Target Audience:
Jeep Wrangler TJ owners seeking comprehensive repair and maintenance information, DIY enthusiasts, independent repair shops.
Alternatives To Factory Manuals:
Provides a cost-effective alternative to expensive factory CD-ROMs or printed manuals, offering similar depth of information.
Digital Delivery:
Instant email delivery, eliminating shipping delays and costs.
Content Similarity To Oem:
Described as similar to factory shop manuals, indicating comprehensive and accurate data.
Cross Platform Compatibility:
Works on all PC-based Windows operating systems and Mac computers.
Lubrication And Maintenance:
Scheduled maintenance, fluid types, capacities, lubrication points, grease types.
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, sway bars, alignment procedures.
Brakes:
Front and rear brake systems (disc/drum configurations depending on model), hydraulic components, ABS (if equipped), parking brake, bleeding procedures.
Cooling System:
Radiator, water pump, thermostat, hoses, coolant types, pressure testing, fan operation.
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter motor), ignition system, lighting, power distribution, fuses, relays, grounding.
Engine:
Detailed engine repair, overhaul, internal components (pistons, rings, bearings, valves, camshafts), timing components, cylinder head, block.
Fuel System:
Fuel tank, fuel pump, fuel lines, fuel injectors, fuel pressure regulator, throttle body, fuel filter, evaporative emission control (EVAP).
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, pipes, hangers, oxygen sensors.
Transmission:
Manual and automatic transmission overhauls, clutch (manual), torque converter (automatic), transmission fluid specifications, shift linkage, transfer case.
Heating And Air Conditioning:
HVAC system components, refrigerant, compressor, condenser, evaporator, blower motor, climate control panel, diagnosis.
Emission Control Systems:
Diagnosis and repair of emissions-related components, OBD-II system, EGR, PCV, EVAP.
Body:
Body panels, doors, hinges, latches, glass, interior trim, bumpers, convertible top (if applicable), paint repair basics.
Wiring Diagrams:
Comprehensive electrical wiring schematics for all vehicle systems.
Diagnostic Procedures:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based troubleshooting.
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair.
Overhaul Procedures:
Complete engine and transmission rebuild procedures.
Maintenance Tasks:
Oil changes, filter replacements, fluid checks, brake pad replacements, tire rotations.
Depth:
Factory-level technical information, suitable for professional mechanics and advanced DIYers.
Engine Type:
Inline 6-Cylinder (3.7L or 4.0L based on market and specific TJ variant - likely 4.0L for North American market)
Engine Displacement Liters:
Likely 4.0 L (242 cu in) - 'PowerTech' I6
Bore X Stroke:
3.875 in x 3.375 in (99.4 mm x 85.7 mm)
Horsepower Est:
Approx. 190 hp @ 4600 rpm
Torque Est:
Approx. 235 lb-ft @ 3200 rpm
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Recommended Fuel:
87 Octane Unleaded Gasoline
Valve Train:
Overhead Valve (OHV), Pushrod Actuated
Cylinder Head Material:
Cast Iron
Block Material:
Cast Iron
Oil Change Interval:
Every 3,000-5,000 miles or 6 months, whichever comes first (depending on driving conditions).
Engine Oil Filter Replacement:
With every oil change.
Air Filter Replacement:
Every 15,000-30,000 miles or annually.
Spark Plug Replacement:
Approximately 100,000 miles (Platinum/Iridium plugs).
Engine Oil Type:
API SP, ILSAC GF-6A SAE 10W-30 (or SAE 5W-30 for extreme cold weather)
Engine Coolant:
Chrysler/Mopar OAT (Orange) Antifreeze/Coolant, 5/150,000 Formula
Power Steering Fluid:
Mopar Power Steering Fluid or ATF+4
Differential Fluid Front Rear:
API GL-5 SAE 80W-90 (for standard axles); SAE 75W-140 synthetic recommended for heavy use/towing; use friction modifier for limited-slip differentials if equipped.
Transfer Case Fluid:
ATF+4 (MS-9602)
Common Tj Issues:
Crankshaft position sensor failure, distributor issues (early models), exhaust manifold cracks, oil filter adapter housing leaks, clutch slave cylinder failure (manual), steering box wear, rust in body mounts and frame.