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Western Star 4900 Recall 07V571: Service Brakes, Air:Slack Adjusters

NHTSA campaign 07V571, reported December 18, 2007, 31 vehicles potentially affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 07V571FREIGHTLINER LLC
Component
SERVICE BRAKES, AIR:SLACK ADJUSTERS
Problem
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.
Risk
REDUCED VEHICLE BRAKING COULD LEAD TO A CRASH.
Remedy
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.
Notes
FREIGHTLINER RECALL NO. FL-518.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.

Affected vehicles

Western Star 4900200520062007
Western Star 6900200520062007