Segment:
Compact SUV/Off-Road Vehicle
Key Attributes:
Renowned for off-road capability, durability, and a relatively simple, robust design.
Competitors:
Toyota 4Runner, Ford Bronco II, Chevrolet S-10 Blazer, Nissan Pathfinder
Vehicle Signature:
Unibody construction (a first for Jeep SUVs), short wheelbase, excellent approach/departure angles, strong aftermarket support.
Manual Value Proposition:
Provides comprehensive coverage for maintaining and repairing one of Jeep's most iconic and long-lived models, empowering owners and independent mechanics.
Engine:
4.5L V8 (AMC 260/304 - Less Common, but potentially covered for specific applications or conversions)
Transmission:
Manual Transmissions (AX-5, NV3550), Automatic Transmissions (AW4, 30RH/32RH)
Drivetrain:
4x4 Systems (Command-Trac, Selec-Trac), Transfer Cases (NP231, NP242), Axles (Dana 30 Front, Dana 35 Rear, Chrysler 8.25 Rear)
Suspension:
Leaf Spring Rear, Coil Spring Front, Steering System, Suspension Component Replacement
Brakes:
Front Disc, Rear Drum/Disc, ABS Systems (if equipped), Hydraulic System Diagnosis and Repair
Electrical:
Wiring Diagrams, Component Location, Diagnosis of Electrical Faults, Lighting, Instruments, Accessories
Body:
Body Panel Repair, Interior Trim, Doors, Glass, Body Electrical Components
HVAC:
Air Conditioning, Heating, Ventilation System Service and Repair
Fuel:
Fuel Tank, Fuel Pump, Fuel Injection System (MPI), Fuel Lines
Cooling:
Radiator, Water Pump, Cooling Fan, Thermostat, Coolant Specifications
Routine Maintenance:
Oil Changes, Filter Replacements, Spark Plug Service, Fluid Level Checks and Top-offs
Engine Repair:
Engine Overhaul, Piston and Connecting Rod Installation, Cylinder Head Service, Timing Component Replacement
Transmission Service:
Clutch Replacement (Manual), Torque Converter Service (Automatic), Transmission Fluid and Filter Changes
Drivetrain Repair:
U-Joint Replacement, CV Axle Service, Differential Fluid Changes, Axle Seal Replacement
Brake System Repair:
Brake Pad/Shoe Replacement, Rotor/Drum Machining or Replacement, Brake Line Flushes, Caliper Overhaul
Electrical Diagnostics:
Troubleshooting using wiring diagrams, Sensor testing, Actuator testing, Module diagnostics
Suspension And Steering Work:
Ball Joint Replacement, Tie Rod End Replacement, Shock/Strut Replacement, Power Steering System Service
Body And Interior Repair:
Dent Removal, Panel Replacement, Door Mechanism Repair, Interior Upholstery Repair
Diagnostics And Troubleshooting:
Diagnostic Trouble Codes (DTCs), Symptom-based troubleshooting guides
Torque Specifications:
Comprehensive list of all fasteners
Technical Tips:
Professional insights and best practices
Depth:
Comprehensive (from basic maintenance to full engine/transmission rebuilds, extensive electrical diagnostics)
Detail Level:
High; Includes detailed step-by-step instructions with accompanying diagrams and pictures
Audio System:
AM/FM radio, cassette player, optional CD player (later models). Basic speaker configurations.
ABS:
Available as an option on select models, typically on rear wheels first, then 4-wheel ABS.
Cruise Control:
Optional feature on most trims.
Instrument Cluster:
Analog gauges for speedometer, tachometer (optional), fuel, temperature, oil pressure. Warning lights for various systems.
Oil Change Interval Miles:
3,000 - 5,000 (depending on oil used and driving conditions)
Transmission Fluid Change Interval Miles:
30,000 - 60,000 (depending on type and driving)
Spark Plug Replacement Interval Miles:
30,000 - 100,000 (depending on plug type, e.g., standard vs. platinum/iridium)
Engine Oil Specification:
API SN or higher, SAE 10W-30 or 10W-40 (check manual for specific viscosity based on temperature)
Coolant Specification:
Chrysler/Dodge/Jeep HOAT (Hybrid Organic Acid Technology) or equivalent (typically green or orange coolant)
Transmission Fluid Specification Aw4:
Dexron III (or equivalent ATF+4 for later models, check manual)
Transmission Fluid Specification Ax-5:
GL-3 or GL-4 Gear Oil, SAE 75W-90
Common Problems Engine:
Head gasket leaks (especially 4.0L), oil filter adapter O-ring leaks, cracked cylinder heads (early 4.0L), tappet noise.
Common Problems Transmission:
AX-5 internal wear, AW4 torque converter shudder, manual clutch wear.
Common Problems Drivetrain:
Dana 35 axle strength limitations for extreme off-roading, U-joint wear, front axle disconnect issues (early models).
Common Problems Electrical:
Crankshaft Position Sensor (CKP) failure (4.0L), erratic gauge readings, headlight switch failure, blower motor resistor failure.
Common Problems Suspension Steering:
Worn control arm bushings, leaf spring sag, steering box looseness.