On some peterbilt trucks, certain parts used in the air suspensions have a high copper content causing premature failure.
Suspension
Peterbilt 387 Suspension problems by year
1 complaints filed with NHTSA about the Peterbilt 387's suspension. Broken springs, struts, control arms, ball joints, noises and alignment that won't hold.
Suspension complaints by model year
Suspension recalls
On certain trucks equipped with truck hub units manufactured by skf exclusively for use on arvinmeritor's ff98x series non-drive steer axles, the hub unit bearings can wear prematurely.
Latest 387 suspension complaints
Suspension was wrong type, and vehicle made to pull trailer. Trailer height was 13'9, " not legal 13'6". Dealer would not take vehicle back, consumer traded vehicle.*Ak
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data