2002 WESTERN STAR 4800 TSBs (5)

Bulletin:: SB-49-12
Component:: 061200 engine and engine cooling:engine:diesel
Summary:: Western star: around the diesel exhaust fluid (def) an excessive amount of crystal or powder built up indicates a leak caused by evaporation of def exposed to air and/or dampness. *pe
Bulletin:: WSB-42-6
Component:: 044000 service brakes, air:drum
Summary:: Western star: when applying the brakes, some trucks will experience severe shaking or shimmying. models constellation, 4700, 4800, 4900, 6900 and 5900. no model years listed. *pe updated 11/1/12. *pe
Bulletin:: WSB-42-05
Component:: 045000 service brakes, air:disc
Summary:: Western star: an issue with thermal overload on bendix air disc brakes where abs sensor wires melts, brake actuator fails to properly operate due to vent hole in bottom not opening, calipers coated with red or bright orange dust and tapped
Bulletin:: SB-54-58
Component:: 115000 electrical system:fuses and circuit breakers
Summary:: Western star: instructions provided to help reduce vibration on power distribution modules (pdm), to prevent cracking of fuses on horizontally mounted powertrain. *pe updated 03/02/15*lj
Bulletin:: 98-1
Component:: 160000 structure
Summary:: 98-1 - paint finish standards