{"vehicle":{"id":"2002_western-star_4900","year":2002,"make":"Western Star","model":"4900"},"as_of":"2026-10-19","counts":{"count":144,"by_type":[{"id":"service_bulletin","name":"Service bulletin","count":144}],"components":[{"id":"equipment","name":"Equipment and accessories","count":55},{"id":"labels-manuals","name":"Labels and manuals","count":42},{"id":"fuel-system","name":"Fuel system","count":27},{"id":"engine","name":"Engine","count":26},{"id":"electrical","name":"Electrical system","count":25},{"id":"software","name":"Software","count":8},{"id":"powertrain","name":"Transmission and driveline","count":6},{"id":"structure-body","name":"Body and frame","count":5},{"id":"fuel-injector","name":"Fuel injection","count":3},{"id":"starter","name":"Starter","count":3},{"id":"suspension","name":"Suspension","count":3},{"id":"battery","name":"12-volt battery","count":2},{"id":"brakes","name":"Brakes","count":2},{"id":"cooling-system","name":"Cooling system","count":2},{"id":"fuel-pump","name":"Fuel pump","count":2},{"id":"fuel-tank","name":"Fuel tank","count":2},{"id":"radiator","name":"Radiator","count":2},{"id":"automatic-transmission","name":"Automatic transmission","count":1},{"id":"brake-pad","name":"Brake pads","count":1},{"id":"egr-valve","name":"EGR valve","count":1},{"id":"exhaust-emissions","name":"Exhaust and emissions","count":1},{"id":"fuel-filter","name":"Fuel filter","count":1},{"id":"visibility","name":"Glass, wipers and mirrors","count":1},{"id":"hvac","name":"Heating and air conditioning","count":1},{"id":"lighting","name":"Lighting","count":1},{"id":"steering","name":"Steering","count":1},{"id":"tie-rod","name":"Tie rods and steering linkage","count":1},{"id":"trailer-hitch","name":"Trailer hitch","count":1},{"id":"turbocharger","name":"Turbocharger or supercharger","count":1},{"id":"wheel-bearing","name":"Wheel bearing","count":1}],"codes":[],"topics":[]},"bulletins":[{"nhtsa_id":10195575,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-06-09","date":"2017-05-12","document_id":"SS1033094","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE (MAP) SENSOR","summary":"Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10195575-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10195575-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10195575"},{"nhtsa_id":10184788,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-12-30","date":"2020-12-17","document_id":"SBW35-018","mfr_campaign":null,"component":"POWER TRAIN","summary":"Western Star Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 11-14418-000). The new O-ring will provide better sealing and is reusable. It is quicker and easier to use compared to the paper gasket, because using a paper gasket requires cleaning the hub when the axle shaft is removed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10184788-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10184788-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10184788"},{"nhtsa_id":10170603,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-01-22","date":"2020-01-21","document_id":"20TS-01","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY","summary":"Technical Service Letter for DDC Series 60 engines concerning Series 60 Cylinder Head Resurfacing/Finish. Detroit Diesel does not recommend third party resurfacing of Series 60 cylinder heads (outside of Detroit and Detroit Reman).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170603-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170603-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10170603"},{"nhtsa_id":10163575,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-08-06","date":"2019-08-06","document_id":"sb54313","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Service Bulletin provided to customers regarding installation of a new MCM 21-pin jumper harness.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163575-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163575-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10163575"},{"nhtsa_id":10158111,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2018-11-19","document_id":"sbw0015","mfr_campaign":null,"component":"SUSPENSION","summary":"Service Bulletin Vibration and Harsh Ride Troubleshooting","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10158111-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10158111-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10158111"},{"nhtsa_id":10158025,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2017-06-17","document_id":"sbw0002","mfr_campaign":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","summary":"Technical Publications Ordering","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10158025-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10158025-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10158025"},{"nhtsa_id":10158021,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2017-06-17","document_id":"sbw5464","mfr_campaign":null,"component":"FUEL SYSTEM, DIESEL","summary":"Fuel Level Sending Unit Retrofit","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10158021-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10158021-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10158021"},{"nhtsa_id":10151512,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2018-07-23","document_id":"sbw0014","mfr_campaign":null,"component":"EQUIPMENT","summary":"Operating Hours for the Customer Assistance Center","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10151512-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10151512-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10151512"},{"nhtsa_id":10146308,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-29","date":"2018-05-01","document_id":"sbw31013","mfr_campaign":null,"component":"EQUIPMENT; TRAILER HITCHES:FIFTH WHEEL ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY","summary":"With the start of production on March 6, 2018, the fasteners used to attach the slide- and plate-mount style fifth wheels to the outboard angles changed to M16 metric bolts, nuts, and washers.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146308-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146308-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146308"},{"nhtsa_id":10146307,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-29","date":"2018-05-01","document_id":"sbw8329","mfr_campaign":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER; STRUCTURE:FRAME AND MEMBERS","summary":"In some operating conditions, water may leak into the cab onto the passenger floor through the HVAC fresh air intake on the frontwall on 47,00,4900, and 5700 models.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146307-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146307-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146307"},{"nhtsa_id":10146306,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-29","date":"2018-05-01","document_id":"sbw0005","mfr_campaign":null,"component":"EQUIPMENT:OTHER:LABELS","summary":"If a GVWR certification label is lost or damaged, Freightliner will supply a duplicate label. Log on to DTNAConnect.com and under \"DTNAConnect Resources\", select the \"Tool and Services\" plus sign. Select \"Request for Certification Labl or OWI.\" Fillout the form, then select \"Review.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146306-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146306-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146306"},{"nhtsa_id":10142301,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-25","date":"2015-01-01","document_id":"sbw2018","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY","summary":"sbw2018 Western Star 4800 and 4900 Radiator Mounting","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10142301-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10142301-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142301"},{"nhtsa_id":10142277,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-25","date":"2013-09-01","document_id":"33-4","mfr_campaign":null,"component":"POWER TRAIN","summary":"33-4- Bearing Spacer Replacement, ConMet PreSet Steer Hubs","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142277-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142277-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142277"},{"nhtsa_id":10142276,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-25","date":"2013-09-01","document_id":"35-11","mfr_campaign":null,"component":"POWER TRAIN","summary":"35-11 - Bearing Spacer Replacement, ConMet PreSet Drive Hubs","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142276-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142276-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142276"},{"nhtsa_id":10142079,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2013-04-01","document_id":"sbw0001","mfr_campaign":null,"component":"EQUIPMENT","summary":"sbw0001Validity List Western Star","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142079-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142079-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142079"},{"nhtsa_id":10142030,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2013-06-08","document_id":"608-13","mfr_campaign":null,"component":"FUEL SYSTEM, DIESEL; 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FUEL SYSTEM, GASOLINE","summary":"707-13 Description and Operation of the HC Doser Fuel Supply Pressure Control Valve - Two Filter System","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142015-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142015-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142015"},{"nhtsa_id":10142014,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2013-07-10","document_id":"710-13","mfr_campaign":null,"component":"FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE","summary":"710-13 Metal in the Fuel System - Three-Filter Fuel System","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142014-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142014-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142014"},{"nhtsa_id":10142013,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2013-07-12","document_id":"712-13","mfr_campaign":null,"component":"FUEL SYSTEM, DIESEL; 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FUEL SYSTEM, DIESEL","summary":"702-13 Test E Two-Filter Fuel System","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142011-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142011-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142011"},{"nhtsa_id":10142010,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2013-07-11","document_id":"711-13","mfr_campaign":null,"component":"ENGINE; ELECTRICAL SYSTEM","summary":"711-13 SPN 100-FMI 4 - ALL YEARS","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142010-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142010-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142010"},{"nhtsa_id":10142000,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2013-07-17","document_id":"717-13","mfr_campaign":null,"component":"EQUIPMENT; ENGINE; EQUIPMENT:MECHANICAL; EQUIPMENT ADAPTIVE/MOBILITY","summary":"717-13 Oil Pan","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142000-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142000-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142000"},{"nhtsa_id":10141990,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2013-07-01","document_id":"sbw5455","mfr_campaign":null,"component":"EQUIPMENT","summary":"sbw5455 Virtual Technician Retrofit","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10141990-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10141990-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10141990"}],"next_cursor":"2018-06-18_10141990","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":[]}