Segment:
Full-size Sport Utility Vehicle (SUV)
Competitors:
Ford Expedition, Dodge Durango, Toyota Land Cruiser, Nissan Pathfinder, Jeep Grand Cherokee
Body On Frame:
Body-on-frame construction for robust towing and off-road capability.
Powertrain Options:
Available with powerful V8 engines and robust automatic transmissions suitable for heavy-duty applications.
Utility:
Designed for family hauling, towing, and recreational activities.
Engine:
Vortec 4800 (5.3L V8), Vortec 5300 (5.3L V8), Vortec 6000 (6.0L V8 - optional)
Transmission:
4L60-E (4-speed automatic), 4L80-E (4-speed automatic)
Drivetrain:
2WD (RWD), 4WD (4x4)
Estimated Pages:
2000+ (typical for OE service manuals of this era, digital access)
Type:
Factory Service Manual (FSM) / Repair Manual Software
Format:
PDF Download (Software)
Powertrain:
Engine mechanical, lubrication, cooling, fuel delivery, ignition, exhaust, emissions control, transmission, transfer case, axles, driveshafts
Chassis:
Steering, suspension (front and rear), brakes (hydraulic, ABS), wheels and tires
Electrical:
Battery, charging system, starting system, lighting, instrumentation, infotainment, body control modules, engine control module (ECM), transmission control module (TCM), power windows, locks, mirrors, seats, HVAC controls, anti-theft systems
Body:
Body panels, doors, glass, interior trim, exterior trim, bumpers, seats, roof systems
Diagnostics:
Troubleshooting charts, diagnostic trouble codes (DTCs), symptom-based diagnostics, electrical diagnostics, fuel system diagnostics, HVAC diagnostics
Repair Maintenance:
Scheduled maintenance, routine inspections, fluid changes, filter replacements, component removal and installation, system adjustments, calibration procedures
Rebuilds Overhauls:
Engine overhaul procedures, transmission overhaul procedures, differential rebuilds
Depth:
Comprehensive OE-level technical information, including detailed component descriptions, specifications, torque values, alignment procedures, wiring diagrams, schematics, and step-by-step repair instructions.
PDF Quality:
High-resolution, searchable PDF with clear text and diagrams.
Printability:
Printable pages, allowing for physical copies of specific sections.
Binding:
Not Applicable (Digital Download)
Paper Type:
Not Applicable (Digital Download)
Engine Code 1:
Vortec 5300 (LM7)
Displacement 1:
5.3 Liters (323 cubic inches)
Configuration 1:
90-degree V8, Overhead Valve (OHV)
Horsepower 1:
285 hp @ 5200 rpm
Torque 1:
325 lb-ft @ 4000 rpm
Engine Code 2:
Vortec 4800 (LR4)
Displacement 2:
4.8 Liters (293 cubic inches)
Horsepower 2:
255 hp @ 5200 rpm
Torque 2:
285 lb-ft @ 4000 rpm
Engine Code 3:
Vortec 6000 (LQ4)
Displacement 3:
6.0 Liters (366 cubic inches)
Horsepower 3:
300 hp @ 4800 rpm
Torque 3:
355 lb-ft @ 4000 rpm
Fuel Delivery:
Multi-port Fuel Injection (MPFI)
Fuel Type:
Unleaded Gasoline (87 octane recommended)
NHTSA Rollover Resistance:
3 Stars (when equipped with specific tires and pressures)
ABS:
Standard Anti-lock Braking System (ABS) on all four wheels.
Traction Control:
Optional Traction Control System (TCS).
Airbags:
Driver and front passenger airbags.
Seatbelts:
Front and rear seat belts; front seat pretensioners.
Radio:
Available AM/FM stereo with CD player, cassette tape player, and optional premium audio system.
Navigation:
No integrated factory navigation system available for this model year.
Cruise Control:
Standard cruise control system.
Rear Park Assist:
Optional rear parking assist sensors were available.
Onstar:
Optional OnStar communication system integration.
Oil Change Interval:
Every 3,000 - 7,500 miles or 3-6 months (depending on driving conditions and oil type; consult manual).
Air Filter Replacement:
Every 15,000 - 30,000 miles.
Spark Plug Replacement:
Approximately 100,000 miles (for longer-life plugs if equipped).
Engine Oil Type:
SAE 5W-30 (API Certified)
Engine Oil Capacity:
Approximately 5.5 - 6.0 quarts (with filter, depending on engine).
Coolant Type:
GM P/N 12346726 (Orange Long-Life Coolant) or equivalent silicate-free OAT (Organic Acid Technology) coolant.
P0420 Code:
Catalytic converter inefficiency is a common concern, often related to exhaust leaks or faulty oxygen sensors.
Heater Core:
Heater core leaks, leading to coolant loss and fogged windows, can occur with age.
Rear Main Seal:
Rear main crankshaft seal leaks can develop over time.
4L60E Transmission:
The 4L60-E transmission can experience issues with torque converter clutch (TCC) solenoid failure or planetary gear wear.