{"nhtsa_id":10201714,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-10-01","date":"2021-09-07","document_id":"S7597","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Inlet Valve Spring Replacement","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201714-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201714-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201714","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"ANTHEM (AN)","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_mack_anthem"]},{"make":"MACK","model":"GRANITE (GR)","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_mack_granite"]},{"make":"MACK","model":"PINNACLE (PI/PN)","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_mack_pinnacle"]}],"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":[]}