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WJ Maintenance and Service menu

Part I: General

Maintenance information and schedules

Service intervals, capacities, part numbers and other information covering the engine, transmission, axles, transfer cases and chassis.

Part II: Maintenance parts - Removal and Installation

Air filter, cabin

Fuel filter

PCV valve (4.7L only)

Serpentine belts

Spark Plugs

Part III: Changing Fluids

Cooling system service


Part IV: Other

Chassis lube

Throttle body removal and cleaning

Part V: Specifications

Engines, all

Engines, HO

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