Jeep 2008 Grand Cherokee User Manual

Page 383

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MAINTAINING YOUR VEHICLE

CONTENTS

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

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

Ⅵ Emissions Inspection And Maintenance

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

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

Ⅵ Dealer Service . . . . . . . . . . . . . . . . . . . . . . . . . 393
Ⅵ 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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