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Professionals built on Integrity, who strive for Excellence

Oil Capacity

Normal oil change (including filters)

  • VN D12 (8.75 gallons)
  • VN D13 (9.5 gallons)

Every 400K Miles-either clean the ash from DPF or replace DPF

After-treatment Device

Inspect external hardware and connections at every oil change.

  • VN D12 (8.75 gallons)
  • VN D13 (9.5 gallons)


  • Oil filters and Fuel filters
  • Grease chassis
  • Coolant filter
  • Grease Clutch


  • Coolant Test
  • Belts & Pulleys
  • Drive Line
  • Engine Air Filter
  • Cab Air Filter
  • Accessory Drive
  • Suspension Bushing/Axle Torque Rods
  • Clutch Reservoir Fluid Level
  • Oil Levels in Diff/Transmission
  • Fuel Tank Ventilation Filter

Regular Valve Adjustment Maintenance every 150k-200k miles

Every 150k Miles

+ Vehicles built through April 2012, CLEAN the after-treatment hydrocarbon doser
– (2584-11-02-01 After-treatment Doser, Clean)
+ Vehicles built May 2012 and newer REPLACE the after-treatment hydrocarbon doser
+ Drain DEF tank, replace DEF pump main filter and clean DEF tank neck filter at the following intervals.


  • Door Lock Mechanism
  • Hood Lock Level
  • Driveshaft


  • Power Steering Reservoir w/ Dexron III

Copyright © TAT Express Inc. Dallas Diesel Repair
4140 Langdon Rd., Dallas, TX 75241 Phone: (972)225-3017

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