NHTSA recall 11V514000
Steering › Rack and pinion
Freightliner Cascadia and 4 more
The defect
Daimler trucks IS recalling certain model year 2005-2011 freightliner cascadia, columbia, century, coronado, and classic XL trucks manufactured from november 1, 2004, through june 15, 2010 for the rack and pinion steering system. the lower pinion bearing may corrode and fail. a failed bearing may lead to damage of the spool valve seals. a damage spool valve seal may allow hydraulic fluid to flow to the right or left turn port instead of flowing to the return port.
The risk
The steering could unexpectedly turn left or right, making the vehicle more difficult to control and increasing the risk of a crash.
The remedy
Daimler trucks will inspect the lower bearing for corrosion. if corrosion IS found, the rack and pinion system will be replaced. if no corrosion IS found, on the bearing, the bearing will be packed with grease and the rubber bellows will be replaced with sealant added between the bellows and the rack housing. an interim letter was mailed in december 2011. owners may contact daimler trucks toll-free at 1-800-547-0712.