Engine Mechanical:
        
        
            Complete overhaul, diagnosis, and repair of all engine variants.
        
     
    
        
            Fuel System:
        
        
            Fuel injection, fuel pump, lines, and tank service.
        
     
    
        
            Ignition System:
        
        
            Spark plugs, ignition coil, distributor, and electronic control unit (ECU) diagnostics.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, heater core, and fan clutch service.
        
     
    
        
            Exhaust System:
        
        
            Catalytic converter, muffler, exhaust manifold, and pipe repair.
        
     
    
        
            Transmission Manual:
        
        
            Clutch, gearbox overhaul, and linkage adjustment.
        
     
    
        
            Transmission Automatic:
        
        
            Torque converter, valve body, planetary gears, and electronic control diagnostics.
        
     
    
        
            Drivetrain 4X4:
        
        
            Transfer case (NP231/NP242) service, front/rear axle components, U-joints, CV joints.
        
     
    
        
            Suspension Front:
        
        
            Leaf springs, control arms, shocks, steering stabilizer.
        
     
    
        
            Suspension Rear:
        
        
            Leaf springs, shock absorbers.
        
     
    
        
            Steering System:
        
        
            Power steering pump, rack and pinion, tie rods, steering column.
        
     
    
        
            Brake System Front:
        
        
            Disc brake pads, rotors, calipers, lines.
        
     
    
        
            Brake System Rear:
        
        
            Drum brake shoes, wheel cylinders, drums, parking brake.
        
     
    
        
            Electrical System Charging:
        
        
            Alternator, voltage regulator, battery testing and replacement.
        
     
    
        
            Electrical System Lighting:
        
        
            Headlights, taillights, interior lights, bulbs, and wiring.
        
     
    
        
            Electrical System Accessories:
        
        
            Wipers, horn, power windows, locks, mirrors, and related switches/motors.
        
     
    
        
            Body Control Modules:
        
        
            Fuse box, relays, wiring diagrams for all circuits.
        
     
    
        
            Climate Control:
        
        
            A/C system, heater core, blower motor, climate control panel operation and repair.
        
     
    
        
            Interior Trim:
        
        
            Dashboard, door panels, upholstery, and carpet removal/installation.
        
     
    
        
            Exterior Body:
        
        
            Body panel alignment, door hinges, tailgate, bumper repair, rust prevention.
        
     
    
        
            Glass And Seals:
        
        
            Windshield, side windows, rear window replacement and seal service.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, fluid checks, tire rotations.
        
     
    
        
            Engine Repair:
        
        
            Head gasket replacement, piston ring installation, valve adjustments, timing chain/belt service.
        
     
    
        
            Transmission Overhaul:
        
        
            Complete disassembly, inspection, and reassembly of both manual and automatic transmissions.
        
     
    
        
            Drivetrain Diagnosis:
        
        
            Troubleshooting driveline vibrations, binding, or engagement issues.
        
     
    
        
            Suspension Replacement:
        
        
            Shock absorber, leaf spring, ball joint, and tie rod end replacement.
        
     
    
        
            Brake Service:
        
        
            Brake pad/shoe replacement, rotor/drum resurfacing or replacement, brake bleeding.
        
     
    
        
            Electrical Troubleshooting:
        
        
            Wiring harness repair, circuit diagnosis, component testing.
        
     
    
        
            Climate Control Repair:
        
        
            A/C refrigerant service, leak detection, blower motor replacement, heater core flush.
        
     
    
        
            Body Panel Alignment:
        
        
            Adjusting doors, hood, tailgate for proper fit and sealing.
        
     
    
        
            Troubleshooting Guides:
        
        
            Systematic diagnostic procedures for common and uncommon faults.
        
     
    
        
            Component Rebuilds:
        
        
            Detailed instructions for rebuilding major components.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to complete engine and transmission rebuilds.
        
     
    
        
            Diagnostic Charts:
        
        
            Extensive diagnostic trouble trees and symptom-based troubleshooting.
        
     
    
        
            Torque Specifications:
        
        
            All critical torque values for fasteners and assemblies.
        
     
    
        
            Schematics:
        
        
            Detailed electrical wiring diagrams for all systems.
        
     
    
        
            Special Tools:
        
        
            Identification and usage of required factory special tools.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 3,000-5,000 miles or 3-6 months (depending on driving conditions).
        
     
    
        
            Filter Replacement Interval:
        
        
            Engine oil filter: Every oil change. Air filter: 15,000-30,000 miles. Fuel filter: 30,000-50,000 miles.
        
     
    
        
            Transmission Fluid Interval:
        
        
            Automatic: 30,000-60,000 miles. Manual: Check for leaks, typically no scheduled change.
        
     
    
        
            Coolant Flush Interval:
        
        
            Every 30,000 miles or 2 years.
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 10W-30 or 10W-40 (check owner's manual for specific engine recommendation).
        
     
    
        
            Engine Oil Capacity:
        
        
            4.0L I6: 5 US quarts (4.7 L) with filter. 2.5L I4: 5 US quarts (4.7 L) with filter.
        
     
    
        
            Transmission Fluid Type:
        
        
            ATF+3 (or equivalent red automatic transmission fluid).
        
     
    
        
            Coolant Type:
        
        
            Conventional green ethylene glycol coolant (50/50 mix with distilled water).
        
     
    
    
    
        
            Common Failure 1:
        
        
            Radiator cracking (especially the plastic end tanks).
        
     
    
        
            Common Failure 2:
        
        
            Leaf spring sag and breakage due to age and load.
        
     
    
        
            Common Failure 3:
        
        
            Headliner sagging.
        
     
    
        
            Common Failure 4:
        
        
            Cracked exhaust manifolds on the 4.0L engine.
        
     
    
        
            Common Failure 5:
        
        
            Oil filter adapter seal leaks.
        
     
    
        
            Common Failure 6:
        
        
            Water pump and thermostat housing leaks.
        
     
    
        
            Common Failure 7:
        
        
            Power steering pump whine and leaks.