Positioning:
        
        
            The Jeep Wrangler TJ is an iconic, purpose-built off-road vehicle. This manual serves enthusiasts and professional mechanics working on this rugged and capable platform.
        
     
    
    
        
            Competitors:
        
        
            Competes with vehicles like the Ford Bronco (older models) and Toyota FJ Cruiser (later models) in the off-road utility segment, though the Wrangler's continuous production and dedicated fanbase set it apart.
        
     
    
    
        
            Design:
        
        
            Classic body-on-frame construction, solid front and rear axles, removable doors and top, exceptional ground clearance, and robust 4x4 systems define the TJ Wrangler.
        
     
    
        
            Manual Value:
        
        
            This comprehensive manual provides the technical expertise needed to maintain, diagnose, and repair the 2005 Jeep Wrangler TJ, ensuring its legendary capabilities are preserved.
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine (4.0L), Transmission (42RLE Automatic, NV3550 Manual), Transfer Case (NV241OR) diagnostics, repair, and overhaul.
        
     
    
        
            Chassis:
        
        
            Suspension (Solid Axles, Coil Springs), Steering (Power Steering System), Brakes (Front Disc, Rear Drum/Disc), Driveline (U-joints, Axle Shafts).
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, ECU, sensors, actuators, lighting, power accessories, charging system, starting system.
        
     
    
        
            Body And Frame:
        
        
            Body panel removal/installation, convertible top service, frame inspection and repair, interior trim, HVAC system.
        
     
    
    
        
            Maintenance:
        
        
            Oil changes, filter replacements, fluid checks and flushes, tune-ups, lubrication.
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs), electrical system testing.
        
     
    
        
            Repair:
        
        
            Component removal, disassembly, inspection, assembly, and reinstallation for all major systems.
        
     
    
        
            Specifications:
        
        
            Torque specifications, clearances, measurements, fluid capacities, and resistance values.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering everything from basic fluid checks and filter replacements to complete engine and transmission rebuilds, including detailed electrical diagnostics.
        
     
 
    
    
    
        
            Quality:
        
        
            High-resolution PDF, clear text, and legible diagrams.
        
     
    
        
            Searchability:
        
        
            Fully searchable text for quick access to specific information.
        
     
    
    
        
            Printability:
        
        
            Printable pages for on-the-job use.
        
     
    
    
        
            Binding:
        
        
            Digital (PDF) - No physical binding.
        
     
    
    
        
            Paper:
        
        
            N/A (Digital Format)
        
     
 
    
    
    
        
            Engine Type:
        
        
            4.0L Inline 6-Cylinder (242 c.i.d.)
        
     
    
    
    
        
            Horsepower:
        
        
            190 hp @ 4600 rpm
        
     
    
        
            Torque:
        
        
            235 lb-ft @ 3200 rpm
        
     
    
    
        
            Fuel Delivery:
        
        
            Multi-port Electronic Fuel Injection (MPI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, 87 octane (minimum)
        
     
    
    
        
            Bore X Stroke:
        
        
            3.875 in x 3.414 in (98.4 mm x 86.7 mm)
        
     
    
    
        
            Firing Order:
        
        
            1-5-3-6-2-4
        
     
    
        
            Valvetrain:
        
        
            Overhead Valve (OHV), 2 valves per cylinder, Hydraulic Valve Lifters
        
     
 
    
    
    
        
            Transmission Type Std:
        
        
            NV3550 5-Speed Manual
        
     
    
    
        
            Transmission Type Opt:
        
        
            42RLE 4-Speed Automatic
        
     
    
    
        
            Clutch Type:
        
        
            Hydraulically actuated single dry plate (Manual)
        
     
    
        
            Transmission Fluid Manual:
        
        
            Mopar Manual Transmission Lubricant or equivalent (API GL-3 or GL-4), 2.5 pints (2.37 L)
        
     
    
        
            Transmission Fluid Automatic:
        
        
            Mopar ATF+4 (MS-9602) or equivalent, 7.4 pints (7.0 L) pan fill
        
     
 
    
    
    
        
            NHTSA Rollover Resistance:
        
        
            4 out of 5 stars (for models equipped with side airbags)
        
     
    
    
        
            ABS:
        
        
            Anti-lock Braking System (ABS) standard on front wheels, available on rear.
        
     
    
        
            Traction Control:
        
        
            Optional traction control system available on some models.
        
     
    
    
        
            Airbags:
        
        
            Driver and passenger front airbags. Optional side airbags available.
        
     
    
        
            Seat Belts:
        
        
            Three-point seat belts with pretensioners.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 3,000 miles or 3 months, whichever comes first (severe service), or 6,000 miles / 6 months (normal service) with synthetic oil.
        
     
    
        
            Engine Air Filter:
        
        
            Inspect every 15,000 miles, replace as needed. Replace at 30,000 miles for dusty conditions.
        
     
    
        
            Transmission Fluid Change Auto:
        
        
            Inspect every 30,000 miles, change at 60,000 miles or as needed (refer to manual for severe conditions).
        
     
    
        
            Transmission Fluid Change Manual:
        
        
            Check level periodically, change as recommended by manual or if contamination is suspected.
        
     
    
    
        
            Engine Oil:
        
        
            SAE 10W-30 (API SG or higher); Mopar 5W-30 Synthetic for cold climates (consult manual for full details).
        
     
    
        
            Coolant:
        
        
            Chrysler/Mopar HOAT (Hybrid Organic Acid Technology) 50/50 mix with distilled water.
        
     
    
    
        
            Power Steering Fluid:
        
        
            ATF+4 (MS-9602)
        
     
    
    
        
            Common Problems:
        
        
            Leaking oil filter adapter housing, sway bar end link wear, transfer case chain stretch, minor electrical gremlins, rear main seal leaks on high-mileage engines.
        
     
    
        
            Recommended Upgrades:
        
        
            Many owners opt for upgraded steering components, robust skid plates, and improved suspension for enhanced off-road durability, all detailed in advanced sections of this manual.
        
     
 
    
    
    
        
            Jeep Legacy:
        
        
            Jeep's heritage dates back to World War II with the Willys MB, establishing a long-standing reputation for ruggedness and off-road capability.
        
     
    
    
        
            Tj Generation:
        
        
            The TJ Wrangler (1997-2006) introduced coil springs and a significantly revised suspension, moving away from the leaf springs of its predecessors (CJ and YJ), offering a superior ride and articulation.
        
     
    
    
        
            Manufacturing Location:
        
        
            Toledo, Ohio, USA
        
     
    
        
            Production Years:
        
        
            1997-2006 (TJ Generation)
        
     
 
    
    
    
        
            Off Road Awards:
        
        
            Consistently recognized by off-road enthusiasts and publications for its unmatched capability and customization potential.
        
     
    
    
        
            Consumer Reports:
        
        
            Varies by model year and specific components, but generally praised for off-road performance while noting potential reliability issues common in robust, off-road-focused vehicles.
        
     
    
    
        
            Emissions:
        
        
            Meets U.S. EPA and California Air Resources Board (CARB) emissions standards for its model year.