{"nhtsa_id":630536,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-18","date":"2001-12-24","document_id":"01255","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:POWER ASSIST","mfr_system":null,"summary":"SOME LIGHTNING MODEL VEHICLES MAY EXHIBIT A REDUCED POWER ASSIST AFTER THE FIRST TWO OR THREE BRAKE APPLICATIONS DURING OPERATING IN FREEZING AMBIENT TEMPERATURES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/630536","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":1999,"year_to":2001,"match":"exact","vehicle_ids":["1999_ford_f-150","2000_ford_f-150","2001_ford_f-150"]}],"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":[]}