{"nhtsa_id":10101444,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-05-31","date":"2014-03-10","document_id":"Q366 UPS0514-2BN","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"\"SITUATION: AN ISSUE HAS BEEN IDENTIFIED WITH CERTAIN 2014 MODEL YEAR LR4, RANGE ROVER SPORT, AND RANGE ROVER VEHICLES WHERE THE CORRECT SPECIFICATION ENGINE OIL (5W-20) HAS BEEN WRONGLY MIXED WITH COLD-CLIMATE ENGINE OIL (0W-30). THIS INCORRECT MIXING MAY RESULT IN EMULSIFICATION OF THE ENGINE OIL, POTENTIALLY LEADING TO PERFORMANCE ISSUES WITH THE ENGINE LUBRICATION SYSTEMS. ACTION: RETAILERS ARE REQUIRED TO HOLD ALL AFFECTED VEHICLES WITHIN THE LISTED VIN RANGE THAT ARE IN THEIR CONTROL AND REFRAIN FROM RELEASING THE VEHICLES FOR NEW OR USED VEHICLE SALE PENDING COMPLETION OF THE REWORK ACTION DETAILED IN THIS TECHNICAL BULLETIN.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10101444","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"LR4","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_land-rover_lr4"]},{"make":"LAND ROVER","model":"RANGE ROVER","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_land-rover_range-rover"]},{"make":"LAND ROVER","model":"RANGE ROVER SPORT","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_land-rover_range-rover-sport"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}