1994 WESTERN STAR 4900 TSBs (3)

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:: SBW-4714
Component:: 070000 fuel system, gasoline
Summary:: Western star: fuel tanks rotating in saddles. anti-slip material may need to be installed, or an additional strip of rubber. *js
Bulletin:: 54-39
Component:: 110000 electrical system
Summary:: Western star: pyrometer thermocouple, ammeter shunt, fuel level, and other sensor inputs may be connected to the rx module. no model years were provided. *js