7 SERVICING AND MAINTENANCE Intervention Regeneration Strategy — Message Process Flow ................................ 346 Diesel Exhaust Fluid (DEF) ........................... 346 Body Lubrication ........................................... 347 Windshield Wiper Blades.............................. 347 Exhaust System ............................................ 349 Cooling System ............................................. 350 Charge Air Cooler — Inter-Cooler ................. 352 Brake System ............................................... 353 Automatic Transmission ...............................
353 Rear Axle And 4x4 Front Driving Axle Fluid Level ..................................................... 355 Transfer Case ............................................... 356 Noise Control System Required Maintenance & Warranty ............................. 356 Fuses.............................................................. 359 Bulb Replacement......................................... 366 TIRES.....................................................................
371 STORING THE VEHICLE .......................................388 BODYWORK..........................................................388 SCHEDULED SERVICING — GASOLINE ENGINE..................................................................323 Protection From Atmospheric Agents.......... 388 Body And Underbody Maintenance ............. 389 Preserving The Bodywork ............................. 389 INTERIORS ...........................................................390 Maintenance Plan – Gasoline Engine.......... 324 SCHEDULED SERVICING — DIESEL ENGINE ....327 Oil Change Indicator System — Diesel Engine ............................................................
327 Perform Service Indicator — Diesel Engine ............................................................ 328 Maintenance Plan — Diesel Engine ............. 329 ENGINE COMPARTMENT ....................................333 Seats And Fabric Parts ................................. 390 Plastic And Coated Parts .............................. 390 Leather Surfaces........................................... 391 Glass Surfaces ............................................. 391 TECHNICAL SPECIFICATIONS 6.4L Gasoline Engine ................................... 333 6.7L Diesel Engine ........................................ 334 Checking Oil Level.........................................
335 Adding Washer Fluid ..................................... 335 Maintenance-Free Battery ........................... 335 Pressure Washing ......................................... 336 VEHICLE MAINTENANCE ....................................336 VEHICLE IDENTIFICATION NUMBER (VIN) .......392 BRAKE SYSTEM ..................................................392 Hydraulic Brake Assist — If Equipped .......... 392 WHEEL AND TIRE TORQUE SPECIFICATIONS ..392 Torque Specifications................................... 392 FUEL REQUIREMENTS— GASOLINE ENGINE....393 Engine Oil ...................................................... 336 Engine Oil Filter .............................................
337 Engine Air Cleaner Filter ............................... 337 Air Conditioner Maintenance........................ 339 Accessory Drive Belt Inspection ................... 342 Draining Fuel/Water Separator Filter ......... 343 Engine Mounted Fuel Filter Replacement... 344 Underbody Mounted Fuel Filter Replacement ................................................. 344 Priming If The Engine Has Run Out Of Fuel ................................................................ 345 Tire Safety Information ................................. 371 Tires — General Information......................... 378 Tire Types.......................................................
381 Spare Tires — If Equipped............................. 382 Wheel And Wheel Trim Care......................... 384 Snow Traction Devices ................................. 385 Tire Rotation Recommendations ................. 386 DEPARTMENT OF TRANSPORTATION UNIFORM TIRE QUALITY GRADES ................... 387 6.4L Engine ................................................... 394 Reformulated Gasoline................................. 394 Materials Added To Fuel............................... 394 Gasoline/Oxygenate Blends......................... 394 Do Not Use E-85 In Non-Flex Fuel Vehicles ......................................................... 394 CNG And LP Fuel System Modifications......
395 Methylcyclopentadienyl Manganese Tricarbonyl (MMT) In Gasoline ..................... 395 Fuel System Cautions................................... 395 Treadwear...................................................... 387 Traction Grades............................................. 388 Temperature Grades..................................... 388