Mack Ctp — Other
High risk
Oct 19, 2007
Model years: 2006, 2007, 2008
On certain trucks, the fifth wheel hitch assembly's lever arm may have been incorrectly installed during the manufacturing process. The lever arm pivot bolt may have been over-tigh
Also affects: Mack Chn, Mack Cl, Mack Ct, Mack Cv, Mack Cxn
Mack Ctp — Brakes
High risk
Aug 14, 2007
Model years: 2006, 2007, 2008
On certain vehicles, the internal rubber check valve inside the Bendix SR-7 spring brake modulating valve can become deformed over time. The effect of this defect is intermittent a
Also affects: Mack Cxn, Mack Cv, Mack Chn, Mack Mr, Mack Cxp
Mack Ctp — Brakes
High risk
Aug 14, 2007
Model years: 2006
On certain school and transit buses, the Parker single check valve (SCV) that connects with the supply port of the Bendix SR-7 spring brake modulating valve may become excessively
Also affects: Mack Chn, Mack Chu, Mack Cv, Mack Cxn, Mack Cxp
Mack Ctp — Brakes
High risk
Mar 13, 2007
Model years: 2006, 2007
On certain trucks, the cotter pin that retains the brake pedal clevis pin may not have been installed. The clevis pin connects the brake pedal to the brake foot valve; therefore, i
Also affects: Mack Gu
Mack Ctp — Suspension
High risk
Feb 15, 2007
Model years: 2007
On certain trucks, the adjustable torque rod used on the Chalmers rear suspension may be brittle. This may lead to premature failure of the rod, which may result in a loss of contr
Also affects: Mack Gu, Mack Ct, Mack Cl, Mack Cv
Mack Ctp — Brakes
High risk
Jun 19, 2006
Model years: 2007
Certain trucks equipped with Bendix SR-7 spring brake modulating valve may experience an internal air leak if the check valve fails to seat. This may cause a delay in the applicati
Also affects: Mack Ct, Mack Cxn, Mack Chn, Mack Cv, Mack Mr
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