Mack · Canada · High
Mack Midliner: Steering
Affects Mack Midliner · 1988 — about 24 vehicles.
The hazard
THE POWER STEERING PUMP MAY HAVE A RIDGE INSIDE THE ALUMINUM HOUSING. THE RIDGE MAY DETACH AND BECOME WEDGED IN THE RELIEF VALVE, KEEPING IT OPEN. THIS WOULD RESULT IN LOSS OF POWER ASSISTANCE WITHOUT WARNING. CORRECTION: THE POWER STEERING PUMP WILL BE REPLACED.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational