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MAINTAINING YOUR VEHICLE
CONTENTS
䡵 ENGINE COMPARTMENT — 3.6L ...........617
䡵 ENGINE COMPARTMENT — 5.7L ...........618
䡵 ENGINE COMPARTMENT — 6.4L ...........619
䡵 ONBOARD DIAGNOSTIC SYSTEM (OBD II) . . . .620
▫ Onboard Diagnostic System (OBD II)
Cybersecurity .........................620
▫ Loose Fuel Filler Cap Message .............621
䡵 EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ...........................621
䡵 REPLACEMENT PARTS ...................622
䡵 DEALER SERVICE .......................622
䡵 MAINTENANCE PROCEDURES .............623
▫ Engine Oil ...........................623
▫ Engine Oil Filter .......................626
▫ Engine Air Cleaner Filter .................626
▫ Accessory Drive Belt Inspection ............629
▫ Maintenance-Free Battery .................630
▫ Air Conditioner Maintenance ..............631
▫ Front Driveshaft Lubrication — 2500/3500
(Four-Wheel Drive Models Only) ............637
▫ Body Lubrication ......................637
▫ Windshield Wiper Blades .................638
▫ Adding Washer Fluid ...................641
▫ Exhaust System ........................641
▫ Cooling System ........................643
▫ Brake System .........................649
▫ Rear Axle And 4x4 Front Driving Axle
Fluid Level ...........................650
▫ Transfer Case .........................651
▫ Automatic
Transmission ..................651
7
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