9999 WESTERN STAR CONSTELLATION TSBs (31)

Bulletin:
98WS001
Component:
061000 engine and engine cooling:engine
Summary:
Subject on the heater intake gasket. *yc
Bulletin:
98WS003
Component:
160000 structure
Summary:
General information pertaining to constellation hood and fenders. *yc
Bulletin:
98WS001
Component:
162300 structure:body:door
Summary:
A new secondary door seal for constellation cab doors to address wind noise and water leak issues. *yc
Bulletin:
9915
Component:
012000 steering:column
Summary:
General service letter regarding repair versus replacement of the tilt steering columns. *tt
Bulletin:
99WS004
Component:
160000 structure
Summary:
On some vehicles there have been structural cracks observed developing at the cab door frame, rear lower corner. *tt
Bulletin:
422
Component:
043200 service brakes, air:slack adjusters:automatic
Summary:
Automatic slack adjuster adjustment caution. models constellation and heritage. western star. *kb
Bulletin:
54-46
Component:
115000 electrical system:fuses and circuit breakers
Summary:
Western star: protecting mega fuses with dielectric enamel. protective cover, sealed to the frontwall, prevents water from dripping directly on the fuses. model years are unknown. *pe
Bulletin:
SB-32-10
Component:
351000 equipment:recreational vehicle
Summary:
Western star: some barksdale height control valves have been returned for warranty because four bolts in the valve housing were overtightened, often, enough to crack valve housing. model years unknown. *pe
Bulletin:
SB-88-11
Component:
162800 structure:body:hood
Summary:
Western star truck: some trucks (4900fa, 123bbc) with hood sales code 644-002, may develop cracks at the inner fender, near the nutplate for the hood guide. the steel pivot structure can also crack, outboard of the hood pivot clevis. no mo
Bulletin:
SB-31-7
Component:
161000 structure:frame and members
Summary:
Western star truck: 5 piece back of cab service crossmember. 5 piece bolted service crossmembers are an improved, more durable service replacement for the tubular back of cab crossmembers. follow steps to replace a tubular back of cab cr
Bulletin:
SB-32-11
Component:
022132 suspension:rear:springs:air suspension system:springs/bags
Summary:
Western star trucks: troubleshooting for an air spring bag misalignment. *rm
Bulletin:
SB-47-11
Component:
072200 fuel system, gasoline:delivery:hoses, lines/piping, and fittings
Summary:
Western star trucks: fuel line fitting replacement information. *rm
Bulletin:
SB-54-53
Component:
091200 fuel system, other:storage:fuel gauge system
Summary:
Western star trucks: the fuel guage level may drop to empty for about 25 miles and then will return to normal. *rm updated 4/2/13. *pe
Bulletin:
SB-32-13
Component:
021230 suspension:front:springs:air suspension system
Summary:
Western star trucks: the rear suspension air-spring assembly has been redesigned. *rm
Bulletin:
SB-35-06
Component:
022520 suspension:rear:axle:non-powered axle assembly
Summary:
Western star trucks: instructions to remove, inspect, and reseal the lower pinion cover on the rear axles. *rm
Bulletin:
SB-35-07
Component:
021600 suspension:front:wheel bearing
Summary:
Western star trucks: information on wheel bearing lubrication in the rear axle. *rm
Bulletin:
SB-46-9
Component:
015100 steering:hydraulic power assist:pump
Summary:
Western star trucks: the procedure to replace the power steering pump with a different version pump. *rm
Bulletin:
SB-54-52
Component:
117000 digital instrument panel
Summary:
Western star: information on the modification of modification from px modules to stand-alone gauges. *rm
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-49-9
Component:
060000 engine (pws)
Summary:
Western star: on some trucks, the exhaust bellows have a new and robust flex tube design, which requires a slip clamp assembly, now available. models constellation. no model years listed. *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
Bulletin:
SB-54-57
Component:
355200 equipment:other:owners/service/other manual
Summary:
Western star: troubleshooting information regarding powernet assessment worksheet guide for starting issues, alternator, path, battery and charging of vehicles with separate cable voltage drop checks. model constellation, 4800, 5900, heri
Bulletin:
54-61
Component:
110000 electrical system
Summary:
Guidelines for repairing or replacing an electrical harness use the guidelines in this bulletin to determine if a damaged electrical harness should be repaired or replaced. refer to the wiring section in group 54 of the applicable worksho
Bulletin:
83-25
Component:
138000 visibility:defroster/defogger system
Summary:
Side window defroster and cooling improvement retrofit this procedure improves the side window defrost function and overall a/c performance on western star 4700, 4800, 4900, 6900 models. in extreme cold conditions, the side windows may ic
Bulletin:
sbw4911
Component:
110000 electrical system
Summary:
Sbw4911 def gauge reading incorrectly
Bulletin:
sbw5401
Component:
110000 electrical system
Summary:
Sbw5401 turn signal and brake override circuit
Bulletin:
sbw5464
Component:
092000 fuel system, other:delivery
Summary:
Sbw5464 fuel level sending unit retrofit
Bulletin:
sbw0116
Component:
060000 engine (pws)
Summary:
Sbw0116 pilot bearing spacer for detroit engines with eaton transmissions
Bulletin:
sbw3510
Component:
020000 suspension
Summary:
Sbw3510 axle alignment specifications

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