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Renault · Known Issues

2023 Renault Sandero Problems: 1 Known Issue

2023 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2023 Renault Sandero has 1 documented issue. None of the listed issues is rated critical; this is not a complete reliability assessment. Across all issues with published estimates, repair costs range from $60 to $250. DIY maintenance guides at au7o.io.

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All 1 Known Issue

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On the 2017-2023 Renault Sandero, the 1.0 SCe three-cylinder engine used in the Brazilian Sandero from the 2017 model year has a chronic oil leak at the plastic valve (tappet) cover. The cover's sealing degrades with heat cycles at low mileage — owners on Reclame Aqui describe it as a design defect — and oil seeps into the spark plug wells, soaking the spark plugs and the tips of the ignition coils. This causes misfires, rough running, and repeat fouling of new plugs and coils. Reclame Aqui complaints document leaks appearing on cars with as little as 20,000-30,000 km, sometimes recurring after dealer repair, and related seepage from the timing cover area on the side of the engine. Separately, Renault issued an official recall (service start September 2020) for 1.0-engined units produced July 2019 to January 2020 because a non-conforming oil feed orifice could starve the engine of lubrication, risking seizure or fire — affected owners should confirm completion at a dealer.

Common Symptoms

  • Oil seepage visible around the valve cover edges
  • Oil pooled in the spark plug wells when plugs are removed
  • Engine misfire or rough idle
  • Oil-fouled spark plugs and oily ignition coil tips
  • Burning oil smell from the engine bay

How to Fix

Replace or reseal the valve cover with an updated gasket/sealant, clean the spark plug wells, and replace oil-fouled spark plugs and any saturated ignition coils. Inspect the timing cover joint at the same time, as it is a secondary leak point on the same engine. The job is inexpensive at an independent shop; the main cost driver is replacement coils if oil has damaged them. For 2020-build cars, check the official Renault recall portal (renault.com.br/recall) for the open oil-feed-orifice lubrication recall, which is repaired free of charge.

Typical repair cost:$60 - $250

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Frequently Asked Questions

What are the most common Renault Sandero problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2023 Renault Sandero has 1 documented issue. The documented issue is: 1.0 SCe Valve Cover Oil Leak Soaking Spark Plug Wells and Coils. None are rated critical, but regular maintenance is recommended.

Is the Renault Sandero reliable?

The 2023 Renault Sandero has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Renault Sandero problems?

Repair costs for known Renault Sandero issues range from $60 to $250, 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 2017-2023 Renault Sandero 1.0 SCe Valve Cover Oil Leak Soaking Spark Plug Wells and Coils?

The 1.0 SCe three-cylinder engine used in the Brazilian Sandero from the 2017 model year has a chronic oil leak at the plastic valve (tappet) cover. The cover's sealing degrades with heat cycles at low mileage — owners on Reclame Aqui describe it as a design defect — and oil seep… Repairs typically run $60-$250. Severity: medium.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.