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RecallGazette

Vehicle problems, recalls & safety intelligence

Freightliner Business Class M2 2003–2011technical service bulletin

Bulletin SB-46-48 · NHTSA communication 10033171 · issued Jan 1, 2010

Technical service bulletin
communication type
Steering
component
2003–2011
model years
42
vehicle entries

Official summary

Freightliner: trw tas85 steering gear internal leakage test. Some trw tas85 steering gears have been equipped with an internal relief valve. These steering gears are typically installed with power steering pumps that have a pressure relief rating greater than 2175 psi (150 bar). The internal relief valve limits maximum supply pressure to protect the steering gear. Models fld conventional, century class conventional, columbia, coronado, business class m2 and cascadia. No model years listed. *pe

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.