Hey i thought this might help. Try a website called
http://www.fixedpricecarservice.com.au. I found this really good to find the best deal around. Here is what is involved in the 40k service.
Make: NISSAN
Carline: NAVARA 2.5 Litre D40 TD 4x4 / 4WD Utility / Man / Diesel / 4cyl / 2007-2011
Service: Interval / 40,000km / 24mth
Job instructions
Pressure Test Cooling system (Report Glycol/Inhibitor condition)
Inspect Wheel Bearings (Freeplay)
Inspect Brakes (Hydraulics/Cylinders/Hoses/Pipes/Clean)
Inspect & Adjust Brake/Clutch Free Play
Inspect & Adjust Park Brake & Linings
Road Test (Check & Report on Engine/Trans/Brakes/Steering/Suspension)
Inspect Seatbelts (Operation)
Inspect & Lube All Locks and Hinges
Inspect Lights/Washers/Horn/Indicator Switch/A.C. Operation
Inspect and Inflate Tyres (Including Spare)
Inspect Battery (Levels/Security/Clean Terminals)
Inspect Air Filter
Inspect/Adjust Drive Belts
Inspect Cooling System (Levels/Hoses/Leaks)
Inspect/Top Up all Fluid Levels
Change Engine Oil & Filter
Inspect/ Top Up Trans. & Diff (Levels/Leaks)
Inspect Underbody (Security/Leaks)
Inspect Exhaust
Inspect Steering/Suspension/Engine Mounts
Inspect Brake Pads & Discs Front & Rear
Inspect Power Steering Hoses (Leaks/Condition)
Inspect CV's & Drive Shafts (Joints/Boots/Leaks/Damage)
Reset Service Lights
Replace Diff Oil
Flush Brake Fluid
Replace Front Diff Oil
Replace Transfer Case Oil
Service Notes
Wheel Alignment As Required (Extra Cost)
Replace Manual Transmission Oil as Required (Extra Cost)
Rotate & Balance Tyres As Required (Extra Cost)
Parts
Engine Oil -- Synthetic - 6 unit(s)
Fuel Filter - 1 unit(s)
Oil Filter - 1 unit(s)
Air Filter - 1 unit(s)
Cabin Filter - 1 unit(s)
Flush Brake Fluid Material - 1 unit(s)
Replace Transfer Case Oil Material - 1 unit(s)
Replace Front Diff Oil Material - 1 unit(s)
Replace Diff Oil Material - 1 unit(s)
Hope this helps