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 began April 6, 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
PARTS AND WARRANTY INFORMATION
Recall Campaign 4721B
CONDITION OF CONCERN
On certain subject vehicles, the wheel and tire assembly may be equipped with a tire air valve having damage to the air valve sealing surface. If the affected tire air valve is installed, it is possible that an inflated tire may result in either a slow or sudden loss of air. A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.
A warning lamp and warning messages in the Multi-Information Display may notify the driver of a reduction in tire pressure if this defect occurs.
Causal factor:
Certain previously-installed and removed tire air valves might be mixed with new parts at the supplier due to improper isolation procedure. The previously-installed and removed tire air valve may have a damage on the sealing surface.
OUTLINE OF REPAIR
The tire air valves on all four wheel and tire assemblies will be replaced with new ones. Please refer to the Repair Procedure document on MGSS for further details.
SUBJECT VEHICLES
Model | Subject VIN range | Subject production date range |
CX-30
built at MMVO |
3MVDM**** MM 217514- 229817 | From September 25, 2020 through November 9, 2020 |
Mazda3
built at MMVO |
3MZBP**** MM 207935 – 207975 | From October 22, 2020 and October 23, 2020 |
The asterisk symbol “*” can be any letter or number.
OWNER NOTIFICATION
Mazda will notify U.S. owners by first class mail no later than XXXX xx, 2021 .
PARTS INFORMATION
Description | Part Number | Quantity | Note |
Wheel Sensor
(Tire air valve with TPMS) |
BDGF-37-140 | 4 | |
Campaign Label | 9999-9 5-065A-06 | 1=50
labels |
Obtain in Mazda e-Store
(no charge) |
WARRANTY CLAIM PROCESSING INFORMATION
Replacement of Tire Air Valves | |
Process Number | AM009A |
Symptom Code | 99 |
Damage Code | 99 |
Causal Part Number | BDGF-37-140 |
Quantity | 4 pcs. |
Labor Operation | XXT23XRX |
Labor Hours | 1.3 hrs. |
Note: If the replacement of tire air valves is outsourced, please submit the actual cost incurred with the Sublet code “Z9”.
RENTAL CAR INFORMATION
Mazda recommends the usage of the MCVP loaner vehicle when available. If all MCVP loaner vehicles are in use and unavailable, and the customer needs a rental car, then use your local rental facility and offer a rental car. Be sure that every effort is made to repair the car within one business day or less, so the next customer can receive the same experience.
Rental Car Warranty Claim Information
MCVP Vehicle Preferred | Rental Agency Vehicle | |
Warranty Type Code | N/A
MCVP does not require claim submission |
A |
Symptom Code | 99 | |
Damage Code | 99 | |
Part Number Main Cause | 5555-47-21 BR | |
Part Quantity | 0 | |
Labor Ooeration Code | MM024XRX | |
Labor Hours | 0 | |
Sublet – Rental Car | ||
Sublet Invoice Number |
Number from Rental Invoice
or Dealer Purchase Order |
|
Sublet Type Code | Enter “Z9” (other) | |
Sublet Amount | Up to $30.00 per day for the number of days customer had rental car | |
Sublet Text | Number of days rental car was supplied to customer |
Rental expenses exceeding the two-day limit will require prior Warranty Department Authorization, as outlined in the Mazda Rental Car Reimbursement Program policy.
2 Affected Products
Vehicles
MAKE | MODEL | YEAR |
MAZDA | CX-30 | 2021 |
MAZDA | MAZDA3 | 2021 |
10 Associated Documents
Miscellaneous Document – PARTS AND WARRANTY INFORMATION Recall Campaign 4721B
RMISC-21V101-4989.pdf 676.488KB
Recall Quarterly Report #1, 2021-2
RCLQRT-21V101-5297.PDF 211.138KB
Defect Notice 573 Report
RCLRPT-21V101-6905.pdf 219.066KB
RCLRPT-21V101-6905
Recall Acknowledgement
RCAK-21V101-8809.pdf 783.442KB
RCAK-21V101-8809
Manufacturer Notices(to Dealers,etc)- Subject: Notification of Safety Recall 4721B – 2021 CX-30 & 2021 Mazda3 vehicles Air May Leak Suddenly from Tire Valve Stem (TPMS unit)
RCMN-21V101-2947.pdf 172.997KB
RCMN-21V101-2947
ISSUED Owner Notification Letter(Part 577)- Spanish Version
RCONL-21V101-2439.pdf 375.992KB
RCONL-21V101-2439
ISSUED Owner Notification Letter(Part 577)
RCONL-21V101-7773.pdf 681.392KB
Manufacturer Notices(to Dealers,etc)- Dealer Letter
RCMN-21V101-8598.pdf 524.303KB
RCMN-21V101-8598
Remedy Instructions and TSB
RCRIT-21V101-6282.pdf 914.628KB
RCRIT-21V101-6282
Recall Quarterly Report #3, 2021-4
RCLQRT-21V101-1698.PDF 211.316KB
RCLQRT-21V101-1698
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V101&docType=RCL
- 🚗 [ANTI-CORROSION DESIGN] These tire air stem caps are made of metal come with plastic liner which keep the caps from getting stuck from corrosion and chemical damage. Especially use in wet weather condition. Prolong the tires and valve stem's service life. Keep driving safe!
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- Design: Universal tire joint-our valve bar cover is universal, very suitable for any car, truck, bicycle, motorcycle, electric car, pickup and other vehicles.
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- Function: 1 Protect the valve core from corrosion due to direct contact with clay, water and snow. 2 Prevent tire air leakage and ensure stable tire pressure.
- Service: 100% satisfaction guaranteed, every product we sell will undergo rigorous Service: 100% satisfaction guaranteed, every product we sell will undergo rigorous testing before being sold to ensure quality. If you are not satisfied for any reason, please contact us, each product has a one-year warranty and 100% satisfaction!
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- Standard size, universal car valve stem caps for different cars (Schrader valve)
- Unique slim-waist style design, fadeless and exquisite car logos, providing more fun
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- Water-resistant and leakproof, better to protect car tires
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- Material: The valve cover is made of aluminum alloy, corrosion-resistant and durable. Quantity: 4pcs/package.
- Design: Universal tire joint-our valve bar cover is universal, very suitable for any car, truck, bicycle, motorcycle, electric car, pickup and other vehicles.
- Easy to install: only need to be screwed onto the tire valve bar by hand.
- Function: 1 Protect the valve core from corrosion due to direct contact with clay, water and snow. 2 Prevent tire air leakage and ensure stable tire pressure.
- Service: 100% satisfaction guaranteed, every product we sell will undergo rigorous Service: 100% satisfaction guaranteed, every product we sell will undergo rigorous testing before being sold to ensure quality. If you are not satisfied for any reason, please contact us, each product has a one-year warranty and 100% satisfaction!
- 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
- 🚗 [ANTI-CORROSION DESIGN] These tire air stem caps are made of metal come with plastic liner which keep the caps from getting stuck from corrosion and chemical damage. Especially use in wet weather condition. Prolong the tires and valve stem's service life. Keep driving safe!
- 🚗 [UNIVERSAL] These valve stem cap are American standard and will fit securely on most tire wheel air valve stem. Perfect for most Car, SUV, Pickup, Truck, Motorcycle, Bike, Bicycle and other motor vehicles.
- 🚗 [LUXURY DESIGN] The tire air valve stems covers are made of high grade & light-weight anodized metal with Logo Laser-Etched. Make your car a unique look and cool. Best gift for friends, boss, girlfriend, boyfriend, family members and etc.
- 🚗 [EASY TO INSTALL] - With the simple and smooth horizontal stripes design, the valve cap is easily to install and easily to grab and tighten, more convenient.
- 🚗 [GUARANTEE]️ We guarantee our valve stem caps are high quality and will look great on your vehicle. Please contact us freely if any questions.
- 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
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