1998 MACK MR Recalls (3)
- Campaign:
- 99V014001 on 01/27/1999
- Component:
- Suspension:front:wheel bearing
- Manufactured:
- 02/28/1998 - 10/05/1998
- Affected:
- 8,025
- Defect:
- 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.
- Consequence:
- If the spindle fails, a loss of driver control could occur, increasing the risk of a vehicle crash.
- Correction:
- Dealers will remove the left and right hub/drum assemblies from the steering axles and replace the inner wheel bearing cones and cups.
- Notes:
- Owner notification began april 26, 1999. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011. also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
- Campaign:
- 00V232009 on 09/25/2000
- Component:
- Service brakes, air:antilock
- Manufactured:
- 06/30/1998 - 08/14/2000
- Affected:
- 651
- Defect:
- 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.
- Consequence:
- 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.
- Correction:
- Dealers will replace the abs ecu.
- Notes:
- Owner notification began january 19, 2001. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011.also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
- Campaign:
- 04V159000 on 04/09/2004
- Component:
- Fuel system, other:storage:tank assembly:pressure relief devices
- Manufactured:
- 04/25/1995 - 02/08/2004
- Affected:
- 317
- Defect:
- On certain chassis built with lng engines, the nexgen lng tank's primary and secondary relief valves could fail to open and relieve tank pressure.
- Consequence:
- This could cause ice buildup on the discharge side of the primary and secondary pressure system allowing the relief system to freeze and become blocked resulting in over pressurization of the lng tanks creating the risk of catastrophic tank rupture which could cause serious injury or death.
- Correction:
- Dealers will retrofit the lng tanks with a new primary relief valve pipe away tube and a new ventilated shroud. the recall began april 6, 2004. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3337.
- Notes:
- Mackrecall no sc0287.customers can contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
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