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April 4, 2019 Service bulletin

On May 1, 2018, Japan produced vehicles starting using 17 mm hex lug nuts instead of 21 mm on the same...

Mazda technical service bulletin RF-18-02R2 for 2018 Mazda MAZDA3, 2018-2019 Mazda CX-5 and 2018-2019 Mazda MAZDA6 and others.

Bulletin number
RF-18-02R2
Component
Wheels: lugs/nuts/bolts/studs
Summary
On May 1, 2018, Japan produced vehicles starting using 17 mm hex lug nuts instead of 21 mm on the same size thread. When installing new lug nuts or the accessory Wheel Lock Set, make sure to use the appropriate part number for the vehicle you are working on.

Owners of these vehicles have filed 10 complaints in the wheels category.

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