Positioning:
Flagship full-size SUV for Chevrolet, known for towing capacity, passenger space, and durability.
Competitors:
Ford Expedition, Toyota Sequoia, GMC Yukon XL, Cadillac Escalade ESV
Platform Advantage:
Built on the robust GMT900 platform, shared with Silverado, Tahoe, Yukon, and Escalade, ensuring strong construction and proven components.
Utility:
Emphasizes practicality, cargo volume, and towing capability, making it a popular choice for families and commercial use.
Target Audience:
Professional automotive technicians, dealership service departments, experienced DIY mechanics, and fleet maintenance personnel.
Authenticity:
Directly sourced or equivalent to factory service manuals (FSM) used by dealership technicians.
Engine:
All engine variants, diagnostics, repair, overhaul
Transmission:
All transmission variants (automatic), diagnostics, repair, overhaul
Drivetrain:
4WD/AWD systems, differentials, axles, driveshafts
Brakes:
ABS, hydraulic system, calipers, rotors, parking brake
Suspension:
Independent front suspension, multi-link rear, springs, shock absorbers, steering
Electrical:
Wiring diagrams, circuits, sensors, actuators, body control modules (BCM), comfort systems
HVAC:
Air conditioning, heating, ventilation, climate control systems
Fuel System:
Fuel injection, fuel pump, injectors, fuel tank
Exhaust:
Catalytic converter, mufflers, exhaust manifold, emissions controls
Cooling System:
Radiator, water pump, thermostat, coolant passages
Body And Frame:
Body panels, doors, hinges, latches, interior trim, structural components
Restraints:
Airbags, seat belts, SRS system diagnostics
Lighting:
Headlights, taillights, interior lighting, exterior lighting circuits
Infotainment:
Radio, navigation, entertainment system diagnostics and repair
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting, fault code interpretation
Repair:
Component replacement, adjustments, calibrations, system repairs
Overhaul:
Engine rebuilds, transmission overhauls, differential rebuilds
Diagnostics:
Use of diagnostic scan tools, circuit testing, component testing
Specifications:
Torque specifications, tolerances, clearances, electrical values
Wiring Diagrams:
Detailed electrical circuit diagrams for all systems
Depth:
Factory-level repair and diagnostic information, suitable for professional technicians and advanced DIYers
Engine Option 1:
6.0L V8 (L96 Vortec V8)
Engine Option 2:
6.2L V8 (L94 Vortec V8)
Engine Option 3:
5.3L V8 (LY5/LH9 Vortec V8) - More common for base models
Displacement 5.3L:
5.3 Liters (323 cu in)
Horsepower 5.3L:
315-320 hp @ 5200-5400 rpm (approx.)
Torque 5.3L:
335-345 lb-ft @ 4000-4400 rpm (approx.)
Displacement 6.0L:
6.0 Liters (366 cu in)
Horsepower 6.0L:
352 hp @ 5400 rpm (approx.)
Torque 6.0L:
382 lb-ft @ 4000 rpm (approx.)
Displacement 6.2L:
6.2 Liters (376 cu in)
Horsepower 6.2L:
380-403 hp @ 5500-5700 rpm (approx.)
Torque 6.2L:
417-415 lb-ft @ 4300-4400 rpm (approx.)
Induction:
Sequential Electronic Fuel Injection (SFI)
Fuel Type:
Unleaded gasoline
Fuel Requirement Flexfuel:
FlexFuel capabilities (E85) on certain 5.3L and 6.0L variants (check specific vehicle)
Cylinder Deactivation:
Active Fuel Management (AFM) on 5.3L and 6.2L engines
Wheelbase:
130.0 inches (3302 mm)
Length:
222.4 inches (5649 mm)
Width:
79.1 inches (2009 mm)
Height:
75.7 inches (1923 mm)
Passenger Capacity:
7-9 passengers (depending on seating configuration)
Cargo Volume Behind 3Rd Row:
45.8 cu ft (1297 L)
Cargo Volume Behind 2Nd Row:
97.1 cu ft (2750 L)
Cargo Volume Behind 1St Row:
137.4 cu ft (3891 L)
Curb Weight 2Wd:
Approx. 5,600 - 6,000 lbs (2540 - 2722 kg)
Curb Weight 4Wd:
Approx. 5,800 - 6,200 lbs (2631 - 2812 kg)
Towing Capacity:
Up to 8,100 lbs (3674 kg) with proper equipment and configuration
NHTSA Rollover Resistance:
4 out of 5 stars (typical for this generation)
Traction Control:
Standard StabiliTrak stability control system with traction control
ABS:
4-wheel Anti-lock Braking System (ABS)
Trailer Sway Control:
Integrated with StabiliTrak
Airbags:
Frontal airbags for driver and front passenger, side-curtain airbags for all rows
Seat Belts:
Three-point seat belts for all occupants, Pretensioners and load limiters for front seats
Child Anchors:
LATCH (Lower Anchors and Tethers for CHildren) system
Oil Change Interval:
100,000 miles (160,000 km) or 12 months (using Dexos synthetic oil and oil life monitoring system) or 5,000 miles (8,000 km) for severe service.
Transmission Fluid Change:
Refer to manual, typically around 60,000-100,000 miles for normal service, sooner for severe service/towing.
Coolant Flush:
Initial flush at 150,000 miles (240,000 km), then every 50,000 miles (80,000 km) thereafter (for Dex-Cool coolant).
Engine Oil Specification:
SAE 5W-30 full synthetic engine oil (GM dexos1 or equivalent)
Transmission Fluid Specification 4L60E:
Dexron-VI Automatic Transmission Fluid (ATF)
Transmission Fluid Specification 6L80E:
Dexron-VI Automatic Transmission Fluid (ATF)
Coolant Specification:
GM P/N 12378515 (orange) or 12378393 (purple), Extended Life Antifreeze/Coolant (Dex-Cool compatible)
Brake Fluid Specification:
DOT 3 brake fluid
Active Fuel Management Lifter Wear:
Potential for lifter failure or excessive oil consumption due to AFM system complexity, especially with improper maintenance or oil quality.
Water Pump Leaks:
Some instances of water pump seal leaks can occur, particularly after significant mileage.
Transmission Issues 4L60E:
While generally robust, the 4L60E can experience issues like torque converter clutch shudder or solenoid failures, especially under heavy use.
Rear Main Seal Leaks:
Occasional reports of rear main crankshaft seal leaks.
Brand Focus:
Chevrolet has a long history of producing large, capable trucks and SUVs, emphasizing utility and value.
Generation Name:
Third Generation (GMT900)
Design Philosophy:
The GMT900 Suburban featured a more refined and aerodynamic exterior design compared to its predecessors, with a more car-like interior and improved NVH (Noise, Vibration, Harshness) characteristics.
Manufacturing Location:
Janesville, Wisconsin, USA (primary)