NHTSA vehicle safety data
1997 Mack CH Recalls & Complaints
The 1997 Mack CH has 2 NHTSA recall campaigns and 1 owner complaint on file as of November 3, 2026. Recall repairs are usually free at an authorized Mack dealer.
NHTSA recall and complaint data for the 1997 Mack CH. Recall data is refreshed daily from NHTSA.
1997 Mack CH owner complaints
Owners have filed 1 complaint with NHTSA about the 1997 Mack CH, describing incidents dated May 12, 1997.
Most-cited components
- Engine 1 complaint
Newest complaints
ODI #521572 · Filed
SERIOUS VIBRATION, RESULTING IN SEVERAL TRANSMISSION/ENGINE REPAIRS TO NO AVAIL.
MACK/NEXGEN/LNG RELIEF VALVES
NHTSA #04V159000 · Fuel System, Other — Storage — Tank Assembly — Pressure Relief Devices · NHTSA notice
Reported April 7, 2004 · MACK TRUCKS, INC
Potentially affected: 317 vehicles
Mack campaign SC0287 · Owners notified April 6, 2004 · Vehicles built April 26, 1995 – February 9, 2004 (per NHTSA)
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).
MACK/DRAG LINK TORQUE
NHTSA #97V191000 · Steering — Linkages — Drag — Link — Connection · NHTSA notice
Reported November 1, 1997 · MACK TRUCKS, INCORPORATED
Potentially affected: 10,438 vehicles
Owners notified December 1, 1997 · Vehicles built January 2, 1997 – September 11, 1997 (per NHTSA)
Defect description
VEHICLE DESCRIPTION: CLASS 8 HEAVY DUTY TRUCKS. DURING ASSEMBLY, INSUFFICIENT TORQUE OCCURRED OF THE DRAG LINK TO THE AXLE STEERING ARM CONNECTION. IF THE DRAG LINK TO AXLE STTERING ARM CONNECTION IS NOT TORQUED AND THE COTTER PIN IS NOT INSTALLED, THE NUT COULD BACK OFF DURING VEHICLE OPERATION.
Safety consequence
IF THE NUT BACKS OFF, THERE COULD BE A LOSS OF DRIVER CONTROL.
Manufacturer remedy
DEALERS WILL RETORQUE THE DRAG LINK TO THE AXLE STEERING ARM CONNECTION.
Notes
OWNER NOTIFICATION BEGAN NOVEMBER 24, 1997. 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 1-800-424-9393.
Other Mack CH model years
Check your 1997 Mack CH VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mack CH at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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