1998 Mack DM Problems: 0 Complaints, 2 Recalls

The worst 1998 Mack DM problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Service brakes, air: antilockReported September 13, 2000 · 651 vehicles affected

What is wrong: Vehicle description: heavy duty trucks built with bendix air ABS with an ec-17 1030r electronic control unit (ecu), there have been reports of unwanted ABS activation at low speeds caused by 1) chafed ABS wheel speed sensor wires on rotating parts or 2) a damaged component at the wheel end that generates a certain type of erratic sensor signal.
Risk: This condition could cause the ABS ecu to exhaust the air at the air brake modulators for one or more of the wheels. This could result in extended braking distances and a possible crash.
Remedy: Dealers will replace the ABS ecu.

Recall number 00V232009 · Recall details

Suspension: front: wheel bearingReported January 22, 1999 · 8,025 vehicles affected

What is wrong: Vehicle description: class 8 heavy duty truck chassis equipped with mack 16,000 lb., 18,000 lb., or 20,000 lb. Heavy duty steering axles. The inner wheel bearing cone for the steering axle wheel hub assembly does not properly fit onto the mack steering axle spindle assembly. Improper fit of the bearing to the spindle increases the stress levels to the steering axle spindle which could cause spindle failure.
Risk: If the spindle fails, a loss of driver control could occur, increasing the risk of a vehicle crash.
Remedy: Dealers will remove the left and right hub/drum assemblies from the steering axles and replace the inner wheel bearing cones and cups.

Recall number 99V014001 · Recall details

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Used buying checklistWhat to check on a 1998 Mack DM before you buy

Is the 1998 Mack DM reliable?

Owners have filed 0 complaints about the 1998 Mack DM.

What is the most common problem with the 1998 Mack DM?

There are not enough complaints to tell.

How many recalls does the 1998 Mack DM have?

2 recalls, covering service brakes, air and suspension.

See the problems and recalls for an exact car

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.