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September 27, 2018 Service bulletin

Knocking noise from the rear coil spring and/or the vehicle body sits lower in the rear

Mazda technical service bulletin 02-015-18-3499 for 2014-2018 Mazda MAZDA3 and 2013-2018 Mazda CX-5.

Bulletin number
02-015-18-3499
Component
Structure
Summary
Some vehicles may exhibit a knocking noise from the rear coil spring and/or the vehicle body sits lower in the rear. These symptoms may be caused by a broken rear coil spring at its lower side. This is caused by corrosion from dust between the rear coil spring and the spring sheet, resulting in a broken rear coil spring. To eliminate this concern, the shape of the rear coil spring has been modified.

Owners of these vehicles have filed 133 complaints in the body category.

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