1995 MACK MR Recalls (2)
- Campaign:
- 95E003010 on 09/26/1995
- Component:
- Service brakes, air:supply:hoses, lines/piping, and fittings
- Manufactured:
- 09/30/1992 - 02/28/1995
- Affected:
- 1,224
- Defect:
- Air system blockage in the air dryer occurs degrading the moisture removing capabilities of the dryer when the vehicle is operated in a cold environment and moisture accumulates and freezes in the air dryer or in the line between the dryer and the air system reservoir. the air dryer can become overpressurized causing the air dryer cartridge to separate from the mounting base.
- Consequence:
- If the air dryer separates from the base, the cartridge can separate sufficiently enough to cause personal injury or property damage.
- Correction:
- Dealers will equip air systems with a pressure relief valve to be located between the compressor and the air dryer. this pressure relief valve is intended to vent if excessive pressure develops in the air dryer.
- Notes:
- System: brakes; air dryer. vehicle description: heavy duty class 8 trucks equipped with rockwell wabco system saver "1000" or system saver "twin" air dryer. note: if your vehicle is presented to an authorized dealer on an agreed upon service date and the remedy is not provided free of charge within a reasonable time, contact mack at 1-610-709-3011.also contact the national highwaytraffic safety administration's auto safety hotline at 1-800-424-9393.
- 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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