{"nhtsa_id":11036229,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-18","date":"2026-08-12","document_id":"LI01.20-P-080884","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Complaint Oil leaks found on M176 or M177 engines diagnosed to be from the cylinder head cover area Cause Unknown (under investigation) Remedy If oil leaks are found at left or right cylinder head cover area please collect the following information and open TIPS case. 1. Collect photos of the leak 2. Include close up and wide view photos to accurately represent the location 3. Include if the vehicle has a \"check oil level\" Light on in the cluster or fault codes 4. Check oil level as per WIS to verify level and calculate possible oil loss from the leak 5. Identify and communicate the severity of the leak and provide supporting documentation 6. 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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":[]}