MAINTAINING YOUR VEHICLE
CONTENTS
䡵 ENGINE COMPARTMENT — 3.6L ...........613
䡵 ENGINE COMPARTMENT — 5.7L ...........614
䡵 ENGINE COMPARTMENT — 6.4L ...........615
䡵 ONBOARD DIAGNOSTIC SYSTEM (OBD II) . . . .616
▫ Onboard Diagnostic System (OBD II)
Cybersecurity .........................616
▫ Loose Fuel Filler Cap Message .............617
䡵 EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ...........................617
䡵 REPLACEMENT PARTS ...................618
䡵 DEALER SERVICE .......................618
䡵 MAINTENANCE PROCEDURES .............619
▫ Engine Oil ...........................619
▫ Engine Oil Filter .......................622
▫ Engine Air Cleaner Filter .................622
▫ Accessory Drive Belt Inspection ............625
▫ Maintenance-Free Battery .................626
▫ Air Conditioner Maintenance ..............627
▫ Front Driveshaft Lubrication — 2500/3500
(Four-Wheel Drive Models Only) ............633
▫ Body Lubrication ......................634
▫ Windshield Wiper Blades .................635
▫ Adding Washer Fluid ...................638
▫ Exhaust System ........................638
▫ Cooling System ........................640
▫ Brake System .........................645
▫ Rear Axle And 4x4 Front Driving Axle Fluid
Level ...............................646
▫ Transfer Case .........................648
▫ Automatic
Transmission ..................648
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