{"nhtsa_id":10218571,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-22","date":"2021-08-12","document_id":"11-002-21","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; STRUCTURE","mfr_system":null,"summary":"Incorrect Exhaust Body Heat Shields This bulletin involves inspecting the front right, left and mid muffler center exhaust heat shields underneath the vehicle for rivets and possibly replacing the heat shields if no rivets are found. Some vehicles were built with incorrect exhaust body heat shields that did not have rivets.There will not be a customer symptom/condition for this issue.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10218571-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10218571-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218571","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee"]}],"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":[]}