What are the most common Mazda CX-9 problems?
According to Au7o's analysis of 3,250+ owner reports, the 2017 Mazda CX-9 has 4 documented issues. The most frequently reported are: Transfer Case Fluid Leak (AWD Models), Turbocharger Coolant Line Leak, Timing Chain Stretch and Rattle (2.5L Turbo SkyActiv). None are rated critical, but regular maintenance is recommended.
Is the Mazda CX-9 reliable?
The 2017 Mazda CX-9 has 4 known issues documented across 3,250+ owner reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mazda CX-9 problems?
Repair costs for known Mazda CX-9 issues range from $150 to $2,000, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2007-2023 Mazda CX-9 Transfer Case Fluid Leak (AWD Models)?
AWD-equipped CX-9 models develop fluid leaks from the power transfer unit (PTU) / transfer case. The output shaft seal and case halves are common leak points. Low fluid levels lead to increased wear, whining noises, and eventual transfer case failure. Fluid changes are not part o… Repairs typically run $150-$2,000. Severity: medium.
What is the 2016-2023 Mazda CX-9 Turbocharger Coolant Line Leak?
The 2.5L turbo engine in second-generation CX-9 develops coolant leaks from the turbocharger coolant supply and return lines. Heat cycling causes the connection points and hoses to deteriorate. Low coolant levels can lead to turbo damage and engine overheating if not caught early… Repairs typically run $200-$600. Severity: medium.
What is the 2016-2025 Mazda CX-9 Timing Chain Stretch and Rattle (2.5L Turbo SkyActiv)?
The second-generation CX-9 with the 2.5L turbocharged SkyActiv-G engine can develop timing chain stretch, producing a rattle or whine at startup that may persist for several seconds. Unlike the first-gen 3.7L V6 issue, the 2.5T chain stretch is typically less severe but still req… Repairs typically run $800-$2,000. Severity: medium.
What is the 2016-2023 Mazda CX-9 Power Liftgate Failure?
The power liftgate system fails to open, close, or hold position. Causes include liftgate strut motors wearing out, latch mechanism failure, and wiring harness damage in the rubber boot between body and liftgate. Cold weather exacerbates the issue as struts lose gas pressure. Repairs typically run $300-$900. Severity: low.
