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May 1, 2011 Service bulletin

Western star trucks: the rear suspension air-spring assembly has been redesigned. rm

Western Star technical service bulletin SB-32-13 for 1995-1999, 2001, 2009-2012 Western Star Constellation and 1995-1997, 1999 Western Star Heritage.

Bulletin number
SB-32-13
Component
Suspension: front: springs: air suspension system
Summary
Western star trucks: the rear suspension air-spring assembly has been redesigned. Rm

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