1999 MACK DM Recalls (2)
- 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:
- 00V230003 on 10/31/2000
- Component:
- Vehicle speed control:accelerator pedal
- Manufactured:
- 01/31/1999 - 08/30/2000
- Affected:
- 45,866
- Defect:
- Vehicle description: class 8 trucks equipped with felsted electronic accelerator pedals. the return springs can break on the accelerator pedals that are equipped with stainless steel or electroplated wire return springs.
- Consequence:
- This condition could cause the pedal to go to full throttle if both return springs break, increasing the risk of a crash.
- Correction:
- Replacement accelerator pedals equipped with return springs manufactured of music wire with one additional coil on each spring and with an organic coating, eliminating electroplating will be installed.
- Notes:
- Owner notification began december 13, 2000.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).
1999 MACK DM TSB
- Bulletin:
- SL273001
- Component:
- 062100 engine and engine cooling:cooling system:radiator assembly
- Summary:
- Subject regarding an ambient air temperature sensor phased into production to correct an engine misfire condition that may be experienced with certain e-tech engines. *tt
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