Engine Mechanical:
Comprehensive coverage of all mechanical aspects.
Engine Control System:
Detailed diagnostics and repair of the engine control unit and related systems.
Fuel Service Specifications:
Specific fuel system components, testing, and specifications.
Emission Control:
Repair and diagnostics of emission control systems.
Intake Exhaust Cooling:
Detailed information on cooling systems, intake manifolds, and exhaust components.
Lube System:
Lubrication points, procedures, and fluid specifications.
Ignition Starting Charging:
Complete coverage of ignition, starting, and charging system diagnostics and repair.
Auto Transmission:
Service, repair, and diagnostics for automatic transmissions.
Manual Transmission:
Service, repair, and diagnostics for manual transmissions.
Transfer Propeller Shaft:
Maintenance and repair of the transfer case and propeller shafts.
Drive Shaft Differential:
Axle, drive shaft, and differential servicing and repair.
Axle Suspension:
Detailed suspension and axle component repair and maintenance.
Tire Wheel:
Tire and wheel specifications and service information.
Brake Control:
Service and repair of brake control systems, including ABS.
Brake System:
Comprehensive brake system repair, including calipers, rotors, and lines.
Parking Brake:
Specific information on the parking brake system.
Steering Column:
Service and repair of the steering column assembly.
Power Steering:
Diagnostics and repair of the power steering system.
Air Condition:
Service and repair of the HVAC system.
Supplemental Restraint System:
Airbag system diagnostics and repair procedures.
Seat Belt:
Service and repair of seat belt systems.
Engine Immobilizer:
Information on the engine immobilizer system.
Cruise Control:
Diagnostics and repair of the cruise control system.
Wiper Washer:
Service and repair of the windshield wiper and washer systems.
Door Lock:
Service and repair of door lock mechanisms and systems.
Meter Audio Visual:
Repair and diagnostics for instrument cluster, audio, and visual systems.
Horn:
Service and repair of the horn system.
Windshield Glass Mirror:
Information on windshield, glass, and mirror replacement and service.
Instrument Panel:
Service and repair of the instrument panel and its components.
Seat Systems:
Information on seat adjustments and repair.
Engine Hood Door:
Service and repair of the hood and door latches, hinges, and mechanisms.
Exterior Interior Trim:
Information on exterior and interior trim components.
Electrical System:
Comprehensive electrical system diagnostics and repair.
Multiplex Can Communication:
Diagnostics and repair of multiplex and CAN communication networks.
Maintenance:
Complete scheduled maintenance procedures.
Diagnostics:
Detailed diagnostic procedures for all vehicle systems.
Repair:
Step-by-step repair instructions for all components.
Troubleshooting:
Troubleshooting guides for common and uncommon issues.
Technical Specifications:
Inclusion of all necessary technical specifications for repairs and maintenance.
Wiring Schematics:
Complete and detailed wiring diagrams for all electrical systems.
Depth:
Factory level detail, suitable for professional technicians and advanced DIY enthusiasts.
Oil Change Interval:
Typically every 5,000-7,500 miles or 6 months for the 6.5L Diesel engine, consult manual for exact specifications.
Transmission Fluid Change:
Recommended every 30,000-50,000 miles for the automatic transmission, consult manual for exact specifications.
Engine Oil:
Refer to manual for specific viscosity grade (e.g., SAE 15W-40 for diesel applications), API classification is critical (e.g., CF-2).
Coolant:
Ethylene glycol based coolant, typically a 50/50 mix with distilled water. Specific type (e.g., Dex-Cool or equivalent) to be confirmed in the manual.
Transmission Fluid:
GM DEXRON III or equivalent for the 4L80-E transmission.
Common H1 Issues:
Potential issues include portal gear oil leaks, fuel injector issues on older diesel variants, and wear on suspension components due to extreme off-road use. The manual will provide specific troubleshooting for these.