{"source":"nhtsa","country":"us","campaign":"91V043000","date":"1991-03-14","owner_notified":"1991-07-10","manufacturer":"PACCAR, INCORPORATED","component":"SERVICE BRAKES, AIR","summary":"AIR BRAKE SYSTEM WAS MODIFIED BY ADDING A LONGER AIR LINE BETWEEN THE ABS SOLENOID AND THE TRANSFER TEE TO SIMPLIFY MANUFACTURING. THIS MODIFICATION CAUSED THE TRUCKS TO BE IN NON-COMPLIANCE WITH FMVSS 121, BRAKE TIMING TEST.","consequence":"THE MISTIMED BRAKE AND ABS SYSTEM MAY CAUSE THE TRUCK TOFAIL THE STOPPING DISTANCE REQUIREMENT OF THE FMVSS, WHICH MAY LEAD TO ANACCIDENT.","remedy":"REMOVE THE EXTRA LENGTH OF AIR LINE AND INSTALL THE TRANSFER TEE AT THE ABS SOLENOID.","notes":"SYSTEM: AIR BRAKE SYSTEM AND ANTI-LOCK AIR BRAKES; FMVSS 121.VEHICLE DESCRIPTION: TRUCKS BUILT WITH AIRGLIDE 100 SUSPENSION AND BOSCH ABSBRAKE SYSTEM.","mfr_campaign":null,"part_number":null,"units":77,"completion":null,"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":1990,"make":"KENWORTH","model":"K100E","vehicle_id":"1990_kenworth_k-100e","match":"exact","built_from":"1989-08-01","built_to":"1991-01-01"},{"year":1991,"make":"KENWORTH","model":"K100E","vehicle_id":"1991_kenworth_k-100e","match":"exact","built_from":"1989-08-01","built_to":"1991-01-01"},{"year":1990,"make":"KENWORTH","model":"T400","vehicle_id":"1990_kenworth_t400","match":"exact","built_from":"1989-08-01","built_to":"1991-01-01"},{"year":1991,"make":"KENWORTH","model":"T400","vehicle_id":"1991_kenworth_t400","match":"exact","built_from":"1989-08-01","built_to":"1991-01-01"},{"year":1990,"make":"KENWORTH","model":"T600","vehicle_id":"1990_kenworth_t600","match":"exact","built_from":"1989-08-01","built_to":"1991-01-01"},{"year":1991,"make":"KENWORTH","model":"T600","vehicle_id":"1991_kenworth_t600","match":"exact","built_from":"1989-08-01","built_to":"1991-01-01"},{"year":1990,"make":"KENWORTH","model":"T800","vehicle_id":"1990_kenworth_t800","match":"exact","built_from":"1989-08-01","built_to":"1991-01-01"},{"year":1991,"make":"KENWORTH","model":"T800","vehicle_id":"1991_kenworth_t800","match":"exact","built_from":"1989-08-01","built_to":"1991-01-01"}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":[],"url":"https://open.wenmarpro.com/recalls/nhtsa/91V043000"}