Service bulletins for the 2021 Mazda CX-5
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
501 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Cooling system are shown. Show all
| SA-044-22 | 2022-07-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; ENGINE AND ENGINE COOLING. Some customers may complain about an unusual thumping / rattling noise coming from the engine compartment. The noise is most pronounced under the following conditions: - Engine at idle - Transmission in drive - Foot on the brake pedal - A/C OFF - Audio OFF The noise may be caused by loose fitting heater hoses vibrating the heater hose bracket protector. Page |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.