Dacia Sandero 1.0 TCe timing chain noise early failure
Rattling noise from the engine on cold start on the Dacia Sandero with the 1.0 TCe three-cylinder turbocharged engine. The H4D/H4B engine family has a known timing chain tensioner sensitivity issue shared with Renault Clio models using the same engine. Regular oil changes every 10,000 km with 5W-40 fully synthetic oil are essential. If the noise persists beyond 10 seconds after a cold start, the chain tensioner requires inspection as a priority.
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