{"vehicle":{"brand":"Nissan","model":"Altima","segment":"Midsize sedan","modelYears":"2000-2026","sourcePriority":["Nissan USA Owner Manuals","NHTSA VIN Decoder API"],"priorityTier":"core","maintenanceHighlights":["engine oil","CVT fluid","spark plugs","engine coolant"]},"totalScheduleItems":0,"schedule":[],"parsedCoverage":{"totalRecords":11,"availableYears":[2020],"categories":["Chassis and wear items","Drivetrain and transmission","Filters and ignition","Fluids"]},"parsedRecords":[{"id":"2020-nissan-altima-engine-oil-and-filter-normal","brand":"Nissan","model":"Altima","year":2020,"engine":"2.5L I4","drivetrain":"FWD","itemId":"engine-oil-filter","action":"replace","condition":"normal","intervalMiles":10000,"intervalMonths":12,"intervalSource":"fixed","extractionMethod":"table-row","parserConfidence":"high","notes":"Nissan Altima engine oil and filter interval for standard driving conditions.","sourceName":"Nissan USA Maintenance 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poor combustion, and catalytic-converter stress."},"sourceTargetId":"2020-nissan-altima-spark-plugs","review":null},{"id":"2020-nissan-altima-engine-drive-belts-inspect","brand":"Nissan","model":"Altima","year":2020,"engine":"2.5L I4","drivetrain":"FWD","itemId":"drive-belt-inspection","action":"inspect","condition":"both","intervalMiles":10000,"intervalMonths":12,"intervalSource":"fixed","extractionMethod":"table-row","parserConfidence":"high","notes":"Nissan Altima drive belt inspection cadence from the official component page.","sourceName":"Nissan USA Maintenance Schedules","citationUrl":"https://www.nissanusa.com/maintenance-schedules/2020/altima/components/engine-drive-belts/?LocaleID=en_US&RegionID=1","evidenceSnippet":"2020 Nissan Altima Engine drive belts Service & Maintenance Guide Schedule Maintenance Schedule Maintenance 2020 Nissan Altima Engine drive belts Interval and Maintenance Guide Engine drive belts Service Intervals * Your Personalized Maintenance Schedule Your 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