NHTSA Campaign Id 89V032000; Date: Mar. 3, 1989
Under certain conditions, hose could fail resulting inloss of power steering assist and possibly an accident.
1987 Mack Dm Series; 1988 Mack Dm Series; 1987 Mack Dmm Series; 1988 Mack Dmm Series; 1987 Mack R Series; 1988 Mack R Series; 1987 Mack Rd Series; 1988 Mack Rd Series; 1987 Mack Rm Series; 1988 Mack Rm Series; 1987 Mack Rw Series; 1988 Mack Rw Series; 1987 Mack U Series; 1988 Mack U Series
Component: Steering:hydraulic Power Assist:hose, Piping, And Connections
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 3,127
An incorrect high pressure power steering hose may have been installed.
Replace incorrect power steering hoses.
System: power steering hose. Vehicle description: heavy duty trucks equipped with stratoflex high pressurepower steering hose.
Date Owners notified by Manufacturer: Oct 27, 1989
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