150000 MI or 240000 KM
InspectFluid - Differential
Check front/rear axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.
Replace
Fluid Filter - A/T
Vehicles with Allison transmission replace the external spin-on filter only. The sump filter is only changed during overhaul. TSB 05-00-90-005.
Fluid - A/T
Manual transmission fluid does not require change.
Flush
Cooling System
Drain, flush and refill cooling system (or every 60 months since last service, whichever occurs first). Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling system and pressure cap.