Page 497 of 552
Schedule “B”
Follow schedule “B” if you usually operate your vehicle
under one or more of the following conditions.
•Frequent short trips where the engine does not achieve
full operating temperature (operating temperature de-
fined as 190° F (66° C ) coolant temperature).
•Extensive engine idling (over 10 minutes per hour of
operation) at ambient temperatures less than 32° F (0°
C).
•Driving in dusty conditions.
•Frequent trailer towing.
•Taxi, police, or delivery service (commercial service).
•Off-road or desert operation.
•Extensive operation at high engine speeds (greater
than 2900 rpm) and loads (greater than 70% throttle).
NOTE:IfANYof these apply to you then change your
coolant every 100,000 miles (160 000 km) or 60 months,
whichever comes first and follow schedule “B” of the
Maintenance Schedulessection of this manual.
SCHEDULE “B” 497
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Page 498 of 552
Miles 7,500 15,000 22,500 30,000 37,500
(Kilometers) (12 000) (24 000) (36 000) (48 000) (60 000)
Change engine oil and engine oil filter. X X X X X
Lubricate Front Drive Shaft Fitting (2500/3500,
4X4).XXXXX
Rotate tires. X X X X X
Check spare tire for proper pressure and correct
stowage.XXXXX
Lubricate outer tie rod ends 2500/3500 (4X4)
models.XXXXX
Check transfer case fluid level (4X4). X
Change front axle fluid (4x4) X X
Change rear axle fluid. X X
Replace fuel filter element. X X
Inspect drive belts, replace as necessary. X
Inspect brake linings. X X
Inspect and adjust parking brake if necessary. X X
498 SCHEDULE “B”
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Page 499 of 552
Miles 7,500 15,000 22,500 30,000 37,500
(Kilometers) (12 000) (24 000) (36 000) (48 000) (60 000)
Inspect front wheel bearings. X
Drain and refill automatic transmission fluid. Re-
place filter and adjust bands (48RE only)X
SCHEDULE “B” 499
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Page 500 of 552
Miles 45,000 52,500 60,000 67,500 75,000
(Kilometers) (72 000) (84 000) (96 000) (108 000) (120 000)
Change engine oil and engine oil filter. X X X X X
Lubricate Front Drive Shaft Fitting (2500/3500,
4X4).XXXXX
Rotate tires. X X X X X
Check spare tire for proper pressure and correct
stowage.XXXXX
Lubricate outer tie rod ends 2500/3500 (4X4)
models.XXXXX
Drain and refill transfer case fluid (4X4) X
Change front axle fluid (4x4) X X X
Change rear axle fluid. X X X
Flush and replace engine coolant at 60 months, if
not replaced at 100,000 miles (160 000 km).X
Inspect drive belts, replace as necessary. X X
Inspect brake linings. X X X
500 SCHEDULE “B”
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Page 501 of 552
Miles 45,000 52,500 60,000 67,500 75,000
(Kilometers) (72 000) (84 000) (96 000) (108 000) (120 000)
Inspect and adjust parking brake if necessary. X X X
Inspect front wheel bearings. X
Replace fuel filter element. X X X
Change 6 — speed manual transmission (G-56)
fluid.X
Drain and refill automatic transmission fluid. Re-
place filter and adjust bands (48RE only)X
SCHEDULE “B” 501
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Page 502 of 552
Miles 82,500 90,000 97,500 100,000 105,000
(Kilometers) (132 000) (144 000) (156 000) (160 000) (168 000)
Change engine oil and engine oil filter. X X X X
Lubricate Front Drive Shaft Fitting (2500/3500,
4X4).XXX X
Rotate tires. X X X X
Check spare tire for proper pressure and correct
stowage.XXX X
Lubricate outer tie rod ends 2500/3500 (4X4)
models.XXX X
Flush and replace engine coolant, if not replaced
at 60 mos.X
Check transfer case fluid level (4X4). X
Change front axle fluid (4x4). X X
Change rear axle fluid. X X
Inspect drive belt, replace as required. X
Replace fuel filter element. X X
502 SCHEDULE “B”
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Page 503 of 552
Miles 82,500 90,000 97,500 100,000 105,000
(Kilometers) (132 000) (144 000) (156 000) (160 000) (168 000)
Inspect front wheel bearings. X
Inspect brake linings. X X
Inspect and adjust parking brake if necessary. X X
Drain and refill automatic transmission fluid. Re-
place filter and adjust bands (48 RE only).X
SCHEDULE “B” 503
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Page 504 of 552
Miles 112,500 120,000 127,500 135,000 142,500 150,000
(Kilometers) (181 000) (193 000) (205 000) (217 000) (229 000) (241 000)
Change engine oil and engine oil filter. X X X X X X
Lubricate Front Drive Shaft Fitting (2500/
3500, 4X4).X X XXXX
Rotate tires. X X X X X X
Check spare tire for proper pressure and cor-
rect stowage.X X XXXX
Lubricate outer tie rod ends 2500/3500 (4X4)
models.X X XXXX
Flush and replace engine coolant at 120
months, if not replaced at 100,000 miles (160
000 km).X
Clean engine air filter assembly.X
Inspect drive belt, replace as required. X X
Change front axle fluid (4x4). X X X
Change rear axle fluid. X X X
504 SCHEDULE “B”
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