Segment:
Mid-size Luxury/Performance SUV
Target Audience:
Owners seeking to perform maintenance, repairs, and diagnostics on their ZJ Grand Cherokee.
Competitors:
Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder, Mitsubishi Montero.
Value Proposition:
Comprehensive, factory-level repair and maintenance information providing the 'best bang for the buck' for DIY mechanics and enthusiasts.
Compatibility:
Universal compatibility with Windows, Linux, and macOS operating systems.
Systems Covered:
Engine Mechanical, Engine Control Systems (EFI), Fuel System, Exhaust System, Cooling System, Lubrication System, Ignition System, Starting System, Charging System, Transmission (Automatic), Drivetrain (4WD/AWD), Suspension System (Front & Rear), Steering System, Brake System (Front & Rear), ABS, Body Control Modules, HVAC System, Interior Systems, Exterior Systems, Electrical Systems, Wiring Diagrams, Diagnostic Procedures, Troubleshooting, Body Repair, Frame Alignment, Emission Controls, Interior Trim, Exterior Trim, Wheels & Tires.
Estimated Page Count:
1500+ Pages (Comprehensive Service Manual)
Manual Type:
Factory Service Manual (FSM) / Repair Manual
Platform Compatibility:
Compatible with all operating systems supporting PDF readers (Windows, macOS, Linux).
Engine Mechanical:
Detailed procedures for engine disassembly, inspection, repair, and reassembly. Includes cylinder head, block, crankshaft, connecting rods, pistons, camshafts, timing components.
Engine Control:
Diagnosis and repair of electronic fuel injection (EFI), ignition timing, sensor data (MAP, TPS, O2, Crankshaft Position), and Powertrain Control Module (PCM) functions.
Transmission:
Covers the 42RE and 46RE (and potentially 44RE) automatic transmissions, including hydraulic systems, valve body, clutch packs, torque converter, electronic controls, and servicing procedures.
Drivetrain:
Detailed information on Quadra-Trac and Command-Trac 4WD systems, NP242 transfer case, front and rear differentials, axle shafts, U-joints, and driveshaft service.
Brakes:
Front and rear brake system servicing, including disc brake pad replacement, rotor resurfacing/replacement, caliper service, hydraulic lines, and Anti-lock Brake System (ABS) component testing and repair.
Maintenance:
Scheduled maintenance intervals, fluid changes (engine oil, coolant, transmission fluid, differential fluid, brake fluid), filter replacements, tune-ups, belt and hose replacement.
Troubleshooting:
Comprehensive diagnostic flowcharts and symptom-based troubleshooting guides for common and uncommon issues across all vehicle systems.
Repair:
Step-by-step instructions for component removal, installation, adjustment, and repair, ranging from simple part replacements to major system overhauls.
Electrical Diagnostics:
Extensive wiring diagrams, component location charts, diagnostic flowcharts for the entire electrical system, including lighting, power accessories, and control modules.
Body And Trim:
Procedures for interior panel removal, exterior trim replacement, door handle repair, and body panel alignment.
Diagnostic Capabilities:
Detailed coverage of diagnostic trouble codes (DTCs), OBD-II procedures (for later years), sensor data interpretation, and use of scan tools.
Rebuild Procedures:
Includes procedures for engine and transmission rebuilds, including specifications for clearances, torque values, and component tolerances.
Diagnostic Tools:
References to specific tools, torque specifications, pressures, and electrical resistance values required for accurate diagnostics and repairs.
Engine Options:
4.0L Inline-6 (242 cu in) OHV and 5.2L V8 (318 cu in) OHV (Magnum)
Horsepower 4.0L:
190 hp @ 4750 rpm (approx.)
Torque 4.0L:
225 lb-ft @ 3000 rpm (approx.)
Horsepower 5.2L:
220 hp @ 4400 rpm (approx.)
Torque 5.2L:
285 lb-ft @ 2400 rpm (approx.)
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Ignition Type:
Distributorless Ignition System (DIS) or Distributor-based (depending on year/engine).
Coolant Type:
Chrysler/Dodge/Jeep HOAT (Hybrid Organic Acid Technology) coolant (e.g., Mopar Antifreeze/Coolant 10 Year/100,000 Mile Formula) or equivalent.
Transmission Type:
4-speed Automatic Transmission
Manual Transmission Availability:
Not commonly available or documented for these specific model years/trims.
Transmission Models:
42RE (for 4.0L), 46RE (for 5.2L V8), potentially 44RE.
Transmission Fluid:
ATF+4 (Automatic Transmission Fluid +4) or equivalent is recommended for later models, though ATF+3 may have been OEM for earlier ZJ production. Manual specifies the correct type and capacity.
42Re Ratios:
1st: 2.74, 2nd: 1.57, 3rd: 1.00, 4th: 0.69 (approx. ratios, verify with manual)
Wheelbase:
104.1 inches (2644 mm)
Length:
177.8 - 180.3 inches (4516 - 4579 mm) depending on trim
Width:
70.5 inches (1791 mm)
Height:
64.5 - 66.0 inches (1638 - 1676 mm) depending on suspension/trim
Cargo Volume Behind Rear Seat:
Approx. 41.1 cu ft
Cargo Volume Max:
Approx. 70.2 cu ft
Curb Weight:
Approx. 3900 - 4300 lbs (1769 - 1950 kg) depending on engine and drivetrain.
Towing Capacity:
Up to 6500 lbs (2948 kg) when properly equipped with the V8 and tow package.
Wheel Bolt Pattern:
5x5.5 inches (5x139.7 mm)
Typical Tire Sizes:
225/75R15, 225/70R16, 235/70R16, 235/75R15 (depending on trim and factory options).
NHTSA Rollover Resistance:
3-star rating for rollover resistance (early models, specific ratings vary).
ABS:
Standard on most models, with detailed service procedures in the manual.
Traction Control:
Available on some models, especially with higher trim levels or V8 engines. Details of operation and diagnostics included.
Airbags:
Driver and passenger airbags standard on later models (check specific year). Manual covers airbag system components and disabling procedures.
Seat Belts:
Front and rear seat belt systems, with repair information for tensioners and retractors.
Engine Oil Change:
Every 3,000-5,000 miles (4,800-8,000 km) or 6 months, depending on driving conditions and oil type used. Manual provides specific recommendations.
Transmission Fluid Change:
Every 30,000-60,000 miles (48,000-96,000 km) or 2-3 years. Manual details inspection and fluid change procedures.
Coolant Change:
Every 30,000 miles (48,000 km) or 2 years for traditional coolant, longer for HOAT. Manual specifies intervals and correct coolant type.
Engine Oil Viscosity:
10W-30 or 5W-30 for 4.0L, 10W-30 for 5.2L V8. Manual specifies exact requirements.
Brake Fluid:
DOT 3 or DOT 4. Manual specifies type and capacity for bleeding procedures.
Power Steering Fluid:
ATF+4 or equivalent. Manual provides specific recommendations.
Common Problems:
Cracked cylinder heads (early 4.0L), transmission cooler leaks (internal/external), evaporator core leaks (HVAC), death wobble (front suspension/steering issues), rear main seal leaks, alternator failure, starter issues, PI (Power Indicator) light illumination.
Troubleshooting Focus:
The manual provides in-depth diagnostic procedures for addressing these common ZJ Grand Cherokee issues.
Jeep Legacy:
Builds on Jeep's reputation for robust 4x4 capability and off-road prowess, adapted for a more comfortable and refined on-road experience.
Zj Generation:
The ZJ was the first generation of the Grand Cherokee, launched for the 1993 model year, representing a significant step up in luxury and refinement compared to the XJ Cherokee.
Mid Cycle Refresh:
Facelifted for the 1996 model year with updated interior and exterior styling, revised powertrains, and improved safety features.
Manufacturing Location:
Detroit, Michigan, USA
Production Years Zj:
1993-1998
