All Bulletins » Western Star » Constellation » 1998

Technical Service Bulletins of the 1998 Western Star Constellation

There have been 11 technical service bulletins issued for the 1998 Western Star Constellation.

1 1998 Western Star Constellation diesel engine TSB (Bulletin SB-49-12)

Bulletin Date:	May. 1, 2012
Component:	Diesel engine.
Bulletin 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.
Vehicles covered in this TSB:	2012 Western Star 4700, 2013 Western Star 4700, 1994 Western Star 4800, 1995 Western Star 4800, 1996 Western Star 4800, 1997 Western Star 4800, 1998 Western Star 4800, 1999 Western Star 4800, 2000 Western Star 4800, 2001 Western Star 4800, 2002 Western Star 4800, Western Star 48FX, 1994 Western Star 4900, 1995 Western Star 4900, 1996 Western Star 4900, 1997 Western Star 4900, 1998 Western Star 4900, 1999 Western Star 4900, 2000 Western Star 4900, 2001 Western Star 4900, 2002 Western Star 4900, 2003 Western Star 4900, 2004 Western Star 4900, 2005 Western Star 4900, 2006 Western Star 4900, 2007 Western Star 4900, 2008 Western Star 4900, 2009 Western Star 4900, 2010 Western Star 4900, 2011 Western Star 4900, 2012 Western Star 4900, 2013 Western Star 4900, 2002 Western Star 4900 Sa, 2003 Western Star 4900 Sa, 2004 Western Star 4900 Sa, 2005 Western Star 4900 Sa, 2006 Western Star 4900 Sa, 2007 Western Star 4900 Sa, 2008 Western Star 4900 Sa, 2009 Western Star 4900 Sa, 2010 Western Star 4900 Sa, 2011 Western Star 4900 Sa, 2003 Western Star 4900EX, 2004 Western Star 4900EX, 2006 Western Star 4900EX, 2007 Western Star 4900EX, 2000 Western Star 4900FA, 2003 Western Star 4900FA, 2004 Western Star 4900FA, 2003 Western Star 4900SA, 2004 Western Star 4900SA, 1997 Western Star 5800, 1998 Western Star 5800, 1999 Western Star 5800, 2000 Western Star 5800, 2001 Western Star 5800, 2002 Western Star 5800, 1994 Western Star 5900, 1996 Western Star 5900, 1997 Western Star 5900, 1998 Western Star 5900, 1999 Western Star 5900, 2000 Western Star 5900, 2001 Western Star 5900, 2002 Western Star 5900, 2003 Western Star 5900, Western Star 5900, Western Star 5900 Heavy Duty, Western Star 5900SS, Western Star 59SS, 1994 Western Star 6900, 1995 Western Star 6900, 1996 Western Star 6900, 1997 Western Star 6900, 1998 Western Star 6900, 1999 Western Star 6900, 2000 Western Star 6900, 2001 Western Star 6900, 2002 Western Star 6900, 2003 Western Star 6900, 2004 Western Star 6900, 2005 Western Star 6900, 2006 Western Star 6900, 2007 Western Star 6900, 2008 Western Star 6900, 2009 Western Star 6900, 2010 Western Star 6900, 2011 Western Star 6900, 2012 Western Star 6900, 2013 Western Star 6900, 1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 2009 Western Star Constellation, 2010 Western Star Constellation, 2011 Western Star Constellation, 2012 Western Star Constellation, Western Star Constellation.

2 1998 Western Star Constellation diesel fuel system TSB (Bulletin SB-49-12)

Bulletin Date:	May. 1, 2012
Component:	Diesel fuel system.
Bulletin 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.
Vehicles covered in this TSB:	2012 Western Star 4700, 2013 Western Star 4700, 1994 Western Star 4800, 1995 Western Star 4800, 1996 Western Star 4800, 1997 Western Star 4800, 1998 Western Star 4800, 1999 Western Star 4800, 2000 Western Star 4800, 2001 Western Star 4800, 2002 Western Star 4800, Western Star 48FX, 1994 Western Star 4900, 1995 Western Star 4900, 1996 Western Star 4900, 1997 Western Star 4900, 1998 Western Star 4900, 1999 Western Star 4900, 2000 Western Star 4900, 2001 Western Star 4900, 2002 Western Star 4900, 2003 Western Star 4900, 2004 Western Star 4900, 2005 Western Star 4900, 2006 Western Star 4900, 2007 Western Star 4900, 2008 Western Star 4900, 2009 Western Star 4900, 2010 Western Star 4900, 2011 Western Star 4900, 2012 Western Star 4900, 2013 Western Star 4900, 2002 Western Star 4900 Sa, 2003 Western Star 4900 Sa, 2004 Western Star 4900 Sa, 2005 Western Star 4900 Sa, 2006 Western Star 4900 Sa, 2007 Western Star 4900 Sa, 2008 Western Star 4900 Sa, 2009 Western Star 4900 Sa, 2010 Western Star 4900 Sa, 2011 Western Star 4900 Sa, 2003 Western Star 4900EX, 2004 Western Star 4900EX, 2006 Western Star 4900EX, 2007 Western Star 4900EX, 2000 Western Star 4900FA, 2003 Western Star 4900FA, 2004 Western Star 4900FA, 2003 Western Star 4900SA, 2004 Western Star 4900SA, 1997 Western Star 5800, 1998 Western Star 5800, 1999 Western Star 5800, 2000 Western Star 5800, 2001 Western Star 5800, 2002 Western Star 5800, 1994 Western Star 5900, 1996 Western Star 5900, 1997 Western Star 5900, 1998 Western Star 5900, 1999 Western Star 5900, 2000 Western Star 5900, 2001 Western Star 5900, 2002 Western Star 5900, 2003 Western Star 5900, Western Star 5900, Western Star 5900 Heavy Duty, Western Star 5900SS, Western Star 59SS, 1994 Western Star 6900, 1995 Western Star 6900, 1996 Western Star 6900, 1997 Western Star 6900, 1998 Western Star 6900, 1999 Western Star 6900, 2000 Western Star 6900, 2001 Western Star 6900, 2002 Western Star 6900, 2003 Western Star 6900, 2004 Western Star 6900, 2005 Western Star 6900, 2006 Western Star 6900, 2007 Western Star 6900, 2008 Western Star 6900, 2009 Western Star 6900, 2010 Western Star 6900, 2011 Western Star 6900, 2012 Western Star 6900, 2013 Western Star 6900, 1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 2009 Western Star Constellation, 2010 Western Star Constellation, 2011 Western Star Constellation, 2012 Western Star Constellation, Western Star Constellation.

3 1998 Western Star Constellation front suspension wheel bearing TSB (Bulletin 35-7)

Bulletin Date:	Feb. 1, 2012
Component:	Front suspension wheel bearing.
Bulletin Summary:	Western star: lubricate wheel bearings, rear drive axles.
Vehicles covered in this TSB:	2012 Western Star 4700, 1994 Western Star 4800, 1998 Western Star 4800, 1999 Western Star 4800, 2004 Western Star 4900, 2005 Western Star 4900, 2006 Western Star 4900, 2007 Western Star 4900, 2008 Western Star 4900, 2009 Western Star 4900, 2010 Western Star 4900, 2011 Western Star 4900, 2012 Western Star 4900, 2013 Western Star 4900, 1994 Western Star 5900, 1998 Western Star 5900, 1999 Western Star 5900, 2000 Western Star 5900, 2004 Western Star 6900, 2005 Western Star 6900, 2006 Western Star 6900, 2007 Western Star 6900, 2008 Western Star 6900, 2009 Western Star 6900, 2010 Western Star 6900, 2011 Western Star 6900, 2012 Western Star 6900, 2013 Western Star 6900, 1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 2009 Western Star Constellation, 2010 Western Star Constellation, 2011 Western Star Constellation, 2012 Western Star Constellation, 1995 Western Star Heritage, 1996 Western Star Heritage, 1997 Western Star Heritage, 1999 Western Star Heritage.

4 1998 Western Star Constellation suspension multiple axle TSB (Bulletin 35-7)

Bulletin Date:	Feb. 1, 2012
Component:	Suspension multiple axle.
Bulletin Summary:	Western star: lubricate wheel bearings, rear drive axles.
Vehicles covered in this TSB:	2012 Western Star 4700, 1994 Western Star 4800, 1998 Western Star 4800, 1999 Western Star 4800, 2004 Western Star 4900, 2005 Western Star 4900, 2006 Western Star 4900, 2007 Western Star 4900, 2008 Western Star 4900, 2009 Western Star 4900, 2010 Western Star 4900, 2011 Western Star 4900, 2012 Western Star 4900, 2013 Western Star 4900, 1994 Western Star 5900, 1998 Western Star 5900, 1999 Western Star 5900, 2000 Western Star 5900, 2004 Western Star 6900, 2005 Western Star 6900, 2006 Western Star 6900, 2007 Western Star 6900, 2008 Western Star 6900, 2009 Western Star 6900, 2010 Western Star 6900, 2011 Western Star 6900, 2012 Western Star 6900, 2013 Western Star 6900, 1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 2009 Western Star Constellation, 2010 Western Star Constellation, 2011 Western Star Constellation, 2012 Western Star Constellation, 1995 Western Star Heritage, 1996 Western Star Heritage, 1997 Western Star Heritage, 1999 Western Star Heritage.

5 1998 Western Star Constellation driveline center support bearing TSB (Bulletin 35-7)

Bulletin Date:	Feb. 1, 2012
Component:	Driveline center support bearing.
Bulletin Summary:	Western star: lubricate wheel bearings, rear drive axles.
Vehicles covered in this TSB:	2012 Western Star 4700, 1994 Western Star 4800, 1998 Western Star 4800, 1999 Western Star 4800, 2004 Western Star 4900, 2005 Western Star 4900, 2006 Western Star 4900, 2007 Western Star 4900, 2008 Western Star 4900, 2009 Western Star 4900, 2010 Western Star 4900, 2011 Western Star 4900, 2012 Western Star 4900, 2013 Western Star 4900, 1994 Western Star 5900, 1998 Western Star 5900, 1999 Western Star 5900, 2000 Western Star 5900, 2004 Western Star 6900, 2005 Western Star 6900, 2006 Western Star 6900, 2007 Western Star 6900, 2008 Western Star 6900, 2009 Western Star 6900, 2010 Western Star 6900, 2011 Western Star 6900, 2012 Western Star 6900, 2013 Western Star 6900, 1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 2009 Western Star Constellation, 2010 Western Star Constellation, 2011 Western Star Constellation, 2012 Western Star Constellation, 1995 Western Star Heritage, 1996 Western Star Heritage, 1997 Western Star Heritage, 1999 Western Star Heritage.

6 1998 Western Star Constellation cooling exhaust system TSB (Bulletin SB-49-7)

Bulletin Date:	Jan. 1, 2012
Component:	Cooling exhaust system.
Bulletin Summary:	Western star: epa07 exhaust bellows replacement. If a failed exhaust bellows on an epa07 engine installation, replace it with a new style bellows, and two new matching clamps. No model years listed. Updated on 6/14/2011.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 1995 Western Star Heritage, 1996 Western Star Heritage, 1997 Western Star Heritage, 1999 Western Star Heritage.

7 1998 Western Star Constellation front suspension springs TSB (Bulletin SB-32-13)

Bulletin Date:	May. 1, 2011
Component:	Front suspension springs.
Bulletin Summary:	Western star trucks: the rear suspension air-spring assembly has been redesigned.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 2009 Western Star Constellation, 2010 Western Star Constellation, 2011 Western Star Constellation, 2012 Western Star Constellation, Western Star Constellation, 1995 Western Star Heritage, 1996 Western Star Heritage, 1997 Western Star Heritage, 1999 Western Star Heritage, Western Star Heritage.

8 1998 Western Star Constellation rear suspension axle non-powered axle assembly TSB (Bulletin SB-35-06)

Bulletin Date:	May. 1, 2011
Component:	Rear suspension axle non-powered axle assembly.
Bulletin Summary:	Western star trucks: instructions to remove, inspect, and reseal the lower pinion cover on the rear axles.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, Western Star Constellation, 1995 Western Star Heritage, 1996 Western Star Heritage, 1997 Western Star Heritage, 1999 Western Star Heritage, Western Star Heritage.

9 1998 Western Star Constellation front suspension wheel bearing TSB (Bulletin SB-35-07)

Bulletin Date:	May. 1, 2011
Component:	Front suspension wheel bearing.
Bulletin Summary:	Western star trucks: information on wheel bearing lubrication in the rear axle.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 2009 Western Star Constellation, 2010 Western Star Constellation, 2011 Western Star Constellation, 2012 Western Star Constellation, Western Star Constellation, 1995 Western Star Heritage, 1996 Western Star Heritage, 1997 Western Star Heritage, 1999 Western Star Heritage, Western Star Heritage.

10 1998 Western Star Constellation steering power assist pump TSB (Bulletin SB-46-9)

Bulletin Date:	May. 1, 2011
Component:	Steering power assist pump.
Bulletin Summary:	Western star trucks: the procedure to replace the power steering pump with a different version pump.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 2009 Western Star Constellation, 2010 Western Star Constellation, 2011 Western Star Constellation, 2012 Western Star Constellation, Western Star Constellation.

11 1998 Western Star Constellation engine TSB (Bulletin SB-49-8)

Bulletin Date:	Mar. 1, 2011
Component:	Engine.
Bulletin Summary:	Western star trucks: there are new cgi bellows due to current ones that are prone to failure.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, 1995 Western Star Heritage, 1996 Western Star Heritage, 1997 Western Star Heritage, 1999 Western Star Heritage.

12 1998 Western Star Constellation steering gear box (other than rack and pinion) TSB (Bulletin SB-46-8)

Bulletin Date:	Jan. 1, 2010
Component:	Steering gear box (other than rack and pinion).
Bulletin Summary:	Western star: trw tas85 steering gear internal leakage test. Some trw tas85 steering gears have been equipped with an internal relief valve. These steering gears are typically installed with power steering pumps that have a pressure reli
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation.

13 1998 Western Star Constellation frame and members TSB (Bulletin SB-31-7)

Bulletin Date:	Aug. 1, 2009
Component:	Frame and members.
Bulletin 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
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, Western Star Constellation.

14 1998 Western Star Constellation recreational vehicle TSB (Bulletin SB-32-10)

Bulletin Date:	Feb. 1, 2009
Component:	Recreational vehicle.
Bulletin 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.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, Western Star Constellation.

15 1998 Western Star Constellation equipment mechanical TSB (Bulletin SB-32-10)

Bulletin Date:	Feb. 1, 2009
Component:	Equipment mechanical.
Bulletin 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.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, Western Star Constellation.

16 1998 Western Star Constellation owners/service manual TSB (Bulletin SB-32-10)

Bulletin Date:	Feb. 1, 2009
Component:	Owners/service manual.
Bulletin 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.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, Western Star Constellation.

17 1998 Western Star Constellation equipment adaptive TSB (Bulletin SB-32-10)

Bulletin Date:	Feb. 1, 2009
Component:	Equipment adaptive.
Bulletin 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.
Vehicles covered in this TSB:	1995 Western Star Constellation, 1996 Western Star Constellation, 1997 Western Star Constellation, 1998 Western Star Constellation, 1999 Western Star Constellation, 2001 Western Star Constellation, Western Star Constellation.

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