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NHTSA recall · Reported December 18, 2007

WESTERN STAR 2005-2006: SERVICE BRAKES, AIR:SLACK ADJUSTERS

ON CERTAIN HEAVY DUTY TRUCKS BUILT WITH SISU FR2P-21, SISU FR2P-26, SISU FR3P-33, OR SISU FR3P-48 REAR AXLES, A COUNTER-BORE MACHINED IN BOTH ENDS OF THE WORM WHEEL OPENING OF THE…

Recall #
07V571000
Verify with NHTSA →
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Western Star recalled ON CERTAIN HEAVY DUTY TRUCKS BUILT WITH SISU FR2P-21, SISU FR2P-26, SISU FR3P-33, OR SISU….

WESTERN STAR 2005-2006: SERVICE BRAKES, AIR:SLACK ADJUSTERS was recalled by Western Star in December 18, 2007. Reason: ON CERTAIN HEAVY DUTY TRUCKS BUILT WITH SISU FR2P-21, SISU FR2P-26, SISU FR3P-33, OR SISU FR3P-48 REAR AXLES,…. Remedy: DEALERS WILL INSPECT THE SLACK ADJUSTERS, AND REPLACE THE ADJUSTER IF FOUND DEFECTIVE. TH…. Verify recall #07V571000 with the NHTSA before acting.

The recall

Western Star issued this NHTSA recall-ON CERTAIN HEAVY DUTY TRUCKS BUILT WITH SISU FR2P-21, SISU FR2P-26, SISU FR3P-33, OR SISU FR3P-48 REAR AXLES,….

None
agency class
December 18, 2007
reported

Sourced from official NHTSA enforcement records. Verify recall #07V571000 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

The number of affected units is not disclosed in the agency filing, which is common for drug and food recalls where lot-level tracking supersedes unit counts. Distribution scope (see Distribution below) directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.

Within the same product category the archive holds 6 closely related recalls, 3 from NHTSA - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Vehicles recalls over time

Where this recall sits in its category - 7,783 vehicles recalls on record

200300400500600 20052008201120142017202020232026 222

Product description

ON CERTAIN HEAVY DUTY TRUCKS BUILT WITH SISU FR2P-21, SISU FR2P-26, SISU FR3P-33, OR SISU FR3P-48 REAR AXLES, A COUNTER-BORE MACHINED IN BOTH ENDS OF THE WORM WHEEL OPENING OF THE SLACK ADJUSTER HOUSING REDUCES MATERIAL THICKNESS BETWEEN THE WORM WHEEL OPENING AND THE WORM SHAFT OPENING. UNDER NORMAL SERVICE A CRACK MAY DEVELOP IN THIS AREA RENDERING THE SLACK ADJUSTER INOPERABLE AND REDUCING BRAKE EFFECTIVENESS.

Reason for recall

ON CERTAIN HEAVY DUTY TRUCKS BUILT WITH SISU FR2P-21, SISU FR2P-26, SISU FR3P-33, OR SISU FR3P-48 REAR AXLES, A COUNTER-BORE MACHINED IN BOTH ENDS OF THE WORM WHEEL OPENING OF THE SLACK ADJUSTER HOUSING REDUCES MATERIAL THICKNESS BETWEEN THE WORM WHEEL OPENING AND THE WORM SHAFT OPENING. UNDER NORMAL SERVICE A CRACK MAY DEVELOP IN THIS AREA RENDERING THE SLACK ADJUSTER INOPERABLE AND REDUCING BRAKE EFFECTIVENESS.

Hazard

REDUCED VEHICLE BRAKING COULD LEAD TO A CRASH.

Remedy, what to do

DEALERS WILL INSPECT THE SLACK ADJUSTERS, AND REPLACE THE ADJUSTER IF FOUND DEFECTIVE. THE RECALL BEGAN ON JULY 31, 2008. OWNERS MAY CONTACT FREIGHTLINER AT 1-800-547-0712.

Recall Profile

Structured summary of the NHTSA recall record
Attribute Value
Agency National Highway Traffic Safety Administration
Severity class Not classified by agency
Status Active
Recall number 07V571000
Date reported December 18, 2007
Date initiated December 18, 2007
Recalling firm Western Star
Affected scope Not disclosed
Distribution United States
Official source NHTSA notice →

Profile values are sourced directly from the official NHTSA enforcement record. Source: National Highway Traffic Safety Administration.

What to do with this recall

DEALERS WILL INSPECT THE SLACK ADJUSTERS, AND REPLACE THE ADJUSTER IF FOUND DEFECTIVE. THE RECALL BEGAN ON JULY 31, 2008. OWNER…

  • Check the recall number (07V571000) and product description against the item you own. Search the archive
  • Confirm the current status and remedy on the official NHTSA notice before acting. NHTSA notice
  • Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official NHTSA record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was recalled?
ON CERTAIN HEAVY DUTY TRUCKS BUILT WITH SISU FR2P-21, SISU FR2P-26, SISU FR3P-33, OR SISU FR3P-48 REAR AXLES, A COUNTER-BORE MACHINED IN BOTH ENDS OF THE WORM WHEEL OPENING OF THE SLACK ADJUSTER HOUSING REDUCES MATERIAL THICKNESS BETWEEN THE WORM WHEEL OPENING AND THE WORM SHAFT OPENING. UNDER NORMAL SERVICE A CRACK MAY DEVELOP IN THIS AREA RENDERING THE SLACK ADJUSTER INOPERABLE AND REDUCING BRAKE EFFECTIVENESS.. Recalled by Western Star.
Why was this product recalled?
ON CERTAIN HEAVY DUTY TRUCKS BUILT WITH SISU FR2P-21, SISU FR2P-26, SISU FR3P-33, OR SISU FR3P-48 REAR AXLES, A COUNTER-BORE MACHINED IN BOTH ENDS OF THE WORM WHEEL OPENING OF THE SLACK ADJUSTER HOUSING REDUCES MATERIAL THICKNESS BETWEEN THE WORM WHEEL OPENING AND THE WORM SHAFT OPENING. UNDER NORMAL SERVICE A CRACK MAY DEVELOP IN THIS AREA RENDERING THE SLACK ADJUSTER INOPERABLE AND REDUCING BRAKE EFFECTIVENESS.
What should consumers do?
DEALERS WILL INSPECT THE SLACK ADJUSTERS, AND REPLACE THE ADJUSTER IF FOUND DEFECTIVE. THE RECALL BEGAN ON JULY 31, 2008. OWNERS MAY CONTACT FREIGHTLINER AT 1-800-547-0712.
Which agency issued this recall?
This recall was issued by the NHTSA on December 18, 2007. NHTSA does not publish a hazard classification for this recall. Recall number: 07V571000.
Where was the recalled product distributed?
Distribution: United States.
How do I report an injury from a recalled product?
Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.

Nationwide recalls with similar severity or category timing

Vehicle and equipment notices outside this manufacturer and filing state, matched by archive severity grade and report timing.

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This recall: NHTSA, reported December 18, 2007. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026