{"nhtsa_id":10029965,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-07-21","date":"2009-02-01","document_id":"SB-090522001A","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP","mfr_system":null,"summary":"CHEVROLET: HARD BRAKE PEDAL, EXTRA EFFORT NEEDED TO DEPRESS BRAKE PEDAL ON COLD START UP (ADD AUXILIARY VACUUM PUMP). *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10029965","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"HHR","year_from":2008,"year_to":2009,"match":"exact","vehicle_ids":["2008_chevrolet_hhr","2009_chevrolet_hhr"]}],"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":[]}