1998 Mack CH problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 0 complaints on file for the 1998 Mack CH — too few to judge reliability from owner reports alone — but 3 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

NHTSA complaints

Recalls

Investigations

Crash-involved

Fires reported

Injuries

Deaths

—

NCAP overall

How does 1998 compare to other CH years?

CH NHTSA complaints by model year, 1998 highlighted. Red bars are years to avoid.

See all CH years to avoid →

Does the 1998 Mack CH have recalls?

3 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

04V159000Fuel SystemApril 7, 2004 · 317 units

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.

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.

03V201000SuspensionJune 3, 2003 · 998 units

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.

Remedy

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.

00V232009BrakesSeptember 13, 2000 · 651 units

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.

Remedy

DEALERS WILL REPLACE THE ABS ECU.

1998 Mack CH — common questions

Is the 1998 Mack CH reliable?

The record is thin — 0 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 3 recalls should be verified as completed.

Does the 1998 Mack CH have recalls?

Yes — NHTSA lists 3 recall campaigns affecting the 1998 Mack CH. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Is the 1998 Mack CH under NHTSA investigation?

NHTSA opened one investigation into this model year; all are now closed.

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.

How does 1998 compare to other CH years?

Does the 1998 Mack CH have recalls?

1998 Mack CH — common questions

Is the 1998 Mack CH reliable?

Does the 1998 Mack CH have recalls?

Is the 1998 Mack CH under NHTSA investigation?

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