General Maintenance, Periodic Lubrication, Maintenance Check List, Maintenance Chart, Service Instructions.
Repair:
Complete repair procedures for all covered systems.
Diagnostics:
Troubleshooting guides and diagnostic procedures.
Technical Depth
Depth:
Detailed technical data, circuits, diagrams, and equipment specifications, suitable for technicians and mechanics.
📊 Manual Specifications
File Format
Readability:
Searchable text within PDF files for quick information retrieval.
Print Quality
Quality:
Great Quality Printable Pages
Binding Type
Binding:
Digital (downloadable), not applicable for physical binding.
Paper Type
Paper:
Digital, not applicable for physical paper type.
Requirements
Software Requirements:
Adobe PDF Reader & WinZip
⚙️ Engine Specifications
Primary Engine
Engine Options:
3.4L V6 (L32) and 3.8L V6 (L36) Supercharged (for SS trim)
Performance
3.4L V6 Horsepower:
180 hp @ 4800 rpm
3.4L V6 Torque:
205 lb-ft @ 3200 rpm
3.8L Supercharged V6 Horsepower:
240 hp @ 5200 rpm
3.8L Supercharged V6 Torque:
280 lb-ft @ 3600 rpm
Fuel System
Fuel Delivery:
Sequential Fuel Injection (SFI)
Fuel Type:
Unleaded gasoline (87 octane recommended)
🔧 Transmission
Standard
Transmission Type:
4-speed automatic (4T65-E)
Optional
Transmission Options:
None for 2003 model year
Features
Transmission Features:
Electronically controlled, overdrive.
📐 Dimensions
Exterior
Length:
Approximately 199.7 inches
Width:
Approximately 72.4 inches
Height:
Approximately 57.4 inches
Wheelbase:
Approximately 110.5 inches
Interior
Passenger Volume:
Approximately 105.0 cubic feet
Cargo
Trunk Volume:
Approximately 17.0 cubic feet
Weights
Curb Weight 3.4L:
Approximately 3500-3600 lbs
Curb Weight 3.8L Sc:
Approximately 3700-3800 lbs
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
5 Stars
NHTSA Front Impact Passenger:
5 Stars
IIHS Moderate Overlap Frontal Offset:
Good
Active Features
Brakes:
Front vented discs, rear solid discs (ABS optional/standard depending on trim).
Traction Control:
Optional on some models.
Passive Features
Airbags:
Frontal airbags for driver and front passenger.
Seatbelts:
Three-point seatbelts for all outboard seating positions, front seatbelt pretensioners.
💡 Technology Features
Infotainment
Audio System:
Optional premium audio systems with CD player and cassette player, steering wheel audio controls available on higher trims.
Driver Assistance
Cruise Control:
Standard on all models.
Connectivity
Phone Integration:
Not available in this era of vehicle.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first (synthetic blend recommended).
Tire Rotation:
Every 7,500 miles.
Transmission Fluid Change:
Consult manual for specific intervals, typically around 100,000 miles or as needed.
Fluid Specifications
Engine Oil:
SAE 5W-30 (API certified)
Coolant:
Dex-Cool® Extended Life Antifreeze/Coolant (orange color)
Transmission Fluid:
Dexron® III (or equivalent)
Known Issues
Common Problems:
Intake manifold gasket leaks, power steering leaks, door lock actuator failures, and dashboard crack issues are commonly reported.
📚 Vehicle History
Brand Heritage
Chevrolet Legacy:
Chevrolet has a long history of producing popular and reliable American sedans.
Model Evolution
Impala Lineage:
The 2003 Impala is part of the seventh generation of the Impala nameplate, introduced for the 2000 model year, marking a return to a front-wheel-drive platform and a distinctively modern styling.
Production
Manufacturing Location:
General Motors Oshawa Car Assembly in Oshawa, Ontario, Canada.
Model Year Range:
2000-2005 for this generation of Impala.
🏆 Awards & Recognition
Recognitions
Safety Awards:
Earned 5-star frontal crash test ratings from NHTSA.
Ratings
IIHS Ratings:
Rated 'Good' for moderate overlap frontal offset crashworthiness by IIHS.
Certifications
Compliance:
Meets all US Federal Motor Vehicle Safety Standards (FMVSS).
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