Mack truck: information regarding the sleeper cab suspension leveling valve bracket that was installed...
Mack technical service bulletin PI-0789 for 2006-2011 Mack Gu and 2012-2013 Mack Granite (Gu).
- Bulletin number
- PI-0789
- Component
- Suspension: front: springs: air suspension: lines and fittings
- Summary
- Mack truck: information regarding the sleeper cab suspension leveling valve bracket that was installed incorrectly. Also, the support bracket for air spring, incorrectly mounted on frame, causing cab shock to extend fully when air spring is inflated.
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