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NHTSA Campaign Number: 17V745
Manufacturer Mazda North American Operations
Components ENGINE AND ENGINE COOLING
Potential Number of Units Affected 144
Incorrect Valve Spring may cause Engine Stall
An engine stall can increase the risk of a crash.
Summary
Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3 vehicles, equipped with an incorrect exhaust valve spring. The incorrect exhaust valve spring may fail while driving, potentially causing an engine stall.
Remedy
Mazda will notify owners, and dealers will inspect the engines and replace any incorrect exhaust valve springs, free of charge. The recall is expected to begin January 20, 2018. Owners may contact Mazda customer service at 1-800-222-5500. Mazda’s number for this recall is 1717K.
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
November 22, 2017
Attention: Mazda General Managers, Parts and Service Managers
Subject: 2018 Mazda3 Exhaust Valve Spring Concern Safety Recall 1717K
On November 22, 2017, Mazda Motor Corporation decided to conduct a Safety Recall Campaign to address a concern with 2018 Mexico Built Mazda3 vehicles equipped with a 2.0L engine.
Concern Outline:
Certain subject vehicles may be equipped with cylinder head exhaust valve spring(s) with an incorrect specification. The incorrect spring is smaller than specified part. If the vehicle is used with the wrong valve spring(s), the valve spring(s) may break, and in the worst case could result in an engine stall.
There are a total of 144 vehicles involved in this campaign, and the number of affected exhaust valve springs is only 6.
Affected Vehicles:
| Model | Subject VIN range | Subject build date range |
| 2018 MY Mazda3 equipped with a 2.0L engine | 3MZ BN**** JM 178705 – 181283 | From October 6, 2017 through October 13, 2017 |
Action Required:
Beginning today, some 2018 Mazda3 vehicles equipped with a 2.0L engine must not be delivered to customers until the recall inspection and/or repair is completed. The inspection procedure will be posted on MGSS today. It is expected that almost all vehicles will only require an inspection. There are only 144 vehicles affected by this recall.
Use MGSS to pull your affected vehicle list. eMDCS should display this recall by on or before Monday 11/27/2017. Any affected vehicle will display 1717K in “Not Launched” status. “Not Launched” means that customer notification has not gone out, but the inspection and repair can still be performed and the recall closed. Once the inspection/repair is completed, the vehicle can be delivered.
Customer Notification:
All Mazda owners of affected vehicles will be notified by January 20, 2018.
Important Safety Notice: The National Traffic and Motor Vehicle Safety Act prohibits the delivery of any subject vehicle without performing the necessary repair for defects or failures. Failure to perform applicable recalls before delivery can result in extensive dealer fines and penalties from the Federal Government. Therefore, you must complete this recall for all affected vehicles in your inventory prior to delivery.
Additional details, including customer notification, parts and warranty information, and repair instructions, will be provided as soon as they are available on MGSS for your reference.
We apologize for any inconvenience this recall may cause your dealership and your customers.
Your understanding and support in carrying out this safety recall are greatly appreciated.
Because Driving Matters, Safety Matters. Your safety is important to Mazda.
Mazda Technical Services
https://static.nhtsa.gov/odi/rcl/2017/RCRIT-17V745-0577.pdf
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PARTS AND WARRANTY INFORMATION
https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V745-4399.pdf
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November 22, 2017
https://static.nhtsa.gov/odi/rcl/2017/RCMN-17V745-9611.pdf
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December 11, 2017
https://static.nhtsa.gov/odi/rcl/2017/RCAK-17V745-2900.pdf
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