Positioning:
Targeted at GMC Sierra 1500 owners seeking reliable, in-depth repair and maintenance information, differentiating itself from generic online forums and basic owner's manuals by providing OE-derived licensed data.
Advantages Over Print:
Convenience, instant access, searchability, multi-device compatibility, typically more cost-effective than purchasing individual printed shop manuals.
Licensing:
Officially licensed by GM (General Motors), ensuring accuracy and authenticity of information derived from OE (Original Equipment) materials.
Developer:
RepairSurge (specialized automotive software company)
User Benefit:
Empowers DIY repairs, saving money on labor costs, and facilitates proactive maintenance for vehicle longevity.
Primary Coverage:
Service and Repair Manual Software
Secondary Coverage:
Maintenance, Diagnostics, Troubleshooting, Component Replacement, Wiring Diagrams, Specifications
Estimated Content Equivalent:
Thousands of pages (digital format with searchable content)
Type:
Online Service and Repair Manual (Software)
Access Method:
Web Browser Access (Internet Connection Required)
Device Compatibility:
PC, Laptop, Smartphone, Tablet
Subscription Duration:
1 Year Access (Discounted renewal available)
Powertrain:
Engine Mechanical, Fuel System, Ignition System, Exhaust System, Engine Control Systems (ECM), Transmission (Automatic & Manual), Drivetrain (Front Wheel Drive, Rear Wheel Drive, All Wheel Drive), Axles, Driveshafts
Chassis:
Brakes (Hydraulic, ABS, Traction Control), Steering System, Suspension System (Front & Rear), Wheels & Tires
Electrical And Body:
Body Control Modules (BCM), Powertrain Control Module (PCM), Chassis Control Modules (CCM), Lighting Systems (Interior & Exterior), Instrument Cluster, HVAC (Heating, Ventilation, Air Conditioning), Audio Systems, Security Systems, Wiring Diagrams, Fuses & Relays, Body Panels, Doors, Glass, Interior Trim
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks & Replacements, Spark Plug Replacement, Belt Inspection & Replacement, Brake Fluid Flush, Coolant Flush, Air Filter Replacement, Tire Rotation
Repair And Diagnostics:
Engine Repair (Seals, Gaskets, Timing Components), Transmission Overhaul, Brake System Repair (Calipers, Rotors, Lines), Suspension Component Replacement (Shocks, Struts, Ball Joints, Bushings), Steering System Repair (Rack & Pinion, Power Steering Pump), Electrical Troubleshooting, HVAC System Repair, Component Replacement (Alternator, Starter, Water Pump, Fuel Pump), Diagnostic Trouble Code (DTC) interpretation and repair procedures
Technical Procedures:
Torque Specifications, Alignment Procedures, Diagnostic Scan Tool Usage, Component Testing, Wiring Harness Repair, Software Updates/Reprogramming (where applicable)
Depth:
Comprehensive Factory-Level Detail, including component removal and installation, diagnostic trees, troubleshooting guides, and detailed technical specifications. Suitable for both DIY enthusiasts and professional technicians.
âïž Engine Specifications
Available Engine Options 2008 Sierra 1500:
4.3L V6 (L2B), 4.8L V8 (LY2), 5.3L V8 (LY5/L76), 6.0L V8 (L96/LQ4 - for 2500HD, but common reference)
Typical Hp 5.3L V8:
Approx. 315 hp @ 5200 rpm (LY5)
Typical Torque 5.3L V8:
Approx. 338 lb-ft @ 4400 rpm (LY5)
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline (87 octane recommended)
Engine Management:
GM's Electronic Throttle Control (ETC) system
Cylinder Deactivation:
Active Fuel Management (AFM) on some 5.3L V8 engines (LY5)
Standard Transmission Type:
4-speed Automatic (4L60-E / 4L70-E)
Optional Transmission Type:
6-speed Automatic (6L80-E for some engine variants/models)
Transmission Fluid Type:
Dexron-VI (Automatic Transmission Fluid)
Wheelbase Std Cab:
143.5 inches
Wheelbase Ext Crew Cab:
143.5 inches
Overall Length Various Configurations:
Varies by cab and bed configuration (e.g., 227.4 inches for a 1500 Extended Cab Short Box)
Curb Weight Approximate:
4,900 - 5,400 lbs (depending on configuration)
Gvwr Approximate:
6,700 - 7,200 lbs (depending on configuration)
NHTSA Frontal Crash Test Driver:
5 Stars (for models tested)
NHTSA Frontal Crash Test Passenger:
5 Stars (for models tested)
NHTSA Side Impact Front Seat Passenger:
5 Stars (for models tested)
IIHS Moderate Overlap Frontal Offset:
Good (for models tested)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Traction Control System (TCS)
Airbags:
Standard front airbags, available side-impact airbags and curtain airbags
Seatbelts:
Three-point seatbelts with pretensioners
Infotainment Systems:
Available AM/FM/CD/MP3 audio systems, optional navigation, and rear-seat entertainment systems.
Driver Assistance Features:
Parking assist sensors (rear), integrated trailer brake controller (optional).
Connectivity Options:
Auxiliary input jacks for audio devices.
Oil Change Interval:
Typically 7,500 miles or 6 months, or as indicated by the Oil Life Monitoring System (OLMS).
Tire Rotation Interval:
Every 7,500 miles
Engine Air Filter Replacement:
Check every 7,500 miles, replace as needed or around 30,000 miles.
Cabin Air Filter Replacement:
Check annually or every 15,000 miles, replace as needed.
Engine Oil Type 4.8L 5.3L:
SAE 5W-30 Full Synthetic (API SN or newer)
Engine Oil Capacity 5.3L:
7.0 US Quarts (with filter)
Coolant Type:
Dex-Cool (Orange Extended Life Coolant) - GM Part Number 12346290 or equivalent
Active Fuel Management Lifter Noise:
Some 5.3L V8 engines with AFM can develop lifter noise due to the deactivation system. The manual will guide on diagnosis and potential solutions.
Transmission Shifting Issues:
Intermittent shifting problems or harsh shifts may occur; the manual provides diagnostic procedures for transmission control modules and solenoids.
Suspension Wear:
Components like ball joints, tie rod ends, and sway bar links can experience wear over time, especially with heavy use. The manual details inspection and replacement procedures.
Gmc Legacy:
GMC (General Motors Truck Company) has a long history of producing reliable trucks and commercial vehicles, with the Sierra line representing their flagship pickup truck offering.
Sierra Line 2008:
The 2008 Sierra 1500 is part of the third generation (GMT900 platform) introduced in 2007, featuring a significant redesign with improved aerodynamics, interior comfort, and updated powertrains compared to its predecessor.
Manufacturing Locations:
Various GM assembly plants in North America, including Fort Wayne, Indiana; Silao, Mexico.
đ Awards & Recognition
Jd Power Ratings:
J.D. Power and Associates consistently ranked the Sierra 1500 favorably in its segment for dependability and initial quality during this generation.
Motor Trend Truck Of The Year:
While the Sierra 1500 itself might not have won 'Truck of the Year' in 2008, the platform it shares with the Chevrolet Silverado was a strong contender and recipient in previous years, indicating robust engineering.
