Vehicle Class:
Mid-size luxury SUV.
Target Audience:
Consumers seeking capability, comfort, and premium features in an SUV.
Competitors 1999:
Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery.
Jeep Heritage:
Carries the legendary Jeep off-road capability and robust build reputation.
Luxury Appointments:
WJ generation introduced a more refined interior and premium options compared to predecessors.
Powertrain Options:
Offered powerful V8 engine options alongside a capable inline-six.
Manual Type:
Workshop Service Repair Manual
Format:
Digital Download (likely PDF)
Page Count:
Extensive (typical for WJ Grand Cherokee service manuals, often 1500+ pages)
Model Coverage:
All 1999 Jeep Grand Cherokee Models
Engine:
Detailed diagnostics, repair, and overhaul for all 1999 engine variants.
Transmission:
Service and repair for automatic transmissions (e.g., 45RFE, 44RE) and transfer cases.
Drivetrain:
Front and rear axle service, differential repair, driveshaft maintenance, CV joints.
Brakes:
Front and rear brake system diagnostics, repair, replacement (pads, rotors, calipers, lines, ABS).
Suspension:
Front and rear suspension components, steering system, alignment specifications.
Electrical:
Complete wiring diagrams, component testing, fuse and relay locations, lighting, power accessories.
HVAC:
Air conditioning system service, heater core, climate control diagnostics.
Body:
Exterior panel repair, interior trim removal/installation, doors, glass, bumpers.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), diagnostic procedures.
Maintenance:
Routine maintenance, oil changes, filter replacements, fluid checks and changes, lubrication.
Repair:
Step-by-step repair instructions for virtually all mechanical and electrical components.
Troubleshooting:
Systematic identification and resolution of common and uncommon faults.
Rebuilds:
Complete engine and transmission rebuild procedures, including component specifications and clearances.
Specifications:
Torque specifications, clearances, fluid capacities, part numbers, and diagnostic parameters.
Depth Level:
Comprehensive (covers everything from basic checks to full engine/transmission rebuilds).
Detail Level:
Factory-level detail with clear diagrams and instructions.
Digital Format:
Likely PDF, ensuring searchability and compatibility.
Printability:
Printable pages for on-the-go reference in a workshop environment.
Searchability:
Text-based PDF allowing for quick keyword searching of specific procedures or components.
Image Resolution:
High resolution for clear viewing of diagrams, illustrations, and photographs.
Binding:
N/A (Digital Download - typically no physical binding)
Paper Quality:
N/A (Digital Download - not applicable)
Engine 1 Type:
4.0L Inline-6 (PowerTech)
Engine 1 Displacement:
242 cubic inches (3956 cc)
Engine 1 Horsepower:
185 hp @ 4600 rpm
Engine 1 Torque:
220 lb-ft @ 3000 rpm
Engine 1 Bore X Stroke:
3.878 in x 3.578 in (98.5 mm x 90.9 mm)
Engine 1 Compression Ratio:
8.8:1
Engine 2 Type:
4.7L V8 (PowerTech)
Engine 2 Displacement:
285 cubic inches (4650 cc)
Engine 2 Horsepower:
220 hp @ 4700 rpm
Engine 2 Torque:
300 lb-ft @ 3200 rpm
Engine 2 Bore X Stroke:
3.72 in x 3.31 in (94.5 mm x 84 mm)
Engine 2 Compression Ratio:
9.0:1
Fuel Injection:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Regular (87 octane recommended, 89 octane for V8 optional)
Transmission Type Standard:
45RFE 4-Speed Automatic (with 4.0L I6)
Transmission Type Optional:
44RE 4-Speed Automatic (with 4.7L V8 - early models) / 45RFE (later models with V8)
Transfer Case:
Selec-Trac (full-time 4WD) standard; Quadra-Trac II (full-time 4WD with low range) optional.
Transmission Fluid:
Refer to manual for specific fluid type and capacity (e.g., ATF+4 for 45RFE).
NHTSA Frontal Impact:
Refer to specific NHTSA reports for 1999 models. Generally good for its era.
ABS:
Standard Anti-lock Braking System (ABS) on all wheels.
Traction Control:
Optional traction control system (likely on higher trims or specific packages).
Airbags:
Driver and front passenger airbags.
Seatbelts:
3-point seatbelts with pretensioners for front occupants.
Audio System:
Optional Infinity Gold premium audio system with CD player.
Navigation:
Optional navigation system (early generation, not as advanced as modern systems).
Cruise Control:
Standard cruise control.
Parking Sensors:
Optional rear parking assist sensors.
Power Outlets:
12V auxiliary power outlets.
Oil Change Interval:
Every 3,000-5,000 miles (4,800-8,000 km) or 6 months, whichever comes first (refer to manual for exact recommendation based on driving conditions).
Transmission Fluid Change:
Typically every 30,000-60,000 miles (48,000-96,000 km), check manual.
Coolant Flush:
Every 30,000 miles (48,000 km) or 2 years.
Engine Oil Spec:
API SN or SP, SAE 5W-30 recommended (check manual for specific viscosity and API rating).
Coolant Spec:
Chrysler HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, blue color.
Common Problem 1:
Heater core leaks (common in WJ generation, often requires dashboard removal).
Common Problem 2:
Cracked cylinder heads on the 4.7L V8 (early models).
Common Problem 3:
Water pump leaks.
Common Problem 4:
Blend door actuator failures in the HVAC system.
Common Problem 5:
Front suspension wear (ball joints, tie rods).
Jeep Legacy:
Jeep has a storied history of ruggedness and off-road prowess dating back to WWII.
Wj Introduction:
The WJ Grand Cherokee was introduced for the 1999 model year, replacing the ZJ. It was a significant redesign focusing on refinement and luxury while retaining Jeep's core capabilities.
Manufacturing Location:
Detroit, Michigan, USA (Jefferson North Assembly Plant).
Production Years:
1999-2004
Automotive Press:
While specific awards for the '99 model are less documented, the WJ Grand Cherokee was generally well-received for its blend of luxury, capability, and comfort within the SUV segment.
Consumer Reports:
Consumer Reports ratings varied over the WJ generation. Early models often had average to below-average reliability scores, particularly concerning the HVAC and certain powertrain components, which this manual would help address.
