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2008 GMC Savana Service and Repair Manual
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๐ท๏ธ Basic Information Identification Make: GMC Model: Savana Year: 2008 Vehicle Type: Full-size Van Codes Platform: GMT900 (shared with Chevrolet Express) ๐ Introduction Market Position Target Audience: DIY enthusiasts, independent...
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๐ท๏ธ Basic Information
Identification
Make:
GMC
Model:
Savana
Year:
2008
Vehicle Type:
Full-size Van
Codes
Platform:
GMT900 (shared with Chevrolet Express)
๐ Introduction
Market Position
Target Audience:
DIY enthusiasts, independent repair shops, fleet maintenance
Competitive Analysis
Value Proposition:
Offers dealership-level repair information at a fraction of the cost, enabling cost savings on maintenance and repairs.
Key Features
Key Benefit 1:
Vehicle-specific information ensures accuracy and proper repair procedures.
Key Benefit 2:
Comprehensive coverage (A-Z) eliminates the need for multiple resources.
Key Benefit 3:
Digital format offers convenience, portability, and cost-effectiveness (print only what's needed).
Key Benefit 4:
Includes factory diagrams and schematics crucial for accurate diagnosis and repair.
๐ Manual Details
Coverage Areas
Coverage Scope:
All models, all repairs A-Z
Manual Type:
Service and Repair Manual
Language
Language:
English
Format
File Format:
PDF
Digital Delivery:
Speed Download
Print Capability:
Printable (pages as needed)
System Compatibility:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac
Software Requirements:
Adobe PDF Reader, Winzip
๐ Manual Coverage
Systems Covered
Engine Mechanical:
Complete engine service, rebuild, specifications, timing, cooling, lubrication
Engine Control System:
Fuel injection, ignition system, emissions control, diagnostics
Transmission:
Automatic transmission service, diagnosis, repair; Manual transmission service, diagnosis, repair
Drivetrain:
Transfer case, propeller shaft, drive shafts, differentials, axles, suspension, steering (column & power)
Brakes:
Brake system diagnosis, repair, components, parking brake
Electrical Systems:
Wiring schematics, lighting, starting, charging, body electrical, multiplex/CAN communication
HVAC:
Air conditioning system service and repair
Safety Systems:
Supplemental Restraint System (SRS), seat belts, engine immobilizer
Interior And Exterior:
Body panels, doors, locks, seats, instrument panel, glass, mirrors, wipers, washers
Cruise Control:
Service and diagnosis of cruise control system
Audio Visual:
Meter, audio/visual system service
Procedures Included
Maintenance:
Routine maintenance, fluid changes, filter replacements, inspections
Diagnostics:
Troubleshooting common problems, diagnostic trouble codes (DTCs), symptom-based diagnosis
Repair:
Step-by-step repair instructions for all major vehicle systems
Rebuilding:
Engine and transmission rebuilding procedures
Installation:
Component installation procedures
Specifications:
Torque specifications, clearances, fluid capacities, electrical specifications
Technical Depth
Depth Of Information:
Factory-level, technician-grade detail
Illustrations:
Comprehensive diagrams and illustrations
Wiring Schematics:
Detailed electrical wiring schematics
Troubleshooting Guides:
Specific troubleshooting procedures and flowcharts
๐ Manual Specifications
File Format
File Type:
PDF
Searchability:
Searchable text content
Print Quality
Print Resolution:
High-resolution, suitable for printing enlarged diagrams
Binding Type
Binding Type:
Digital (no physical binding)
Paper Type
Paper Type Equivalent:
High-quality paper suitable for workshop use when printed
โ๏ธ Engine Specifications
Primary Engine
Engine Options 2008:
4.3L V6 (Vortec 4300 LG4), 5.3L V8 (Vortec 5300 LH6), 6.0L V8 (Vortec 6000 LY6 - typically heavy duty models)
Performance
Engine 4.3L V6 Hp:
~195 hp @ 4600 rpm (typical)
Engine 4.3L V6 Torque:
~260 lb-ft @ 3600 rpm (typical)
Engine 5.3L V8 Hp:
~301 hp @ 5200 rpm (typical)
Engine 5.3L V8 Torque:
~325 lb-ft @ 4000 rpm (typical)
Engine 6.0L V8 Hp:
~323 hp @ 5400 rpm (typical)
Engine 6.0L V8 Torque:
~373 lb-ft @ 4400 rpm (typical)
Fuel System
Fuel Delivery:
Multi-port fuel injection (MPFI)
Fuel Type:
Unleaded Gasoline
๐ง Transmission
Standard
Transmission Standard Engine 4.3L:
4-speed automatic (4L60-E)
Transmission Standard Engine 5.3L/6.0L:
4-speed automatic (4L60-E or 4L80-E for heavier duty applications)
Optional
Manual Transmission Availability:
Rare/Not commonly specified for 2008 Savana, primarily automatic.
Features
Transmission Control:
Electronic transmission control
Transmission Fluid Type:
Dexron III/VI (refer to manual for exact specification based on transmission)
๐ Dimensions
Exterior
Wheelbase Options:
135.2 inches (standard), 155.2 inches (extended)
Length Standard Wb:
approximately 224.1 inches
Length Extended Wb:
approximately 244.1 inches
Width:
approximately 79.7 inches (excluding mirrors)
Height:
approximately 77.5 inches (standard roof)
Weights
Curb Weight Typical:
4,700 - 5,500 lbs (depending on configuration)
Gross Vehicle Weight Rating Gvwr:
7,300 lbs to 9,600 lbs (depending on model/configuration)
๐ก๏ธ Safety Features
Ratings
NHTSA Rollover Resistance:
Typically 4 out of 5 stars for this era of body-on-frame vans
IIHS Ratings:
Varies by test and year, generally acceptable for frontal impact.
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS)
Stability Control:
Available StabiliTrak Electronic Stability Control
Passive Features
Airbags:
Driver and front passenger airbags
Seatbelts:
3-point seatbelts for all passenger seating positions
๐ก Technology Features
Infotainment
Infotainment System Base:
Factory AM/FM stereo with CD player, possibly with auxiliary input.
Infotainment System Optional:
Optional upgraded audio systems, navigation (less common in base models).
Driver Assistance
Driver Assistance Features:
Rear parking assist (optional), some models may have basic cruise control.
Connectivity
Connectivity Features:
OnStar communications system (optional, subscription-based).
๐ง Maintenance
Service Intervals
Oil Change Interval:
Typically 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type. Refer to manual for specific recommendations.
Engine Air Filter Replacement:
Recommended every 15,000-30,000 miles or as needed based on inspection.
Cabin Air Filter Replacement:
Recommended every 15,000-30,000 miles or annually.
Spark Plug Replacement V8:
Typically 100,000 miles for iridium spark plugs.
Transmission Fluid Service:
Recommended every 30,000-60,000 miles, depending on usage and fluid type.
Fluid Specifications
Engine Oil Specification:
SAE 5W-30 Synthetic Blend or Full Synthetic recommended (check manual for specific viscosity and API service rating).
Coolant Type:
GM DEX-COOLยฎ coolant (orange color), or equivalent extended life coolant.
Brake Fluid Type:
DOT 3
Known Issues
Common Issue 1:
Transmission issues (e.g., torque converter shudder, solenoid failures in 4L60-E) can occur with high mileage or heavy use.
Common Issue 2:
Fuel pump failures are not uncommon in this generation.
Common Issue 3:
Power steering system leaks or pump issues can develop over time.
Common Issue 4:
Corrosion on body panels, particularly in areas exposed to road salt.
๐ Vehicle History
Brand Heritage
Gmc Heritage:
GMC (General Motors Company) has a long history of producing trucks and commercial vehicles, emphasizing durability and utility.
Model Evolution
Savana Generation:
Part of the GMT900 platform, which replaced the GMT800 platform. The Savana/Express line has a lineage tracing back to the Chevrolet Van and GMC Vandura of the 1970s.
Production
Savana Production Era:
First generation: 1996-2002. Second generation (GMT800): 2003-2007. Third generation (GMT900): 2008-present.
Manufacturing Location:
United States (primarily Wentzville, Missouri assembly plant)
๐ Awards & Recognition
Recognitions
Automotive Awards:
The Savana is a workhorse van and typically not a focus of mainstream automotive awards, but consistently recognized for its utility and capability in its class.