Target Audience:
DIY enthusiasts, independent repair shops, professional technicians
Manual Value Proposition:
Comprehensive, factory-level information at a fraction of the cost of dealership service, lifetime access, broad model year and variant coverage
Key Features Summary:
Full factory coverage, detailed diagrams, step-by-step procedures, troubleshooting guides, lifetime access
Model Years Covered:
1999, 2000, 2001, 2002, 2003
Vehicle Variants Covered:
GMC Suburban, GMC Yukon, GMC Yukon XL, Chevrolet Tahoe, Chevrolet Suburban, Cadillac Escalade, Cadillac Escalade ESV, Cadillac Escalade EXT
Estimated Page Count:
Hundreds (specific number not provided, but described as very detailed with hundreds of pages)
Manual Type:
Factory Service & Repair Workshop Manual
Digital Format:
PDF Download
Device Compatibility:
Computers (Windows & MAC), Tablets, Smartphones
Licensing Terms:
Lifetime Use, No Expiry, No Renewal Fees
Installation Policy:
Unlimited Installations across multiple devices
Version Type:
Full, Unrestricted Version
Powertrain:
Engine mechanical, fuel system, lubrication system, cooling system, exhaust system, ignition system, starter system, charging system, transmission (automatic), transfer case (4WD models)
Chassis:
Suspension (front and rear), steering system, brake system (front and rear, ABS), driveline, wheels and tires
Electrical:
Body control module (BCM), powertrain control module (PCM), instrument panel, lighting, audio system, HVAC controls, power accessories (windows, locks, mirrors), anti-theft system, airbags (SRS), diagnostic trouble codes (DTCs)
Body:
Exterior body panels, interior trim, doors, windows, seats, bumpers, glass, sunroof (if equipped)
Maintenance:
Scheduled maintenance, fluid changes (oil, coolant, transmission fluid, brake fluid, power steering fluid), filter replacements (oil, air, fuel, cabin), spark plug replacement, belt replacement
Repair:
Engine component repair/replacement (e.g., head gaskets, water pump, alternator), transmission overhaul/replacement, brake system repair (rotors, pads, calipers, lines), suspension component repair (shocks, struts, ball joints, control arms), steering system repair (tie rods, power steering pump), electrical component diagnosis and repair, body panel repair and replacement
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues, wiring diagrams, component testing, fault code interpretation
Diagnostics:
On-board diagnostics (OBD-II) system, diagnostic trouble code (DTC) lookup and interpretation, live data stream analysis
Depth Of Coverage:
Comprehensive, from basic scheduled maintenance to complete engine and transmission rebuilds, electrical system diagnostics, and body repair
Visual Aids:
Detailed photos, illustrations, and exploded diagrams
Instruction Style:
Step-by-step instructions, professional mechanic level
Engine Options:
5.0L Vortec 305 V8 (L30), 5.7L Vortec 350 V8 (L31), 6.0L Vortec 364 V8 (LQ4/LQ9), 4.8L Vortec 293 V8 (LR4 - some trims/years), 6.2L V8 (for Escalade - specific years within range)
Horsepower Torque Range:
Typically 200-325 hp and 250-360 lb-ft torque, depending on engine and year (specific values vary)
Fuel Delivery:
Sequential Multi-Port Fuel Injection (SFI)
Common Engine Codes:
L31 (5.7L), LQ4 (6.0L)
Infotainment Features:
Available CD player, AM/FM radio, optional Bose premium sound system, optional rear-seat entertainment system (DVD player).
Driver Assistance Features:
Rear parking assist (optional), StabiliTrak (optional on select models).
Connectivity Features:
OnStar telematics system available on many models.
Lighting Systems:
Halogen headlights, available fog lights, daytime running lights (DRLs).
Oil Change Interval:
Typically 3,000-5,000 miles for conventional oil, up to 7,500 miles for synthetic oil (refer to manual for specific engine and oil type recommendations)
Coolant Change Interval:
Initial change at 5 years or 100,000 miles, then every 3 years or 50,000 miles (using Dex-Cool or equivalent)
Transmission Fluid Change Interval:
Approximately every 50,000-100,000 miles, depending on driving conditions (refer to manual)
Engine Oil Specification:
SAE 5W-30 or 10W-30 (depending on ambient temperature), API certified (refer to manual for precise grade and type, e.g., synthetic blend or full synthetic)
Coolant Specification:
GM P/N 12346290 (Orange/Yellow Dex-Cool Extended Life Antifreeze/Coolant) or equivalent
Transmission Fluid Specification:
Dexron III/VI Automatic Transmission Fluid (ATF)
Brake Fluid Specification:
DOT 3
Common Problems:
Head gasket leaks (especially 5.7L Vortec L31), intake manifold gasket leaks, transmission solenoid issues, ABS sensor failures, steering column intermediate shaft wear, fuel pump failures, liftgate actuator issues, instrument cluster gauge sweep problems (intermittent failures).
Oil Filter Part Number Example:
GM P/N 25329388 (ACDelco PF1218) or equivalent
Air Filter Part Number Example:
GM P/N 15260067 (ACDelco A2301C) or equivalent
Brand Focus:
GMC (General Motors Company) historically focused on trucks and utility vehicles, often positioned as a premium or professional-grade offering compared to Chevrolet.
Platform Introduction:
The GMT800 platform was introduced for the 1999 model year, marking a significant redesign for these full-size SUVs and the Suburban. This generation was known for its more modern styling, improved ride comfort, and updated powertrains.
Manufacturing Locations:
United States (e.g., Arlington, Texas; Janesville, Wisconsin)
