Maintenance chedule M 43 Miles 7,500 15,000 22,500 30,000 37,500 (Kilometers) (12 000) (24 000) (36 000) (4 000) (60 000) [Months] [6] [12] [1] [24] [30] hange engine oil and engine oil filter. ubricate Front rive haft Fitting (44). Rotate tires. heck spare tire for proper pressure and correct stowage. ubricate outer tie rod ends. heck transfer case fluid level (44). hange front axle fluid (3500/4500/5500 44) (iesel ngine only). hange rear axle fluid (3500 44 and 42) (iesel ngine Only) hange automatic transmission fluid. Replace fuel filter element. M
M 44 M Miles 7,500 15,000 22,500 30,000 37,500 (Kilometers) (12 000) (24 000) (36 000) (4 000) (60 000) [Months] [6] [12] [1] [24] [30] nspect brake linings. nspect and adjust parking brake if necessary. nspect fan hub. nspect damper. nspect front wheel bearings. nspect drive belt, replace as necessary.
M 45 Miles 45,000 52,500 60,000 67,500 75,000 (Kilometers) (72 000) (4 000) (97 000) (109 000) (121 000) [Months] [36] [42] [4] [54] [60] hange engine oil and engine oil filter. ubricate Front rive haft Fitting (44). Rotate tires. heck spare tire for proper pressure and correct stowage. ubricate outer tie rod ends. rain and refill transfer case fluid (44). hange front axle fluid (3500/4500/5500 44) (iesel ngine only). hange rear axle fluid (3500 44 and 42) (iesel ngine only) hange rear axle fluid (4500/5500 44 and 42). hange automatic transmission fluid. hange manual transmission fluid. M
M 46 M Miles 45,000 52,500 60,000 67,500 75,000 (Kilometers) (72 000) (4 000) (97 000) (109 000) (121 000) [Months] [36] [42] [4] [54] [60] Flush and replace engine coolant at 60 months, if not replaced at 100,000 miles (160 000 km). nspect drive belt, replace as necessary. Replace fuel filter element. nspect brake linings. nspect and adjust parking brake if necessary. nspect fan hub. nspect damper. nspect front wheel bearings. Replace rankcase Ventilation Filter (V).
M 47 Miles 2,500 90,000 97,500 100,000 105,000 (Kilometers) (133 000) (145 000) (157 000) (160 000) (169 000) [Months] [66] [72] [7] [4] hange engine oil and engine oil filter. ubricate Front rive haft Fitting (44). Rotate tires. heck spare tire for proper pressure and correct stowage. ubricate outer tie rod ends. Flush and replace engine coolant, if not replaced at 60 mos. heck transfer case fluid level (44). hange front axle fluid (3500/4500/5500 44) (iesel ngine only). hange rear axle fluid (3500 44 and 42) (iesel ngine only). hange automatic transmission fluid. nspect drive belt, replace as required.* M
M 4 M Miles 2,500 90,000 97,500 100,000 105,000 (Kilometers) (133 000) (145 000) (157 000) (160 000) (169 000) [Months] [66] [72] [7] [4] nspect fan hub. nspect damper. Replace fuel filter element. nspect front wheel bearings. nspect brake linings. nspect and adjust parking brake if necessary.
M 49 Miles 112,500 120,000 127,500 135,000 142,500 150,000 (Kilometers) (11 000) (193 000) (205 000) (217 000) (229 000) (241 000) [Months] [90] [96] [102] [10] [114] [120] hange engine oil and engine oil filter. ubricate Front rive haft Fitting (44). Rotate tires. heck spare tire for proper pressure and correct stowage. ubricate outer tie rod ends. Flush and replace engine coolant at 120 months, if not replaced at 100,000 miles (161 000 km). nspect drive belt, replace as required.* rain and refill transfer case fluid (44). heck transfer case fluid level (44). hange front axle fluid (3500/4500/5500 44) ( iesel ngine only). M
M 490 M Miles 112,500 120,000 127,500 135,000 142,500 150,000 (Kilometers) (11 000) (193 000) (205 000) (217 000) (229 000) (241 000) [Months] [90] [96] [102] [10] [114] [120] hange rear axle fluid (3500 44 and 42) (iesel ngine only). hange rear axle fluid (4500/5500 44 and 42). hange automatic transmission fluid. hange manual transmission fluid. nspect fan hub. nspect damper. Replace fuel filter element. nspect front wheel bearings. nspect brake linings. nspect and adjust parking brake if necessary. djust valve lash clearance. Replace rankcase Ventilation Filter (V).
nspection and service should also be performed anytime a malfunction is observed or suspected. Retain all receipts. *his maintenance is not required if belt was previously replaced. WRG! You can be badly injured working on or around a motor vehicle. o only that service work for which you have the knowledge and the right equipment. f you have any doubt about your ability to perform a service job, take your vehicle to a competent mechanic. M 491 M 5.7 G G he oil change indicator system will remind you that it is time to take your vehicle in for scheduled maintenance. he hange Oil message will flash in the instrument cluster odometer and a single chime will sound, indicating that an oil change is necessary. Based on engine operation conditions the oil change indicator message will illuminate, this means that service is required for your vehicle. ave your vehicle serviced as soon as possible, within the next 500 miles (05 km). O: he oil change indicator message will not monitor the time since the last oil change. hange your vehicles oil if it has been 6 months since your last oil change even if the oil change indicator message is O illuminated. M
M 492 M hange your engine oil more often if you drive your vehicle off-road for an extended period of time. nder no circumstances should oil change intervals exceed 6,000 miles (10,000 km) or 6 months, whichever comes first. Your dealer will reset the oil change indicator message after completing the scheduled oil change. f this scheduled oil change is performed by someone other than your dealer the message can be reset by referring to the steps described under Odometer/rip Odometer under nstrument luster escription in ection 4 of this manual. t ach top for Fuel heck the engine oil level about 5 minutes after a fully warmed engine is shut off. hecking the oil level while the vehicle is on level ground will improve the accuracy of the oil level reading. dd oil only when the level is at or below the or M mark. heck the windshield washer solvent and add if required. Once a Month heck tire pressure and look for unusual wear or damage. nspect the battery and clean and tighten the terminals as required. heck the fluid levels of coolant reservoir, brake master cylinder, power steering and transmission and add as needed. heck all lights and other electrical items for correct operation.
t ach Oil hange hange the engine oil filter. nspect the brake hoses and lines. heck the Manual ransmission fluid level. M 493 O! Failure to perform the required maintenance items may result in damage to the vehicle. M
M 494 M Required Maintenance ntervals Perform Maintenance very (Where time and mileage are listed, follow the interval that occurs first.) Maintenance tems Miles Kilometers or Months hange the engine oil and engine oil filter. 6,000 10 000 6 Rotate ires. 6,000 10 000 6 ubricate outer tie rod ends. 6,000 10 000 6 ube Front rive haft Fitting (4x4 only). 6,000 10 000 6 f using your vehicle for any of the following: usty or off-road conditions. nspect the engine air cleaner 12,000 20 000 12 filter, replace if necessary. nspect the brake linings, replace if necessary. 12,000 20 000 12 nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent 1,000 30 000 1 trailer towing (Gas ngine Only). nspect the V Joints. Perform the first inspection at 12,000 miles (20 000 km) or 12 months. 24,000 40 000 24
M 495 Perform Maintenance very (Where time and mileage are listed, follow the interval that occurs first.) Maintenance tems Miles Kilometers or Months nspect xhaust ystem. Perform the first inspection at 12,000 miles (20 000 km) or 12 months. 24,000 40 000 24 nspect the front suspension, tie rod ends and boot seals, replace if necessary. 24,000 40 000 24 Replace the engine air cleaner filter. 30,000 50 000 30 nspect the transfer case fluid. 30,000 50 000 30 Replace the spark plugs on 5.7 engines. 30,000 50 000 30 hange the automatic transmission fluid & filter and change main sump filter and spin-on cooler return filter (if equipped), if using your vehicle for any of the 60,000 100 000 60 following: police, taxi, fleet or frequent trailer towing. hange the transfer case fluid if using your vehicle for any of the following: police, taxi, fleet, off-road or frequent trailer towing. 60,000 100 000 60 M
M 496 M Perform Maintenance very (Where time and mileage are listed, follow the interval that occurs first.) Maintenance tems Miles Kilometers or Months hange the manual transmission fluid if using your vehicle for any of the following: trailer towing, snowplowing, heavy loading, taxi, police, delivery service (commercial service), off-road, desert operation or 60,000 100 000 60 more then 50% of your driving is at sustained high speeds during hot weather, above 90F (32 ). nspect and replace PV valve if necessary. 90,000 150 000 90 Flush and replace the engine coolant. 102,000 170 000 60 hange the automatic transmission fluid & filter and change main sump filter and spin-on cooler return 120,000 200 000 120 filter (if equipped). Replace ccessory rive Belt(s). 120,000 200 000 120