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April 1, 2014 Service bulletin

Mack trucks: slack adjuster control arm

Mack technical service bulletin PI-0767 for 2006-2011 Mack Gu and 2012-2013 Mack Granite (Gu).

Bulletin number
PI-0767
Component
Suspension: front: control arm
Summary
Mack trucks: slack adjuster control arm. Haldex slack adjusters and ridewell suspension may exhibit a condition which allows the slack adjuster control arm to make contact with the ridewell suspension walking beam during steep suspension articulation. Js updated 06/28/13. Js

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