Jeep 2007 Commander User Manual

Page 353

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MAINTAINING YOUR VEHICLE

CONTENTS

Engine Compartment – 3.7L . . . . . . . . . . . . . . . 355
Engine Compartment – 4.7L . . . . . . . . . . . . . . . 356
Engine Compartment – 5.7L . . . . . . . . . . . . . . . 357
Onboard Diagnostic System — OBD II . . . . . . . . 358

Loose Fuel Filler Cap Message . . . . . . . . . . . . 359

Emissions Inspection And Maintenance

Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359

Replacement Parts . . . . . . . . . . . . . . . . . . . . . . 361
Dealer Service . . . . . . . . . . . . . . . . . . . . . . . . . 361

Maintenance Procedures . . . . . . . . . . . . . . . . . . 362

Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Drive Belts — Check Condition And Tension . . 365
Spark Plugs . . . . . . . . . . . . . . . . . . . . . . . . . 366
Spark Plug Wires . . . . . . . . . . . . . . . . . . . . . 366
Engine Air Cleaner Filter . . . . . . . . . . . . . . . . 366
Catalytic Converter . . . . . . . . . . . . . . . . . . . . 367
Crankcase Emission Control System . . . . . . . . 369
Maintenance-Free Battery . . . . . . . . . . . . . . . . 369

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