NHTSA campaign 04V159000 · Mack campaign SC0287

Mack Recall 04V-159: MACK/NEXGEN/LNG RELIEF VALVES

NHTSA recall 04V159000 (Mack campaign SC0287) was reported by MACK TRUCKS, INC on April 7, 2004, with 317 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mack CH, Mack LE and Mack MR for model years 1995–2004 (try.vin imports model years 1995 and later). Owners were notified on April 6, 2004, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 04V159000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign: 04V159000 (also written 04V-159 or 04V159)
Filed by: MACK TRUCKS, INC
Mack campaign number: SC0287
Report received: April 7, 2004
Potentially affected: 317 vehicles (per NHTSA)
Component: Fuel System, Other — Storage — Tank Assembly — Pressure Relief Devices
Owners notified: April 6, 2004

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 04V159000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Mack

Mack CH
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 · Vehicles built April 26, 1995 – February 9, 2004 (per NHTSA)
Mack LE
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 · Vehicles built April 26, 1995 – February 9, 2004 (per NHTSA)
Mack MR
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 · Vehicles built April 26, 1995 – February 9, 2004 (per NHTSA)

All Mack recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 04V159000.

Defect description

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.

Safety 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.

Manufacturer remedy

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).

Sources

Official NHTSA notice for recall 04V159000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.