM AS PARTS ARE NOT YET AVAILABLE TO REPLACE
| Models | Subject VIN range | Subject production date range |
| 2021MY CX-30 | 3MVDM**** MM-217514- 229817 | From September 25, 2020 through November 9, 2020 |
| 2021MY Mazda3 | 3MZBP**** MM 207935 – 207975 | From October 22, 2020 through October 23, 2020 |
The asterisk symbol “*” can be any letter or number.
Repair Flow Chart
Affected recall campaign 4721B
↓
Replace all Wheel Units for all wheels with new Unit.
↓
Perform WHEEL UN IT REGISTRATION.
↓
Repair complete
Warning: Damage to the Tire, Valve Stem or Wheel Rim due to improper installation will not be reimbursed by the warranty department. Please follow all warnings when replacing the Tire Valve Stems.
B: REPAIR PROCEDURE
1. Remove in the order indicated in the table.
| # | Description | Note |
| 1 | Valve cap | N/A |
| 2 | Tire | N/A |
| 3 | Wheel unit component | Tire Valve Stem (TPMS Unit) |
2. Remove the Tire – CAUTION: Do not damage the Wheel.
3. Remove the Tire Valve Stem (TPMS Unit) using a T-10 TORX Bit
4. Pull down the Wheel unit from valve stem. If needed use a standard TPMS Service Tool (available locally) and place a soft, scratch-resistant cloth on the wheel rim to prevent scratching/damage.
5. Remove the valve stem using a soft, scratch-free material between the tool and the wheel to prevent scratching/ damage.
6. Install Tire Valve Stem (TPMS Unit) – Quantity 4 – in the reverse order of removal.
7. Remove the valve cap.
8. Install the Wheel unit component to the valve stem. Flat side of the sensor must be facing the wheel.
Caution: DO NOT separate the valve and sensor unit. If removed, a new complete assembly will be needed (cannot claim under the recall)
9. Install the Tire Valve Stems (Quantity= 4). If needed use a standard TPMS Service Tool and place a soft, scratch-resistant cloth on the wheel rim.
10. Verify the installation by checking the Distance between the Valve stem base and ensure there is no Gap where the Tire Valve Stem attaches to the wheel Groove and
11. Re-install the tire to the rim. Refer to the Workshop manual for Tire Installation note if needed.
Caution: To avoid damage of Wheel unit component, refer the Workshop manual as necessary.
12. Re-fill the tire with air and install the tire valve stem cap
CAUTION
- A direct TPMS wheel unit has an exclusive valve cap. Always install the direct TPMS exclusive valve cap.
- The wheel unit air pressure stem is made of aluminum and can be damaged. Do not tilt or use excessive side force when checking the air pressure or filling a tire with air. Some tire pressure gauges and air filling nozzles have extended tips, which could bend or break the air pressure stem of the wheel unit due to the added force they can apply.
- Do not use a tire pressure gauge with an extended tip or air injector nozzle, because it will apply excessive force to the air pressure stem of the wheel unit.
WHEEL UNIT ID REGISTRATION
Note: After the wheel unit replacement, registration of the wheel unit identification codes must be performed. Please follow the steps below to perform the wheel unit registration.
Register the Wheel Unit ID according to the instructions on MGSS online: WHEEL UNIT ID REGISTRATION
1. Switch the ignition ON (engine off or on).
2. Switch the ignition off. Note: The TPMS warning light will illuminate and flash – this is normal until programming is complete.
3. Leave the vehicle with the ignition switched off for a minimum of 19 minutes.
4. Switch the ignition on and start the engine.
5. Drive the vehicle at a minimum speed of 16 mph (25 km/h) or more for a minimum of 3 minutes.
6. After driving for 3 minutes, verify that the TPMS warning light does not flash and is not illuminated.
7. Leave engine idling for an additional 5 minutes to prevent the low battery risk warning lamp from displaying on the IC cluster.
C. CAMPAIGN LABEL INSTALLATION:
1. Fill out a blue “Campaign Label” (9999-95-065A-06) with Campaign No: “4721B”, your dealer code, today’s date.
2. Affix it to the hood or bulkhead as shown:
3. Return the vehicle to customer.
END OF REPAIR PROCEDURE
2 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| MAZDA | CX-30 | 2021 |
| MAZDA | MAZDA3 | 2021 |
3 Associated Documents
Defect Notice 573 Report
RCLRPT-21V101-6905.pdf 219.066KB
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Open in new tab Recall Acknowledgement
RCAK-21V101-8809.pdf 783.442KB
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Remedy Instructions and TSB
RCRIT-21V101-6282.pdf 914.628KB
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Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V101&docType=RCL
For the most up to date documents from NHTSA for this Recall, click the lick above
- Size:Universal for cars.
- Material: Zinc Alloy Material.
- Easy Installation, Direct Replacement.
- MATERIAL: The valve cap is made of Zinc Alloy, which is corrosion resistant, durable. Quantity: 5pcs/package.
- TECHNOLOGY: Plate the surface to avoid metal oxidization, rusting and to improve corrosion resistance, wear resistance, texture and glossiness.
- Easy installation：With the Rubber Seals inside，the cap can replace the original bad valve cap of the tyre and also show the beauty characteristic of the tyre.
- FUNCTIONS: FIRST:Protecting the valve core , corrosion due to direct contact with clay, water and snow. SECOND:Preventing the flat tire and ensure stable tire pressure.THIRD: Ensure safe driving.
- 100% SATISFACTION GUARANTEE:Every product we sell goes through a rigorous test before we sell it to ensure quality.If you are not satisfied with our product for any reason, just contact us.Each product is backed with a one-year and 100% satisfaction.
- [Safe ]Our tire Valve Stem Caps has rubber rings.Preventing the flat tire and ensure stable tire pressure, ensure safe driving.
- [Functions] Protecting the valve core , corrosion due to direct contact with clay, water and snow.
- [Easy Installrion] Easy to Install or Remove without Any Tools, Everyone Can Screw Car Wheel Caps on Tire Valve Stem In Seconds!
- [Wide Compatibility] Standard 8V1 Thread Universal fit for Cars, SUVs, Trucks, Motorcycles.
- [Risk Free Purchase] Every product we sell goes through a rigorous test before we sell it to ensure quality.If you are not satisfied with our product for any reason, just contact us.
- ⑴Protecting the valve core from corrosion due to direct contact with clay,water and snow.⑵Preventing the flat tire and ensure stable tire pressure.⑶Replace the old bad valve cap of the tire to make the tire beautiful.
- Each valve cover is customized with the original valve size to ensure tightness and service stability.
- High quality zinc alloy, not easy to rust, not easy to fade, leak proof, gas dust proof, corrosion resistant and durable. Upgrade the class and beauty of your car. Be sure to try the lovely valve cap accessories.
- It's easy to install. Just screw off the plastic cover of the original car and replace it.
- You will receive a package containing 4 valve caps. If you need help, please contact us.
- Standard size, universal car valve stem caps for different cars (Schrader valve)
- Unique hex style design, fadeless and exquisite car logos, providing more fun
- Made of durable aluminum alloy, long service time
- Water-resistant and leakproof, better to protect car tires
- 4 pieces car stem caps in one pack
- Universal Tire Valve Stem Caps with Logo Emblem, Stainless steel (4pcs) Car Tire Valve Stem Air Caps Cover + (1pcs) Wrench Keychain for Car / Truck / Bicycle / Motorcycle Wheels Valve Stem (Black)
- Material: Stainless steel alloy material
- Waterproof design: Car Tire Valves Caps Built-in Waterproof Ring£¡
- Keychain design: Not only as keychain, it can be used as Wrench!
- Easy to install and remove by Keychain, Only caps onto tire valve stem,then screw.
- Standard size, universal car valve stem caps for different cars (Schrader valve)
- Unique big-head style design, fadeless and exquisite car logos, providing more fun
- Made of durable stainless steel, long service time
- Water-resistant and leakproof, better to protect car tires
- 4 pieces car stem caps in one pack
- Valve caps can protect the valve, prevent the water, dust or sand into the tire; preventing the valve from leaking, ensure the safe driving.
- Easy to install, 12pcs valve stem caps, it's can easily tightened use your hand. Beautiful appearance, fits vehicles of various colors.
- The valve cap is made of good quality and durable aluminum alloy, enhanced seal to help prevent air leakage.
- Universal size fits more cars, bus trucks, SUVs, motorcycle, bike or bicycle.
- Any issues or questions please feel free to contact us, we are always here to satisfy all of you.
Last update on 2021-05-14 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2021-05-14 / Affiliate links / Images from Amazon Product Advertising API
