2001 Western Star Constellation

Owner complaints

Latest complaints

• May 22, 2001OR
  Engine and engine cooling › Exhaust system › Manifold/header/muffler/tail pipe

  Consumer was traveling on highway and there was an air leak. He was smelling rubber. he pulled over to shoulder. Heat from muffler was melting airbag. dealership was aware of problem. *ak *slc

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10044353Western 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.
• 10043820Western star: lubricate wheel bearings, rear drive axles.
• 10039624Western star trucks: the procedure to replace the power steering pump with a different version pump.
• 10039623Western star trucks: information on wheel bearing lubrication in the rear axle.
• 10039622Western star trucks: instructions to remove, inspect, and reseal the lower pinion cover on the rear axles.
• 10039621Western star trucks: the rear suspension air-spring assembly has been redesigned.
• 10039278Western star trucks: fuel line fitting replacement information.
• 10038246Western star trucks: there are new cgi bellows due to current ones that are prone to failure.
• 10036726Western star: cab front crossmember retrofit; 109bbc raised cab. Some raised cab trucks have experienced failures of the cab front crossmember an alternate crossmember has been designed. No model years listed.
• 10033172Western 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 relief rating greater than 2175 psi (150 bar). The internal relief valve limits maximum supply pressure to protect the steering gear. No model years listed.
• 10031844Western 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 crossmember, with a 5 piece service crossmember.
• 10030461Western star: vehicles equipped with an mbe4000 engine and an alliance fuel/water separator may have insufficient clearance between the engine mounted fuel line and the frame rail mounted fuel/water separator mounting bracket. No model years listed.
• 10028724Western 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.

Every Western Star Constellation model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.