O missions ontrol ystem aintenance... 564 Required aintenance ntervals... 566 aintenance chedule... 564
564 O ORO Y he cheduled aintenance services listed in bold type must be done at the times or mileages specified to ensure the continued proper functioning of the emissions control system. hese and all other maintenance services included in this manual, should be done to provide best vehicle performance and reliability. ore frequent maintenance may be needed for vehicles in severe operating conditions, such as dusty areas and very short trip driving. nspection and service should also be done anytime a malfunction is suspected. O: aintenance, replacement or repair of the emissions control devices and systems on your vehicle may be performed by any automotive repair establishment or individual using any automotive part that has been certified pursuant to.. P or in the tate of alifornia, alifornia ir Resources Board regulations. he oil change indicator system will remind you that it is time to take your vehicle in for scheduled maintenance. On lectronic Vehicle nformation enter (V) equipped vehicles, Oil hange Required will be displayed in the V and a single chime will sound, indicating that an oil change is necessary. On on-v equipped vehicles, hange Oil 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. his 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 vehicle s oil if it has been six months since your last oil change even if the oil change indicator message is O illuminated. 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 six months, whichever comes first. Your authorized dealer will reset the oil change indicator message after completing the scheduled oil change. f a scheduled oil change is performed by someone other than your authorized dealer, the message can be reset by referring to the steps described under lectronic Vehicle nformation enter (V)/Oil hange Required in 565 nderstanding Your nstrument Panel or under nstrument luster escription/odometer/rip Odometer in nderstanding Your nstrument Panel for further information. t ach top for Fuel heck the engine oil level about five 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 mark. heck the windshield washer solvent and add if required.
566 Once a onth 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 the coolant reservoir, brake master cylinder, and transmission and add as needed. heck all lights and other electrical items for correct operation. t ach Oil hange hange the engine oil nspect the brake hoses and lines. O! Failure to perform the required maintenance items may result in damage to the vehicle. Required aintenance ntervals O: ** Vehicles built with the 4.7 engine are equipped with sixteen spark plugs. One set is located on the top of the engine under the coils and the second set is located on the side of the engine. he spark plugs located under the coils are a standard plug and must be changed every 4,000 miles (0 000 km). he spark plugs located on the side of the engine are a premium plug and must be changed every 96,000 miles (160 000 km).
6,000 iles (10,000 km) or 6 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect exhaust system (including 12,000 iles (20,000 km) or 12 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the ube the front drive shaft fitting nspect the brake linings, replace if necessary. nspect the V joints. Perform the first inspection at 12,000 miles (20 000 km) or 12 months. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including 567 ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
56 1,000 iles (30,000 km) or 1 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road, snow plowing or frequent trailer towing. nspect exhaust system (including 24,000 iles (40,000 km) or 24 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the ube the front drive shaft fitting nspect the brake linings, replace if necessary. nspect the V joints. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
30,000 iles (50,000 km) or 30 onths aintenance ervice chedule hange the engine oil and engine oil Replace the engine air cleaner Replace the spark plugs (3.7 and 5.7 ngines). ube the front drive shaft fitting nspect the transfer case fluid. djust parking brake on vehicles equipped with four-wheel disc brakes. nspect exhaust system (including 36,000 iles (60,000 km) or 36 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the ube the front drive shaft fitting nspect the brake linings, replace if necessary. nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road, snow plowing or frequent trailer towing. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including 569 ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
570 42,000 iles (70,000 km) or 42 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect exhaust system (including 4,000 iles (0,000 km) or 4 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the Replace the top row of spark plugs (4.7 ngine). ** ube the front drive shaft fitting nspect the brake linings; replace if necessary. nspect the V joints. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
54,000 iles (90,000 km) or 54 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road, snow plowing or frequent trailer towing. nspect exhaust system (including 571 ealer ode ignature, uthorized ervice enter
572 60,000 iles (100,000 km) or 60 onths aintenance ervice chedule hange the engine oil and engine oil Replace the engine air cleaner Replace the ignition cables (3.7 ngine). Replace the spark plugs (3.7 and 5.7 ngines). ube the front drive shaft fitting nspect the brake linings; replace if necessary. hange the automatic transmission fluid and filter if using your vehicle for any of the following: police, taxi, fleet, snow plowing or frequent trailer towing. hange the transfer case fluid if using your vehicle for any of the following: police, taxi, fleet, snow plowing or frequent trailer towing. Flush and replace the engine coolant at 60 months if not done at 102,000 miles (170 000 km). nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for damage, wear, improper looseness or end play; replace if necessary. djust parking brake on vehicles equipped with four-wheel disc brakes. nspect exhaust system (including ealer ode ignature, uthorized ervice enter
66,000 iles (110,000 km) or 66 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect exhaust system (including 72,000 iles (120,000 km) or 72 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the ube the front drive shaft fitting nspect the brake linings; replace if necessary. nspect the V joints. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road, snow plowing or frequent trailer towing. nspect exhaust system (including 573 ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
574 7,000 iles (130,000 km) or 7 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect exhaust system (including 4,000 iles (140,000 km) or 4 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the ube the front drive shaft fitting nspect the brake linings; replace if necessary. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
90,000 iles (150,000 km) or 90 onths aintenance ervice chedule hange the engine oil and engine oil Replace the engine air cleaner Replace the spark plugs (3.7 and 5.7 ngines). nspect and replace PV valve if necessary. ube the front drive shaft fitting nspect the transfer case fluid. nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road, snow plowing or frequent trailer towing. djust parking brake on vehicles equipped with four-wheel disc brakes. nspect exhaust system (including 575 ealer ode ignature, uthorized ervice enter
576 96,000 iles (160,000 km) or 96 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the Replace the top row of spark plugs (4.7 ngine). ** Replace the side row of spark plugs (4.7 ngine). ** Replace the ignition cables (4.7 ngine). ube the front drive shaft fitting nspect the brake linings; replace if necessary. nspect the V joints. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including 102,000 iles (170,000 km) or 102 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting Flush and replace the engine coolant if not done at 60 months. nspect exhaust system (including ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
10,000 iles (10,000 km) or 10 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the ube the front drive shaft fitting nspect the brake linings; replace if necessary. nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road, snow plowing or frequent trailer towing. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including 577 114,000 iles (190,000 km) or 114 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect exhaust system (including ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
57 120,000 iles (200,000 km) or 120 onths aintenance ervice chedule hange the engine oil and engine oil Replace the engine air cleaner Replace the ignition cables (3.7 ngine). Replace the spark plugs (3.7 and 5.7 ngines). ube the front drive shaft fitting nspect the brake linings; replace if necessary. nspect the V joints. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for damage, wear, improper looseness or end play; replace if necessary. hange the automatic transmission fluid and filter(s). hange the transfer case fluid if using your vehicle for any of the following: police, taxi, fleet, snow plowing or frequent trailer towing. Replace the accessory drive belt(s). djust parking brake on vehicles equipped with four-wheel disc brakes. nspect exhaust system (including ealer ode ignature, uthorized ervice enter
126,000 iles (210,000 km) or 126 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road, snow plowing or frequent trailer towing. nspect exhaust system (including 132,000 iles (220,000 km) or 132 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the ube the front drive shaft fitting nspect the brake linings; replace if necessary. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including 579 ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
50 13,000 iles (230,000 km) or 13 onths aintenance ervice chedule hange the engine oil and engine oil ube the front drive shaft fitting nspect exhaust system (including 144,000 iles (240,000 km) or 144 onths aintenance ervice chedule hange the engine oil and engine oil f using your vehicle for any of the following: usty or off-road conditions. nspect the Replace the top row of spark plugs (4.7 ngine). ** ube the front drive shaft fitting nspect the brake linings; replace if necessary. nspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road, snow plowing or frequent trailer towing. nspect the V joints. nspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for nspect exhaust system (including ealer ode ealer ode ignature, uthorized ervice enter ignature, uthorized ervice enter
150,000 iles (250,000 km) or 150 onths aintenance ervice chedule hange the engine oil and engine oil Replace the engine air cleaner Replace the spark plugs (3.7 and 5.7 ngines). ube the front drive shaft fitting nspect the transfer case fluid. djust parking brake on vehicles equipped with four-wheel disc brakes. nspect exhaust system (including 51 his maintenance is recommended by the manufacturer to the owner, but is not required to maintain emissions warranty. WRG! You can be badly injured working on or around a motor vehicle. o only 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. Failure to properly inspect and maintain your vehicle could result in a component malfunction and effect vehicle handling and performance. his could cause an accident ealer ode ignature, uthorized ervice enter