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April 16, 2026 Service bulletin

This Service Alert supersedes the previously issued M-Tip(s) listed below

Mazda technical service bulletin SA-026-26 for 2016-2026 Mazda MAZDA3, 2016-2026 Mazda CX-5 and 2016-2021 Mazda MAZDA6 and others.

Bulletin number
SA-026-26
Component
Engine
Summary
This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/19 DESCRIPTION If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake manifold internally before installing a replacement engine assembly. If the intake manifold is not cleaned properly, the replacement engine may fail prematurely. Metallic debris from the old engine (with catastrophic internal mechanical failure) may rest inside the intake manifold. When the new engine assembly is installed, debris in the intake manifold will be ingested into the new engine and cause internal damage. Clean the intake manifold internally to remove any debris from old engine before installing the new replacement engine assembly. If the intake manifold cannot be properly cleaned internally, replace it.

Owners of these vehicles have filed 1,044 complaints in the engine category.

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