Manufacturer:
Great Wall Motor Company Limited
Model:
Deer, Safe, Sailor, Sing, So Cool, Pegasus
Model Variant:
Utility pickups and light commercial variants
Production Years Covered:
Late 1990s through the 2000s (consistent with GW4D28 engine era)
Engine Family:
Derived from Isuzu 4JB1 technology
Market Segment:
Utility vehicles, pick-up trucks, and light commercial vehicles (based on model types)
Target Audience:
Professional mechanics, dealership technicians, and knowledgeable DIY enthusiasts working on Great Wall vehicles
Competitive Landscape:
Competes with other light commercial and utility vehicles from Asian manufacturers, focusing on value and utility
Manual Advantage:
Critical for supporting these vehicles in markets where authorized service may be less prevalent
Manual Value Proposition:
Provides essential technical information for maintaining and repairing a range of Great Wall utility vehicles, with specific focus on the robust GW4D28 diesel engine
Engine Focus:
GW4D28 2.8L diesel derived from proven Isuzu technology
Engine:
GW4D28 2.8L diesel, including overhaul procedures
Fuel System:
Inspection, adjustment, and repair
Cooling System:
Inspection, adjustment, and repair
Starting System:
Inspection, adjustment, and repair
Charging Device:
Inspection, adjustment, and repair
Exhaust System:
Inspection, adjustment, and repair
Clutch:
Dismantle, inspection, adjustment, repair, assembly
Gearbox:
Dismantle, inspection, adjustment, repair, assembly, mount
Transfer Box:
Operation and maintenance coverage for 4WD variants
Drive Shaft and Axles:
Dismantle, inspection, repair, assembly
Suspension System:
Front and rear suspension repair with illustrations
Braking System:
Repair, inspection, and adjustment
Steering System:
Repair and adjustment procedures
Technical Requirements:
Illustrations with figures clearly describe technical requirements and application limits
Electrical System:
Power supply, lighting, combination instrument coverage
Wiring Diagrams:
Full wire harness diagrams for quick and easy diagnosis
Convenience Systems:
Center control locking, power window system, wiping and washing system
Acoustical Equipment:
Audio system coverage and troubleshooting
Air-Conditioning System:
Service and repair coverage
Backup Radar System:
System coverage and diagnostics
Mechanical Procedures:
Dismantle, inspection, adjustment, repairing, assembly, mounting of chassis components
Electrical Procedures:
Troubleshooting, wiring harness diagnostics, component testing
Body Repair:
Dismantling and assembly of body panels, glass replacement, interior trim repair, structural dimension references
Body Decoration Repair:
Dismantling, inspecting, and assembling requirements for interior and exterior trim
Technical Depth:
Comprehensive: general introduction, chassis, electrical, body repair, with application limits and diagnostic information
Intended Users:
Maintenance personnel, technical personnel, and management
Parts Information:
N/A - not specified as a parts catalog; covers component identification within procedures
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Displacement:
2.8 Liters
Cylinders:
4 (typical for this engine class and heritage)
Aspiration:
Naturally aspirated (based on 4JB1 heritage)
Design Philosophy:
Durability and reliability, leveraging proven Isuzu technology
Horsepower Range:
Estimated 80-100 HP (typical for naturally aspirated 2.8L diesel of that era)
Torque Range:
Estimated 170-200 Nm (typical for naturally aspirated 2.8L diesel of that era)
Injection System:
Likely indirect injection (IDI) or early direct injection (DI) based on 4JB1 heritage; manual will specify
Technology Origin:
Based on Isuzu 4JB1 naturally aspirated diesel engine technology
Transmission Type:
Manual transmission (typical for utility vehicles of this era and segment); specific 5-speed or 6-speed types detailed in manual
Optional Transmission:
Automatic transmission may have been an option on certain models, to be confirmed by specific vehicle data
Transfer Case:
4WD variants common for Deer, Safe, Pegasus; manual covers transfer box operation and maintenance
Gearbox Service Coverage:
Dismantle, inspection, adjustment, repair, assembly, and mount procedures included
Wheelbase:
N/A - body and frame dimensions included in manual for repair reference
Length:
N/A - body and frame dimensions included in manual for repair reference
Body Dimensions Reference:
Manual includes dimensions of vehicle body and frame for repair purposes
Curb Weight:
N/A - specified per vehicle model within the manual
Gross Vehicle Weight Rating:
Typical for light trucks/SUVs in the 2000-3000 kg range
Engine Oil Change:
Typically 5,000 km to 10,000 km for diesel engines of this era; specific interval in manual
Fuel Filter Replacement:
Recommended every 10,000 km to 20,000 km depending on fuel quality
Air Filter Replacement:
Recommended every 10,000 km to 15,000 km or as needed based on operating conditions
Engine Oil:
Likely API CF or similar heavy-duty diesel oil; viscosity grade (e.g., 15W-40) specified in manual
Coolant:
Ethylene glycol-based antifreeze, likely 50/50 mixture with distilled water; specific type and capacity in manual
Transmission Fluid:
GL-4 or GL-5 gear oil typical for manual transmissions; ATF type and capacity detailed if applicable
Brake Fluid:
Likely DOT 3 or DOT 4, specified in the manual
Power Steering Fluid:
Type (e.g., ATF or specific PS fluid) will be in the manual if equipped
Common Wear Items:
Suspension bushings and ball joints, clutch wear, injector seals, glow plugs for cold starts
Engine Maintenance Focus:
Regular oil changes, clean fuel, and proper cooling system maintenance critical for GW4D28 longevity
Engine Management Considerations:
Naturally aspirated design with robust duty cycles: proper lubrication and overheating prevention are paramount
Great Wall Motor History:
Founded in 1984, Great Wall Motor is one of China's largest SUV and pickup truck manufacturers, known for affordable and rugged vehicles
Model Line Evolution:
Deer, Safe, Sailor, Sing, and Pegasus represent Great Wall's utility and light commercial offerings, often evolving from earlier designs and technologies
Production Location:
China
Production Era:
Likely late 1990s through the 2000s, consistent with GW4D28 engine and model naming conventions
