
Mazda · KF · 2017–2023
CX-5buyer's guide
10 known faults — inspection procedures and real repair costs.
The KF CX-5 is one of the better-built compact SUVs on the used market, but Skyactiv-G oil dilution and AWD-coupling vibration are the two faults that catch out unprepared buyers. This guide walks you through the field checks before you pay a deposit.
This guide covers ten documented issues: 6-speed automatic shudder and harsh shifting, coolant leaks (water pump, thermostat, hose joints), AWD transfer case and rear-coupling vibration on AWD trims, infotainment and reverse-camera electrical faults, suspension knocks and uneven tyre wear, brake corrosion and seized calipers, Skyactiv-G oil leaks and dilution patterns (especially the 2.5T), water leaks and accident-repair patterns, i-Activsense radar and camera calibration faults, and the full recall and campaign checklist. Each fault has a field check and a real repair-cost range.
A clean KF CX-5 punches well above its price for build quality and ride. A neglected one hides a rear-coupling rebuild and a Skyactiv-G with diluted oil. This guide makes the difference obvious in twenty minutes.
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