1999 Kenworth W900L Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1999 Kenworth W900L, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Body & structure350.0%
- Brakes116.7%
- Interior & seats116.7%
- Exterior lighting116.7%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
DT*: THE CONTACT STATED WHILE CHECKING THE OIL, THE HOOD WAS LIFTED AND THE CONTACT NOTICED THE FRAME RAIL WAS FRACTURED ON THE PASSENGER SIDE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT REPAIR SHOP, WHERE THE FRAME RAIL WAS REPLACED.
DT*: THE CONTACT OWNS A 1999 KENWORTH W900L, AND STATED THE HOOD WOULD NOT SHUT BECAUSE THE FRAME CRACKED. THE CRACK OCCURRED 10 INCHES BEHIND THE SPRING HANGER ON THE DRIVER'S SIDE. THE DEALERSHIP REPLACED THE FRAME RAIL. *AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
TL*THE CONTACT OWNS A 1999 KENWORTH W900L STUDIO. WHEN THE CONTACT PURCHASED THE VEHICLE IN MISSISSIPPI, HE WAS INFORMED THAT ALL OF THE DOT SAFETY STANDARDS WERE FINE. WHILE DRIVING 55 MPH IN TEXAS, THE DOT REGULATION AND AIR SYSTEM FAILED, WHICH CAUSED THE VEHICLE TO COMPLETELY BREAK DOWN. THE CONTACT WANTS TO RETURN THE VEHICLE BECAUSE IT IS UNSAFE TO DRIVE. HE ALSO WANTS ALL OF HIS LEASE PAYMENTS RETURNED. THE CURRENT AND FAILURE MILEAGES WERE 142,500.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
TL*THE CONTACT OWNS A 1999 KENWORTH W900L STUDIO. WHEN THE CONTACT PURCHASED THE VEHICLE IN MISSISSIPPI, HE WAS INFORMED THAT ALL OF THE DOT SAFETY STANDARDS WERE FINE. WHILE DRIVING 55 MPH IN TEXAS, THE DOT REGULATION AND AIR SYSTEM FAILED, WHICH CAUSED THE VEHICLE TO COMPLETELY BREAK DOWN. THE CONTACT WANTS TO RETURN THE VEHICLE BECAUSE IT IS UNSAFE TO DRIVE. HE ALSO WANTS ALL OF HIS LEASE PAYMENTS RETURNED. THE CURRENT AND FAILURE MILEAGES WERE 142,500.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
TL*THE CONTACT OWNS A 1999 KENWORTH W900L STUDIO. WHEN THE CONTACT PURCHASED THE VEHICLE IN MISSISSIPPI, HE WAS INFORMED THAT ALL OF THE DOT SAFETY STANDARDS WERE FINE. WHILE DRIVING 55 MPH IN TEXAS, THE DOT REGULATION AND AIR SYSTEM FAILED, WHICH CAUSED THE VEHICLE TO COMPLETELY BREAK DOWN. THE CONTACT WANTS TO RETURN THE VEHICLE BECAUSE IT IS UNSAFE TO DRIVE. HE ALSO WANTS ALL OF HIS LEASE PAYMENTS RETURNED. THE CURRENT AND FAILURE MILEAGES WERE 142,500.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .