Maintenance

Scheduled Maintenance Chart 

3,000 Miles(4,800 km)
100 Hrs Normal Use or 50 Hrs Severe Operation
-Change Engine Oil and Replace Filter
-Check Items in Maintenance Group A

6,000 Miles(9,700 km)
200 Hrs Normal Use or 100 Hrs Severe Operation
-Change engine oil and replace filter
-Clean or replace air filter
-Replace fuel filter element
-Check Items in Maintenance Groups A and B

9,000 Miles(14,500 km)
300 Hrs Normal Use or 150 Hrs Severe Operation
-Change engine oil and replace filter
-Check Items in Maintenance Groups A and B

12,000 Miles (19,300km)
400 Hrs Normal Use or 250 Hrs Severe Operation
-Change engine oil and replace filter
-Clean or replace air filter
-Replace fuel filter element
-Change geared hub oil
-Change axle oil
-Change engine coolant
-Change transmission and transfer case fluid
-Change transmission filter
-Check Items in Maintenance Groups A, B, and C

15,000 Miles(24,300 km)
400 Hrs Normal Use or 200 Hrs Severe Operation
-Change engine oil and replace filter
-Check Items in Maintenance Groups A and B

18,000 Miles(29,000 km)
600 Hrs Normal Use or 300 Hrs Severe Operation
-Change engine oil and replace filter
-Clean or replace air filter
-Replace fuel filter element
-Check Items in Maintenance Groups A and B

21,000 Miles(33,800 km)
700 Hrs Normal Use or 350 Hrs Severe Operation
-Change engine oil and replace filter
-Check Items in Maintenance Groups A and B

24,000 Miles (38,600km)
800 Hrs Normal Use or 400 Hrs Severe Operation
-Change engine oil and replace filter
-Clean or replace air filter
-Replace fuel filter element
-Change geared hub oil
-Change axle oil
-Change engine coolant
-Change transmission and transfer case fluid
-Change transmission filter
-Inspect brake fluid for moisture contamination
-Check Items in Maintenance Groups A, B, and C

27,000 Miles (43, 400 km)
900 Hrs Normal Use or 450 severe Operation
-Change engine oil and replace filter
-Check Items in Maintance Groups A

30,000 Miles (48, 300 km)
1,000 Hrs Normal Use or 500 severe Operation
-Change engine oil and replace filter
-Clean or replace air filter
-Replace fuel filter elemnet
-Check items in Maintenance Groups A and B

*Maintenance After Severe Operation
Severe operation includes extensive off-road

Maintenance Inspection Group A:

-Check fluid levels and conditions for power steering pump cooling system(reservoir and surge tank), brakes, transmission, transfer case, geared hubs, and axles.
-Check CDR valve for oil saturation
-Inspect condition of control arms, springs, and shock absorbers
-Check tire wear and condition
-Lubricate all grease fittings and body lubrication points
-Inspect geared hubs for leaking seals or damage
-Inspect condition of geared hub and axle vent lines
-Inspect Transmission transfer case shift linkage for wear, binding, distortion
-Check Fuel Filter and drain clean if necessary
-Check CTIS operation. Verify that system inflates/deflates tires
-Check winch operation and cable condition(If equipped). Free-Spool out and pay-in at least 30 feet of cable
-Check ball joints for wear
-Test drive vehicle and complete a functional check of all systems
-Check air cleaner
Maintenance Inspection Group B:
-Inspect fuel injection pump, lines, and fittings for leaks or damage
-Check battery voltage and condition
-Inspect serpentine belt condition
-Inspect exhaust system and shields
-Inspect and rotate tires
-Inspect half shaft boots and ball join seals
-Inspect condition of steering column, U-Joints, tie rods, steering arm, center link, and idler arm
-Check fuel tank vent line filter
-Inspect condition of frame rails and cross members
-Check A C system operation
-Check wheel alignment

Maintenance Inspection Group C:
-Inspect surge tank, radiator and shroud, A C condenser, power steering, and transmission coolers, and all hoses and fittings for security of mounting, leaks, obstructions or damage
-Inspect fuel tank, lines, and cap
-Inspect all wiring harnesses for frays, splits, missing insulation, poor connections.
-Inspect power steering pump, power steering gear, hoses, lines, and fittings for leaks or damage