1998 Mack CH
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
Have the VIN?
These records cover every 1998 Mack CH. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
3 recalls name the 1998 Mack CH. Newest first.
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.
Risk and remedy
Risk
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.
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.
Risk and remedy
Risk
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.
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.
Risk and remedy
Risk
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.
Defect investigations
NHTSA’s Office of Defects Investigation opened these reviews into vehicles including this one.
- Integral hub and bearing assembly
The companies involved in this matter are: skf (hub mfr), arvinmeritor (front axle mfr), and mack (manufacturer of class viiitractor/trucks).skf identified manufacturing defects for specific build dates on front axle hub and bearings (wheel bearings) supplied to arvinmeritor.as a result, arvinmeritor notified mack of…
The companies involved in this matter are: skf (hub mfr), arvinmeritor (front axle mfr), and mack (manufacturer of class viiitractor/trucks).skf identified manufacturing defects for specific build dates on front axle hub and bearings (wheel bearings) supplied to arvinmeritor.as a result, arvinmeritor notified mack of axles supplied with possible defective front hub assemblies.as a result of that notification, 998 trucks are being recalled by mack for defective front axle wheel bearings which may fail in such a way that a wheel separation or wheel bearing fire occurs.see attached summary report for additional details.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 10232605Mack Chassis - SB - 230 - 001 V-MAC I To V-MAC II Conversion Kit
- 102189132009 Document reformatted to be published as a TSB in Impact. Day cab Conversion Closure Panel
- 10215315Programming Failure - Chassis With Cummins Engine And An Allison Transmission
- 10215312(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
- 10215289Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1
- 10215287US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
- 10213658Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
- 10213652Low Oil Pressure Diagnostic Process For 11 Liter Engines
- 10213644Premium Tech Tool ( PTT ) Training Materials And Support Tools
- 10213642No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
- 10213641Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
- 10213640Electronically Controlled Suspension (ECS) Losing Air Pressure
- 10213639Low Voltage Disconnect (LVD), Function Description
- 10213638DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
- 10213637DEF Pump Cycling periodically Hours After Key Off
- 10213636Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
- 10213633USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
- 10213632NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
- 10213630Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool ( PTT ) Gearbox Calibration Failure; Gearbox Calibration Operation Stops And Fails At 33% When Run With Transmission Removed
- 10213625Mack - PTO Pump Speed Calculator
- 10213612(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)
- 10213609Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination
- 10213608Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information
- 10213605Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit
- 10204003SB - 230 - 001 V-MAC I To V-MAC II Conversion Kit
- 603385Subject on heavy -duty 44,000-lb trunnion bracket.
Every Mack CH model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.