{"nhtsa_id":10080842,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-09-22","date":"2014-09-25","document_id":"G-200971","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"14076C - SERVICE UPDATE (REVISED PART INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO PERFORM A TEST PROCEDURE ON CERTAIN VEHICLES, EQUIPPED WITH A 1.2L ENGINE (LL0). IF THE VEHICLE DOES NOT PASS THE TEST PROCEDURE, DEALERS ARE TO REPLACE THE FOUR PISTON ASSEMBLIES. SOME CUSTOMERS HAVE COMMENTED ABOUT ENGINE KNOCK/TICK/RATTLE, SLUGGISH PERFORMANCE, AND POOR SHIFTS; HOWEVER, THE VEHICLE REMAINS OPERABLE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10080842","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SPARK","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_chevrolet_spark"]}],"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":[]}