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LUBRICATION AND MAINTENANCE
B R
G E N E R A L I N F O R M A T I O N ( C o n t i n u e d )
• Inspect brake linings.
• Flush and replace engine coolant If it has been
30,000 miles (48 000 km) or 24 months since last
change.
^Requires Service Reminder Indicator Light. I f so
equipped, these parts are to be replaced at the indi
cated mileage or when the service reminder indicator
light remains on continuously with the key in the
"ON" position, whichever occurs first.
HEAVY DUTY SCHEDULE—B
3,000 Miles (5 000 km)
• Change engine oil.
• Replace engine oil filter (8.0L only).
6,000 Miles (10 000 km)
• Change engine oil.
• Replace engine oil filter.
9,000 Miles (14 000 km)
© Change engine oil.
• Replace engine oil filter (8.0L only).
12,000 Miles (19 000 km)
• Change engine oil.
• Replace engine oil filter.
• Inspect engine air cleaner element and air
pump filter, replace as necessary.
• Clean and relubricate crankcase inlet air filter
(5.9L).
• Drain and refill automatic transmission fluid.
Replace filter and adjust bands.**
• Change rear axle fluid.
o Change front axle fluid (4x4).
• Inspect brake linings.
15,000 Miles (24 000 km)
• Change engine oil.
• Replace engine oil filter (8.0L only).
18,000 Miles (29 000 km)
® Change engine oil.
• Replace engine oil filter.
21,000 Miles (34 000 km)
• Change engine oil.
• Replace engine oil filter (8.0L only).
24,000 Miles (38 000 km)
• Change engine oil
• Replace engine oil filter.
• Replace engine air cleaner element and air
pump filter.
® Drain and refill automatic transmission fluid.
Replace filter and adjust bands.
• Change rear axle fluid.
• Change front axle fluid (4x4).
® Inspect front wheel bearings. Clean and repack,
if required (4x2).
• Inspect brake linings.
27,000 Miles (43 000 km)
• Change engine oil.
• Replace engine oil filter (8.0L only).
30,000 Miles (48 000 km)
• Change engine oil.
• Replace engine oil filter.
• Inspect P C V valve, replace as necessary
(5.9L).
• Replace spark plugs.
33,000 Miles (53 000 km)
• Change engine oil.
• Replace engine oil filter (8.0L only).
36,000 Miles (58 000 km)
• Change engine oil.
• Replace engine oil filter.
• Inspect engine air cleaner element and air
pump filter, replace as necessary.
• Drain and refill automatic transmission fluid.
Replace filter and adjust bands.**
• Drain and refill transfer case.
• Change rear axle fluid.
• Change front axle fluid (4x4).
• Inspect brake linings.
39,000 Miles (62 000 km)
• Change engine oil.
• Replace engine oil filter (8.0L only).
42,000 Miles (67 000 km)
• Change engine oil.
• Replace engine oil filter.
45,000 Miles (72 000 km)
• Change engine oil.
© Replace engine oil filter (8.0L only).
48,000 Miles (77 000 km)
• Change engine oil.
• Replace engine oil filter.
• Replace engine air cleaner element and air
pump filter.
• Drain and refill automatic transmission fluid.
Replace filter and adjust bands.
• Change rear axle fluid.
• Change front axle fluid (4x4).
• Inspect front wheel bearings. Clean and repack,
if required (4x2).
• Inspect brake linings.
• Flush and replace engine coolant.