Jeep 2008 Grand Cherokee User Manual

Page 383

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MAINTAINING YOUR VEHICLE

CONTENTS

Engine Compartment – 3.7L . . . . . . . . . . . . . . . 386
Engine Compartment – 4.7L . . . . . . . . . . . . . . . 387
Engine Compartment – 5.7L . . . . . . . . . . . . . . . 388
Engine Compartment – 3.0L Diesel . . . . . . . . . . 389
Onboard Diagnostic System — OBD II . . . . . . . . 390

Loose Fuel Filler Cap Message . . . . . . . . . . . . 391

Emissions Inspection And Maintenance

Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391

Replacement Parts . . . . . . . . . . . . . . . . . . . . . . 393

Dealer Service . . . . . . . . . . . . . . . . . . . . . . . . . 393
Maintenance Procedures . . . . . . . . . . . . . . . . . . 394

Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . 394
Drive Belts — Check Condition And Tension . . 398
Spark Plugs . . . . . . . . . . . . . . . . . . . . . . . . . 398
Spark Plug Wires . . . . . . . . . . . . . . . . . . . . . 398
Engine Air Cleaner Filter . . . . . . . . . . . . . . . . 398
Catalytic Converter . . . . . . . . . . . . . . . . . . . . 399
Crankcase Emission Control System . . . . . . . . 400

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