Replace engine oil & oil filter
15.000 miles (under normal driving conditions)
7.000 miles (under severe driving conditions)
Replace fuel filter
15.000 miles / 12 months
Flush engine cooling system
100.000 miles / 5 years
Inspect water pump
15.000 miles (inspect weep hole for blockage)
Replace automatic transmission fluid & filter (48RE gearbox)
100.000 miles
Adjust automatic transmission bands (48RE gearbox)
100.000 miles
Replace manual transmission fluid
60.000 miles
Replace transfer case fluid
120.000 miles (under normal driving conditions)
60.000 miles (under severe driving conditions)
Replace front differential fluid
(4×4 vehicles)
15.000 miles (under severe driving conditions)
50.000 miles (under normal driving conditions)
Replace rear differential fluid
15.000 miles (under severe driving conditions)
50.000 miles (under normal driving conditions)
Check and adjust valve lash
150.000 miles
Engine oil
15W-40 (outside temperature > 0° F)
5W-40 full synthetic (all outside temperature)
12.0 qts w/ filter
Engine coolant
50/50 mixture MOPAR 68048953AB antifreeze and distilled water
~ 6 gallons
Automatic transmission fluid
MOPAR ATF+4 automatic transmission fluid
14 - 17 qts total
Manual transmission fluid (6 speed)
MOPAR manual transmission fluid
4.0 qts
Transfer case fluid
MOPAR ATF+4 automatic transmission fluid
1.25 qts (NV231HD)
2.3 qts (NV241)
3.25 qts (NV241HD)
Front differential fluid
SAE 75W-90 GL-5 synthetic gear oil
2.45 qts
Rear differential fluid
SAE 75W-90 or 75W-140 (preferred for towing) GL-5 synthetic gear oil
2.7 qts (10.5" AMM)
3.8 qts (11.5" AMM)
