{"nhtsa_id":616372,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-02-23","date":"2000-11-01","document_id":"000601006A","mfr_campaign":null,"replaces":"000601006","component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"EXPERIENCING A TICK TYPE NOISE COMING FROM THE ENGINE WHILE THE ENGINE IS RUNNING DURING COLD OR HOT OPERATION. THE CONDITION WILL BE MOST NOTICEABLE ON VEHICLES THAT HAVE BEEN STORED FOR EXTENDED PERIODS OF TIME WITHOUT RUNNING THE ENGINE OR ON VEHICLES FOLLOWING A REPAIR TO THE VALVE LIFTERS AND CAMSHAFTS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/616372","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"TRACKER","year_from":1999,"year_to":2001,"match":"exact","vehicle_ids":["1999_chevrolet_tracker","2000_chevrolet_tracker","2001_chevrolet_tracker"]}],"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":[]}