← All recalls
CA1981076

Mack F

Mack F

Published
1981-07-09
Model years
1979–1980

THE BRAKE CONTROL KNOB COULD FALL OFF DUE TO THE LOCATION OF THE HOLE FOR THE RETAINING PIN BEING OFF THE CENTERLINE OF THE HOLE FOR THE VALVE PLUNGER. WHEN THE RETAINING PIN IS INSTALLED, THE MISALIGNMENT CREATES EXCESSIVE STRESS AROUND THE HOLE FOR THE PIN AND THE PLASTIC FAILS. THE LOSS OF KNOB COULD IMPAIR OPERATION OF THE HAND CONTROL BRAKE VALVE.

View the official source notice →

Mack MC

Published
1981-07-09
Model years
1979–1980

THE BRAKE CONTROL KNOB COULD FALL OFF DUE TO THE LOCATION OF THE HOLE FOR THE RETAINING PIN BEING OFF THE CENTERLINE OF THE HOLE FOR THE VALVE PLUNGER. WHEN THE RETAINING PIN IS INSTALLED, THE MISALIGNMENT CREATES EXCESSIVE STRESS AROUND THE HOLE FOR THE PIN AND THE PLASTIC FAILS. THE LOSS OF KNOB COULD IMPAIR OPERATION OF THE HAND CONTROL BRAKE VALVE.

View the official source notice →

Mack R

Published
1981-07-09
Model years
1979–1980

THE BRAKE CONTROL KNOB COULD FALL OFF DUE TO THE LOCATION OF THE HOLE FOR THE RETAINING PIN BEING OFF THE CENTERLINE OF THE HOLE FOR THE VALVE PLUNGER. WHEN THE RETAINING PIN IS INSTALLED, THE MISALIGNMENT CREATES EXCESSIVE STRESS AROUND THE HOLE FOR THE PIN AND THE PLASTIC FAILS. THE LOSS OF KNOB COULD IMPAIR OPERATION OF THE HAND CONTROL BRAKE VALVE.

View the official source notice →

Mack U

Published
1981-07-09
Model years
1979–1980

THE BRAKE CONTROL KNOB COULD FALL OFF DUE TO THE LOCATION OF THE HOLE FOR THE RETAINING PIN BEING OFF THE CENTERLINE OF THE HOLE FOR THE VALVE PLUNGER. WHEN THE RETAINING PIN IS INSTALLED, THE MISALIGNMENT CREATES EXCESSIVE STRESS AROUND THE HOLE FOR THE PIN AND THE PLASTIC FAILS. THE LOSS OF KNOB COULD IMPAIR OPERATION OF THE HAND CONTROL BRAKE VALVE.

View the official source notice →