2001 Western Star Constellation technical service bulletins
13 technical service bulletins and manufacturer communications cover the 2001 Western Star Constellation.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Western star: around the diesel exhaust fluid (DEF) an excessive amount of crystal or powder built up...
- Western star: lubricate wheel bearings, rear drive axles
- Western star trucks: fuel line fitting replacement information
- Western star trucks: the rear suspension air-spring assembly has been redesigned
- Western star trucks: instructions to remove, inspect, and reseal the lower pinion cover on the rear axles
- Western star trucks: information on wheel bearing lubrication in the rear axle
- Western star trucks: the procedure to replace the power steering pump with a different version pump
- Western star trucks: there are new cgi bellows due to current ones that are prone to failure
- Western star: cab front crossmember retrofit; 109BBC raised cab. some raised cab trucks have experienced...
- Western star: trw TAS85 steering gear internal leakage test
- Western star truck: 5 piece back of cab service crossmember
- Western star: vehicles equipped with an MBE4000 engine and an alliance fuel/water separator may have...
- Western star: some barksdale height control valves have been returned for warranty because four bolts in...
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