{"nhtsa_id":635430,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-23","date":"2002-04-25","document_id":"98A","mfr_campaign":null,"replaces":"98","component":"EQUIPMENT","mfr_system":null,"summary":"THIS SERVICE BULLETIN PROVIDES UPDATED INSTRUCTIONS FOR INSTALLATION OF THE RE-BUILDABLE STEP CYLINDERS ALONG WITH SOME ADDITIONAL PARTS FOR IMPROVED CYLINDER PERFORMANCE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/635430","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PIERCE","model":"PIERCE","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":[]}