Target Audience:
Owners of 1999-2006 GMC Sierra trucks seeking to perform maintenance, repairs, or restorations themselves, as well as professional automotive technicians.
Completeness:
100% complete and intact, no missing or corrupt pages/sections. Covers all models and all engines within the specified production years.
Content Detail:
Detailed illustrations, diagrams, wiring schematics, specifications, and step-by-step instructions based on complete disassembly.
Cost Savings:
Inexpensive way to keep the vehicle working properly and save money on labor costs.
Delivery:
Instant download upon payment completion, eliminating shipping costs and waiting times.
Model Years:
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Type:
Complete Service and Repair Manual
Scope:
Comprehensive repair and service information, not a condensed or basic guide.
Engine:
All engine overhaul, rebuilding, performance tuning, timing belt/chain service, serpentine belt routing, firing orders, troubleshooting and diagnostics, computer diagnostic codes.
Transmission:
Removal and installation, in-car servicing, diagnostic trouble trees, specifications.
Brakes:
Comprehensive servicing procedures, specifications, troubleshooting.
Suspension:
Front-end alignment procedures and specifications, general suspension repair.
Electrical:
Complete wiring diagrams, diagnostic trouble tree charts.
Body:
Sunroof service, general body repair procedures.
HVAC:
Air conditioning service, capacities, troubleshooting.
Drivetrain:
Service procedures for rear differentials, driveshafts, U-joints, and CV joints.
Steering:
Procedures for steering system components, including power steering pump, rack and pinion (if applicable), and tie rods.
Exhaust:
Information on exhaust system components, including catalytic converters, mufflers, and pipes, along with repair and replacement guidance.
Maintenance:
Factory maintenance schedules and charts, routine servicing, fluid specifications.
Repair:
Step-by-step repair procedures for all covered systems, detailed illustrations and diagrams.
Diagnostics:
Trouble codes, computer diagnostic trouble trees, troubleshooting procedures.
Torque Specifications:
Complete torque specifications for all critical fasteners and components across various systems.
Troubleshooting Guides:
Diagnostic trouble tree charts for systematic troubleshooting of electrical and mechanical issues.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine rebuilding and advanced diagnostics. Suitable for DIY enthusiasts and professional mechanics.
Illustrations Diagrams:
Hundreds of high-quality photos and detailed diagrams illustrating each service and repair procedure.
Illustrations Detail:
Detailed component illustrations and exploded views for easier part identification and reassembly.
Requirements:
Adobe PDF Reader, WinZip
Compatibility:
All Versions of Windows, Mac, Linux OS, iPhone, iPad, Android devices.
Storage:
Can be saved to hard drive or burned to CD-ROM.
Searchability:
Searchable text for quick information retrieval.
Bookmarking:
Bookmarked for easy navigation.
Printing Capability:
Printable pages for offline use.
Binding:
Digital Download (PDF)
Paper:
Not Applicable (Digital)
Engine Options:
Covers all engine variants for the 1999-2006 GMC Sierra, including but not limited to: 4.3L V6 (Vortec 4300), 4.8L V8 (Vortec 4800), 5.3L V8 (Vortec 5300), 6.0L V8 (Vortec 6000), 6.2L V8 (rare, typically in heavy-duty variants, though manual specifies all engines).
Engine Codes:
Likely covers common engine codes associated with the Vortec V6 and V8 engines of this era, such as L31, L30, LM7, L59, LQ4, LQ9.
Horsepower Torque:
Detailed specifications for horsepower and torque for each engine variant are provided within the manual.
Fuel Delivery:
Information on fuel injection systems, fuel pumps, injectors, and related components for all engine options.
Transmission Types:
Details on both manual and automatic transmissions offered in the Sierra during this period, likely including 5-speed manuals and 4-speed automatics (e.g., 4L60E, 4L80E).
Transfer Case:
Coverage likely includes 2WD and 4WD transfer case servicing and operation.
Transmission Service:
In-car servicing procedures, fluid capacities, filter replacement, diagnostic procedures, and torque specifications for transmission components.
Body Styles:
Covers various configurations including regular cab, extended cab, and crew cab, with different bed lengths (short bed, long bed).
Curb Weight:
Specific weight data for different configurations and powertrains is detailed in the manual's specifications sections.
NHTSA Ratings:
While the manual itself doesn't provide ratings, it details systems that contribute to safety, such as brake systems and suspension, enabling owners to maintain them.
ABS Systems:
Detailed information on Anti-lock Braking System (ABS) components, diagnosis, and repair procedures.
Airbags:
Procedures related to airbag system maintenance and diagnostic checks are likely included, with appropriate safety warnings.
Audio Systems:
Information on factory-installed radio and speaker systems, including troubleshooting and potential upgrades, is covered within the electrical sections.
Cruise Control:
Diagnosis and repair of cruise control systems are detailed in the relevant electrical and powertrain sections.
Lighting Systems:
Comprehensive wiring diagrams and troubleshooting for headlights, taillights, interior lighting, and accessory lighting.
Recommended Intervals:
Comprehensive factory maintenance schedules covering oil changes, filter replacements, fluid checks, and component inspections at various mileage and time intervals.
Engine Oil:
Specific viscosity grades and API service classifications for engine oil (e.g., SAE 5W-30, 10W-30 depending on engine and climate) and capacities for all engine variants.
Coolant:
Type of engine coolant (e.g., Dex-Cool compatible orange coolant), mixture ratios, and system capacities.
Transmission Fluid:
Specific automatic transmission fluid (ATF) type (e.g., Dexron III/VI) and manual transmission gear oil specifications, along with capacities.
Brake Fluid:
DOT 3 or DOT 4 brake fluid specifications and reservoir capacity.
Common Wear Items:
Guidance on common wear items such as front hub bearings, intake manifold gaskets (on some Vortec V8s), and catalytic converters, along with repair procedures.
Gmc Legacy:
GMC has a long history of producing trucks and commercial vehicles, with the Sierra nameplate representing their line of full-size pickup trucks known for durability and capability.
Gmt800 Generation:
The 1999-2006 model years represent the GMT800 platform, a significant redesign that introduced a more modern chassis, updated styling, and improved powertrain options compared to its predecessors.
Manufacturing Locations:
GMT800 Sierras were primarily manufactured in North America (e.g., Fort Wayne, Indiana; Oshawa, Ontario).
