{"nhtsa_id":10054635,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-02-11","date":"2014-01-01","document_id":"SIM-11-04-13","mfr_campaign":null,"replaces":"SIM-11-04-13-A","component":"ENGINE","mfr_system":null,"summary":"MINI: TENSIONER SPRING FORCE COULD BE TOO LOW AND SEVERITY OF WEAR CAN CAUSE RATTLING NOISE WHEN IDLING OR STARTING COLD ENGINE, AND TIMING CHAIN INTERNAL TOLERANCES IS NOT CONSISTENT. MODEL R55, R56, R57. NO YEARS LISTED. *PE UPDATED 3/14/14. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10054635","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MINI","model":"COOPER","year_from":2013,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"MINI","model":"COOPER CLUBMAN","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MINI","model":"COOPER CONVERTIBLE","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_mini_cooper-convertible"]}],"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":[]}