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MACK with 2007+ EMISSIONS (LongHaul)

The following Maintenance Schedule lists all recommended

Services and Inspections based on Mileage, Months, and Engine Hours. 

6M


30,000 MILES
  / 500 HOURS
    / 6 MONTHS

Replace the following:​

  • ENGINE OIL & OIL FILTER

  • ENGINE FUEL FILTER

  • ENGINE FUEL WATER SEPERATOR


 

6M


50,000 MILES
  / 600 HOURS
    / 6 MONTHS

Replace the following:​​

  • COOLANT FILTER (can replace at 12 months if using extended life coolant)


 

6M

12M


60,000 MILES
  / 1,000 HOURS
    / 12 MONTHS

Replace the following:​​​

  • AIR FILTER

  • EGR Cooler DAMPERS (can go up to 120,000mi)


 


250,000 MILES
  / 2,000 HOURS
    / 24 MONTHS

Replace the following:

  • DRIVE BELT

  • COOLANT Change (Extended Life Coolant can go to 48 Months)


 

Service the following:​​​

  • OVERHEAD SET (VALVE ADJUSTMENT)

  • FUEL INJECTOR ADJUSTMENT (Complete with the Valve Adjustment)

  • STEAM CLEAN THE ENGINE BLOCK

  • FUEL TANK VENT FILTER

  • REPLACE ANY CRACKED OR LEAKING COOLANT HOSES

  • INSPECT & TEST THE CRANKCASE FILTER ASSEMBLY (Remove and spin to ensure spinning freely, clean or replace as needed, also inspect the tubing for excessive oil entering the engine intake, as is sign of non spinning CCV Filter)

  • INSPECT & TEST THE TURBOCHARGER DISHARGE RECIRCULATION VALVE (DRV) (Often this valve will stick open, causing the turbocharger to over-work and wear out quickly)


 

24M

36M


300,000 MILES
  / 3,000 HOURS
    / 36 MONTHS

**This section only applies for: BURNER STYLE DPF installed

Replace the following:

  • DPF IGNITION ELECTRODE (2X)

  • DPF IGNITER WIRES (2X)

  • DPF NOZZLE (Can often clean)

  • DPF FLAME TEMPERATURE SENSOR

  • DPF GASKETS (2X)


 

Service the following:

  • Perform the  DPF MAINTENANCE (see DPF MAINTENANCE for details)

  • INSPECT THE CAC (CLEAN AS NEEDED - IF OIL DISCOVERED)

  • INSPECT THE EGR VALVE & SYSTEM (REMOVE AND CLEAN AS NEEDED)

  • INSPECT AND TEST THE BRAKE AIR SYSTEM (the DPF ATOMIZATION MODULE uses compressed air to function, if the compressed air system has problems, so will the DPF System)

  • REPAIR ANY AIR LEAKS IN THE BRAKE AIR SYSTEM


300,000 MILES
  / 3,000 HOURS
    / 36 MONTHS

**This section only applies for: CATALYZED STYLE DPF installed

Replace the following:

  • DPF/DOC GASKETS (3X)

Service the following:

  • Perform the DPF MAINTENANCE (see DPF MAINTENANCE for details)

  • INSPECT THE CAC (Clean as needed - if Oil is discovered in CAC)

  • INSPECT THE EGR VALVE & SYSTEM (Remove and clean as needed)


 

36M

Please Note: All DAILY and MONTHLY "Inspections" are NOT listed here. Please go back to the Mack Engine page to locate link for Engine Routine Inspections.

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