{"nhtsa_id":620314,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-08-02","date":"2001-02-01","document_id":"323","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY","mfr_system":null,"summary":"GENERAL INFORMATION STATING THAT THE FRONT LEAF SPRING ASSEMBLIES ON SOME ACTERRA VEHICLES MAY SHOW SIGNS OF CRACKS AROUND THE CENTER HOLE OF THE SPRING. AFFECTED VEHICLES ARE THOSE EQUIPPED WITH FRONT SUSPENSION LEAF-AND-A-HALF TAPER LEAF SPRING ASSEMBLIES RATED AT 12,000 LBS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620314","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"COOPER","model":"DEAN ALPHA IV SEASON","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}