Stellantis 1.5 BlueHDi Engine Recall: Detailed BriefingDate: July 4, 2025 Source: "Stellantis: maxi-richiamo per oltre 600.000 diesel - alVolante.it"Executive SummaryStellantis has issued a large-scale recall affecting over 636,000 diesel vehicles produced between 2017 and 2023 across its Peugeot, Citroën, Opel, DS, and Fiat brands. The recall targets models equipped with the 1.5 BlueHDi engine due to a potential issue with premature wear of the camshaft timing chain. While no incidents or injuries have been reported, the defect could lead to abnormal engine operation, unusual noise, and in severe cases, chain breakage. Stellantis is prioritizing older vehicles, offering a software update, oil change, and potentially a preventive chain replacement based on acoustic analysis. A key aspect of the recall is an extended warranty of 10 years or up to 240,000 kilometers, covering the full repair cost, and the possibility of reimbursement for customers who have already paid for related repairs.Main Themes and Key Information1. Massive Recall Scope and Affected Vehicles:Scale: Stellantis is recalling approximately 636,000 units globally.Affected Brands: Peugeot, Citroën, Opel, DS, and Fiat.Production Years: Vehicles produced between 2017 and 2023.Engine: Specifically concerns the 1.5 BlueHDi diesel engine.Fiat Models Affected: While primarily associated with PSA brands, the article clarifies that Fiat commercial vehicles (Doblò, Scudo, etc.) are among those equipped with this engine.2. The Core Problem: Premature Timing Chain Wear:Nature of Defect: "potential problem related to the premature wear of the camshaft timing chain."Symptoms: This wear "could cause abnormal engine operation, accompanied by atypical noise and, in the most severe cases, the breakage of the chain itself."Current Impact: Stellantis emphasizes that "at present, no incidents or injuries attributable to the defect have been reported."Underlying Cause (User Commentary): Some users speculate on the cause, with Ricci1972 stating, "they put a 7 mm chain and now they have to go back to 8 mm, also changing the housing."3. Recall Procedure and Solutions:Action for Owners: Owners are advised to contact the assistance network to schedule a verification intervention.Initial Intervention: The process involves "software update and, if necessary, engine oil replacement."Diagnostic Tool: Stellantis has developed a specialized "application for authorized repairers, capable of diagnosing potential criticalities through acoustic analysis of the engine."Chain Replacement: If the system detects an anomaly, "preventive chain replacement will proceed at the official network."Phased Approach: The recall will be "gradual, prioritizing older vehicles, considered more at risk."

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