Maintaining Your Vehicle - Jeep 2007 Grand Cherokee Series Owner's Manual

CONTENTS
Engine Compartment - 3.7L . . . . . . . . . . . . . . . 354
Engine Compartment - 4.7L . . . . . . . . . . . . . . . 355
Engine Compartment - 5.7L . . . . . . . . . . . . . . . 356
Engine Compartment - 3.0L Diesel . . . . . . . . . . 357
Onboard Diagnostic System - OBD II . . . . . . . . 358
Loose Fuel Filler Cap Message . . . . . . . . . . . . 358
Emissions Inspection And Maintenance
Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . 361

MAINTAINING YOUR VEHICLE

Dealer Service . . . . . . . . . . . . . . . . . . . . . . . . . 361
Maintenance Procedures . . . . . . . . . . . . . . . . . . 362
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Drive Belts - Check Condition And Tension . . 366
Spark Plugs . . . . . . . . . . . . . . . . . . . . . . . . . 367
Spark Plug Wires . . . . . . . . . . . . . . . . . . . . . 367
Engine Air Cleaner Filter . . . . . . . . . . . . . . . . 367
Catalytic Converter . . . . . . . . . . . . . . . . . . . . 368
Crankcase Emission Control System . . . . . . . . 369
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