Target Audience:
Families and owners needing a full-size SUV with towing capacity and three-row seating
Segment:
Full-size body-on-frame SUV
Key Competitors:
Chevrolet Tahoe and Suburban, Ford Expedition, Toyota Sequoia
Advantage:
Premium trim availability (Denali) with the 6.2L V8 and magnetic ride control
Engines:
5.3L EcoTec3 V8 with direct injection and cylinder deactivation
Chassis:
Fully boxed frame with independent front and five-link rear coil-spring suspension
Coverage Areas:
Complete service, repair, maintenance, rebuild and overhaul procedures for all systems
Technical Content:
Diagnostics, step-by-step instructions, specifications, illustrations, diagrams and wiring schematics
Manual Type:
Complete workshop service repair manual
Delivery Method:
Instant digital download after payment
Printable:
All pages printable for workshop use
Engine:
5.3L and 6.2L EcoTec3 V8 mechanical repair, rebuild and overhaul
Fuel and Emissions:
Direct injection fuel system, evaporative emissions, exhaust
Transmission:
6L80, 8L90 and 10L80 automatic transmission service and rebuild
Transfer Case and Axles:
Four-wheel drive transfer case, differentials, driveshafts
Suspension and Steering:
Front and rear suspension, magnetic ride control, power steering
Brakes:
Hydraulic brakes, ABS, electronic brake controls, parking brake
Electrical:
Complete wiring schematics, body control modules, lighting, gauges
HVAC:
Heating, ventilation and automatic air conditioning systems
Body and Interior:
Panels, trim, seats, power tailgate, glass, mirrors
Diagnostics:
Troubleshooting charts and diagnostic trouble code procedures
Scheduled Maintenance:
Service intervals and fluid specifications
Repairs:
Step-by-step removal, disassembly, inspection and reassembly
Torque Data:
Fastener torque specifications throughout
Illustrations:
Detailed illustrations, exploded diagrams and wiring schematics
Level:
Professional technician depth, suitable for DIY owners
Special Tools:
Special tool requirements identified where applicable
DTC Coverage:
Engine, transmission, ABS and body module fault codes
Part Numbers:
Factory part numbers referenced in procedures
Specifications:
Clearance, wear limit and adjustment specifications included
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:
5.3L EcoTec3 V8 (L83), direct injection
Horsepower:
355 hp @ 5,600 rpm
Torque:
383 lb-ft @ 4,100 rpm
Bore and Stroke:
96.0 mm x 92.0 mm
Compression Ratio:
11.0:1
Engine:
6.2L EcoTec3 V8 (L86), Denali and Yukon Denali
Horsepower:
420 hp @ 6,000 rpm
Torque:
460 lb-ft @ 4,100 rpm
Fuel Delivery:
High-pressure direct injection
Fuel Requirement:
Regular unleaded (87 octane); premium recommended for maximum 6.2L output
Fuel Tank Capacity:
32 gallons
Cylinder Deactivation:
Active Fuel Management (4-cylinder mode)
Type:
6-speed automatic (6L80) with 5.3L V8
Drivetrain:
Rear-wheel drive or four-wheel drive
Type:
8-speed automatic (8L90) with 5.3L and 6.2L V8
Type:
10-speed automatic (10L80) available on Denali with 6.2L V8
Tow/Haul Mode:
Integrated tow/haul mode with grade braking
Shift Controls:
Electronic range select via tap-up/tap-down shift buttons
Height:
74.4 inches (approximate, varies by trim)
Ground Clearance:
Approximately 8.0 inches
Curb Weight:
Approximately 5,400-5,800 lb depending on drivetrain and trim
Max Towing Capacity:
Up to 8,500 lb properly equipped
NHTSA Overall Rating:
NHTSA overall rating not stated in this manual; consult NHTSA.gov for official 2017 results
Stability Control:
StabiliTrak electronic stability control with traction control
Braking Aids:
4-wheel ABS with electronic brake force distribution
Camera:
Rear vision camera standard
Airbags:
Front, side-impact and head-curtain airbags with passenger sensing system
Structure:
High-strength steel safety cage on fully boxed frame
System:
IntelliLink infotainment with 8-inch color touchscreen
Audio:
Bose premium audio system on upper trims
Connectivity:
Bluetooth, USB, OnStar 4G LTE Wi-Fi hotspot capable
Safety Alert Seat:
Haptic driver alert seat
Available Systems:
Forward collision alert, lane keep assist, front and rear park assist, rear cross traffic alert, side blind zone alert
Oil Change:
Engine Oil Life System monitoring; typically up to 7,500 miles or 12 months
Tire Rotation:
Every 7,500 miles with oil change
Air Filter:
Inspect/replace per Engine Oil Life System schedule, approximately every 30,000-45,000 miles
Engine Oil:
SAE 0W-20 dexos1 full synthetic (5.3L and 6.2L)
Automatic Transmission Fluid:
DEXRON-VI automatic transmission fluid
Coolant:
DEX-COOL extended life coolant
Transfer Case Fluid:
DEXRON-VI automatic transmission fluid
Known Issues / Common Wear Items
Active Fuel Management:
AFM lifter wear is a known concern on EcoTec3 V8s; monitor for misfire codes
Brakes and Rotors:
Heavier curb weight accelerates brake pad and rotor wear, especially when towing
Suspension:
Inspect coil springs, bushings and shocks regularly when used for towing
Manufacturer:
General Motors (GMC division)
Platform Sharing:
Mechanical twin to the Chevrolet Tahoe and Suburban and Cadillac Escalade (GMT K2)
Generation:
Fourth generation introduced for 2015 with fully boxed frame and EcoTec3 engines
2017 Updates:
10-speed automatic availability on Denali with the 6.2L V8; Teen Driver feature added
Assembly Plant:
Arlington Assembly, Arlington, Texas, USA