Total Complaints
4 filings
WESTERN STAR 4964 · model year
1999 WESTERN STAR 4964
4 NHTSA complaints, 1 crash report for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1999WESTERN STAR4964 carries 4 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1999 4964 is suspension:front:springs:air suspension system with 1 filings, followed by service brakes, air (1) and service brakes, air:supply:hoses, lines/piping, and fittings (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
No open NHTSA investigation overlaps the 1999 4964 in the current dataset. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
4
Complaints
1
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
1 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM | 1 |
| SERVICE BRAKES, AIR | 1 |
| SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS | 1 |
| SUSPENSION:FRONT | 1 |
Recent Complaints
20090326SUSPENSION:FRONT
TL*THE CONTACT OWNS A 2001 WESTERN STAR 4964SX RV (NA). THE CONTACT STATED THAT THE FAILURE OF THE PUSHER AXLE (AXLE NUMBER 01-3-1-11) WAS CAUSING THE STEERING TO DEVIATE FROM THE DIRECTION HE ATTEMPTED TO STEER. THE DEALER ACKNOWLEDGED THE FAILURE, BUT DID NOT PROVIDE A REMEDY. HE CALLED AN INDEPENDENT REPAIR SHOP AND A TECHNICIAN STATED THAT HE WOULD HAVE TO REPLACE THE STATIONS AND RE-WELD THE FRAME. THE CONTACT CALLED THE DEALER, BUT THEY WOULD ONLY ASSUME PARTIAL RESPONSIBILITY FOR THE REPAIR. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 100 AND CURRENT MILEAGE WAS 76,000.
Mileage: 100
20010709SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
BRAKE HOSE CHAFFING AGAINST FRAME, ROUTED INCORRECTLY UNDER SLEEPER CAUSING RUPTURE. REFER TO DIAGRAMS SHOWN WITH REPORT. *YH
20000814CrashSERVICE BRAKES, AIR
AIRLINE POPPED OUT.
19991116SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM
THE 5 AIR RIDE SUSPENSION VALVES WOULD BE AT DIFFERENT HEIGHTS ALL THE TIME. WOULD "DUMP OUT" WHILE GOING AROUND CURBS OR CORNERS OR EVEN AT STOPS. THE RUBBER ENDS ON THE RODS WERE REPLACED WITH METAL RODS. THEY WERE NOT ADJUSTED CORRECTLY. THIS CAUSED VEHICLE TO PULL HARD TO THE RIGHT. WOULD VIBRATE VIOLENTLY. ALSO, CLUTCH WAS REPLACED. PROBLEMS STILL EXISTS. *AK
Compare 1999WESTERN STAR4964 to Similar Vehicles
Frequently Asked Questions
How many complaints does the 1999 WESTERN STAR 4964 have?▼
The 1999 WESTERN STAR 4964 has 4 NHTSA complaints, 1 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1999 WESTERN STAR 4964?▼
The most-complained component for the 1999 WESTERN STAR 4964 is SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM with 1 complaints. Other frequently reported areas include SERVICE BRAKES, AIR and SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS.
Is the 1999 WESTERN STAR 4964 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.