1998 MACK CH Recalls (3)
- 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:
- 03V201000 on 06/04/2003
- Component:
- Suspension:front:hub
- Manufactured:
- 07/31/1998 - 10/14/1998
- Affected:
- 998
- Defect:
- On certain heavytrucks equipped with truck hub units manufactured by skf exclusively for use on arvinmeritor's ff98x series non-drive steer axles, the hub unit bearings can wear prematurely.
- Consequence:
- Seizure of the bearings can cause wheel separation or wheel end fire.
- Correction:
- Dealers will replace all front axle hubs. owner notification began on oactober 14, 2003. customers will be informed of parts availability by october 3, 2003. 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 610-709-3337.
- Notes:
- Mack recall no. sc280.customers can 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).
1998 MACK CH TSB
- Bulletin:
- 04B015
- Component:
- 161000 structure:frame and members
- Summary:
- Subject on heavy -duty 44,000-lb trunnion bracket. *yc
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