🏷️ Basic Information Identification Make: Pontiac Model: Grand Prix Year: 2004 Body Style: Sedan Codes Platform: W-body 👋 Introduction Market Position Segment: Mid-size Sedan Brand Perception: Pontiac positioned as a performance-oriented, youth-focused division of GM, offering sportier styling and driving dynamics compared to Chevrolet. Competitive Analysis Competitors 2004: Ford Taurus, Chevrolet Impala, Dodge Intrepid, Toyota Camry, Honda Accord. Key Features Performance Orientation: Grand Prix line often offered performance-oriented trims like GT and GTP with more powerful engine options and sportier suspension tuning. Styling: Distinctive styling for its era, often featuring aggressive lines and a sporty facade. 📋 Manual Details Coverage Areas States Covered: U.S. (reporting safety defects) Page Count Estimated Page Count: Likely 200-300 pages (typical for factory owner's manuals of this era) Manual Type Type: Owner's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Instrument Cluster: Detailed descriptions of all gauges, warning lights, and indicators. Entertainment Systems: Operation of the factory-installed audio system, radio, CD player, and speaker configuration. Climate Controls: Operation of manual and automatic climate control systems, including A/C, heater, and ventilation. Lights: Operation of exterior and interior lighting, including headlights, taillights, turn signals, and cabin lights. Driver Controls: Explanation of steering wheel controls, cruise control, power outlets, and other driver-operated features. Locks And Security: Operation of power door locks, keyless entry system, and anti-theft features. Seating And Safety Restraints: Adjustment of seats, seat belt operation and care, and child seat installation guidelines. Driving: Information on starting, stopping, parking, and general driving tips. Customer Assistance: Information on contacting customer support and roadside assistance. Reporting Safety Defects: Procedure for reporting safety-related defects in the U.S. Cleaning: Guidelines for cleaning the interior and exterior of the vehicle, including materials care. Maintenance And Specifications: General maintenance guidelines and essential vehicle specifications. Engine Compartment: Identification of key engine components and fluid reservoirs. Engine Oil: Recommendations for engine oil type, viscosity, and checking procedure. Battery: Information on battery maintenance, terminal care, and jump-starting procedures. Fuel Information: Recommended fuel type and octane rating, fuel system warnings. Air Filter: Information regarding the engine air filter(s) and replacement. Part Numbers: Listing of some common replacement part numbers for maintenance items. Refill Capacities: Capacities for engine oil, coolant, windshield washer fluid, and other essential fluids. Lubricant Specifications: Specifications for various lubricants used throughout the vehicle (e.g., transmission fluid, brake fluid). Accessories: Information on optional factory-installed accessories and their usage. Procedures Included Basic Checks: Procedures for checking fluid levels (oil, coolant, brake fluid, washer fluid), tire pressure, and light operation. Fluid Checks: Detailed steps for checking and topping off essential vehicle fluids. Tire Maintenance: Information on recommended tire pressures, rotation, and inspection. Jump Starting: Step-by-step instructions for safely jump-starting the vehicle's battery. Changing A Tire: Basic guidance on changing a flat tire, including the location of the spare tire and jack. Fuse Replacement: Location of fuse boxes and guidance on replacing blown fuses. Bulb Replacement: Guidance on replacing common exterior and interior light bulbs. Child Seat Installation: Recommendations and best practices for installing child safety seats. Driving Operations: Instructions on using various driving aids like cruise control and transmission modes. Cleaning Recommendations: Advice on proper cleaning methods for different vehicle surfaces. Technical Depth Depth: Covers essential owner-level information for safe operation, basic maintenance, and understanding vehicle features. Does not delve into complex diagnostic or repair procedures typically found in a service manual. 📊 Manual Specifications File Format Format: PDF Reader Requirement: Requires PDF reader (e.g., Adobe Acrobat Reader, Foxit Reader). Print Quality Quality: Digital PDF derived from original factory scans, expected to be legible and searchable. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options: The 2004 Grand Prix was available with several engine options: 3.8L V6 (naturally aspirated) and 3.8L V6 Supercharged (GTP models). Engine Code Naturally Aspirated: L36 (3.8L Series I V6) Engine Code Supercharged: L67 (3.8L Series I Supercharged V6) Performance Hp L36: Approximately 200 hp @ 5200 rpm Torque L36: Approximately 225 lb-ft @ 4000 rpm Hp L67: Approximately 260 hp @ 5400 rpm Torque L67: Approximately 280 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Port Fuel Injection (SFI) Fuel Information Recommended Octane: 87 octane (for L36), 91 octane recommended for L67 Supercharged for optimal performance and to avoid detonation. 🔧 Transmission Standard Transmission Type: 4-speed automatic transaxle (4T65-E) Optional Optional Transmissions: No manual transmission offered on the 2004 Grand Prix. Features Traction Control: Traction control system (TCS) was often standard or available, especially on performance models. Transmission Fluid Spec: Dexron III or Dexron VI automatic transmission fluid (refer to manual for exact specification and type for the specific 4T65-E variant). 📐 Dimensions Exterior Length: Approximately 199.7 inches Width: Approximately 71.7 inches Height: Approximately 54.1 inches Wheelbase: Approximately 107.5 inches Interior Passenger Volume: Approximately 99.9...
Pontiac positioned as a performance-oriented, youth-focused division of GM, offering sportier styling and driving dynamics compared to Chevrolet.
Competitive Analysis
Competitors 2004:
Ford Taurus, Chevrolet Impala, Dodge Intrepid, Toyota Camry, Honda Accord.
Key Features
Performance Orientation:
Grand Prix line often offered performance-oriented trims like GT and GTP with more powerful engine options and sportier suspension tuning.
Styling:
Distinctive styling for its era, often featuring aggressive lines and a sporty facade.
📋 Manual Details
Coverage Areas
States Covered:
U.S. (reporting safety defects)
Page Count
Estimated Page Count:
Likely 200-300 pages (typical for factory owner's manuals of this era)
Manual Type
Type:
Owner's Manual
Language
Language:
English
Format
Format:
Digital PDF
📖 Manual Coverage
Systems Covered
Instrument Cluster:
Detailed descriptions of all gauges, warning lights, and indicators.
Entertainment Systems:
Operation of the factory-installed audio system, radio, CD player, and speaker configuration.
Climate Controls:
Operation of manual and automatic climate control systems, including A/C, heater, and ventilation.
Lights:
Operation of exterior and interior lighting, including headlights, taillights, turn signals, and cabin lights.
Driver Controls:
Explanation of steering wheel controls, cruise control, power outlets, and other driver-operated features.
Locks And Security:
Operation of power door locks, keyless entry system, and anti-theft features.
Seating And Safety Restraints:
Adjustment of seats, seat belt operation and care, and child seat installation guidelines.
Driving:
Information on starting, stopping, parking, and general driving tips.
Customer Assistance:
Information on contacting customer support and roadside assistance.
Reporting Safety Defects:
Procedure for reporting safety-related defects in the U.S.
Cleaning:
Guidelines for cleaning the interior and exterior of the vehicle, including materials care.
Maintenance And Specifications:
General maintenance guidelines and essential vehicle specifications.
Engine Compartment:
Identification of key engine components and fluid reservoirs.
Engine Oil:
Recommendations for engine oil type, viscosity, and checking procedure.
Battery:
Information on battery maintenance, terminal care, and jump-starting procedures.
Fuel Information:
Recommended fuel type and octane rating, fuel system warnings.
Air Filter:
Information regarding the engine air filter(s) and replacement.
Part Numbers:
Listing of some common replacement part numbers for maintenance items.
Refill Capacities:
Capacities for engine oil, coolant, windshield washer fluid, and other essential fluids.
Lubricant Specifications:
Specifications for various lubricants used throughout the vehicle (e.g., transmission fluid, brake fluid).
Accessories:
Information on optional factory-installed accessories and their usage.
Procedures Included
Basic Checks:
Procedures for checking fluid levels (oil, coolant, brake fluid, washer fluid), tire pressure, and light operation.
Fluid Checks:
Detailed steps for checking and topping off essential vehicle fluids.
Tire Maintenance:
Information on recommended tire pressures, rotation, and inspection.
Jump Starting:
Step-by-step instructions for safely jump-starting the vehicle's battery.
Changing A Tire:
Basic guidance on changing a flat tire, including the location of the spare tire and jack.
Fuse Replacement:
Location of fuse boxes and guidance on replacing blown fuses.
Bulb Replacement:
Guidance on replacing common exterior and interior light bulbs.
Child Seat Installation:
Recommendations and best practices for installing child safety seats.
Driving Operations:
Instructions on using various driving aids like cruise control and transmission modes.
Cleaning Recommendations:
Advice on proper cleaning methods for different vehicle surfaces.
Technical Depth
Depth:
Covers essential owner-level information for safe operation, basic maintenance, and understanding vehicle features. Does not delve into complex diagnostic or repair procedures typically found in a service manual.
📊 Manual Specifications
File Format
Format:
PDF
Reader Requirement:
Requires PDF reader (e.g., Adobe Acrobat Reader, Foxit Reader).
Print Quality
Quality:
Digital PDF derived from original factory scans, expected to be legible and searchable.
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Options:
The 2004 Grand Prix was available with several engine options: 3.8L V6 (naturally aspirated) and 3.8L V6 Supercharged (GTP models).
Engine Code Naturally Aspirated:
L36 (3.8L Series I V6)
Engine Code Supercharged:
L67 (3.8L Series I Supercharged V6)
Performance
Hp L36:
Approximately 200 hp @ 5200 rpm
Torque L36:
Approximately 225 lb-ft @ 4000 rpm
Hp L67:
Approximately 260 hp @ 5400 rpm
Torque L67:
Approximately 280 lb-ft @ 3600 rpm
Fuel System
Fuel Delivery:
Sequential Port Fuel Injection (SFI)
Fuel Information
Recommended Octane:
87 octane (for L36), 91 octane recommended for L67 Supercharged for optimal performance and to avoid detonation.
🔧 Transmission
Standard
Transmission Type:
4-speed automatic transaxle (4T65-E)
Optional
Optional Transmissions:
No manual transmission offered on the 2004 Grand Prix.
Features
Traction Control:
Traction control system (TCS) was often standard or available, especially on performance models.
Transmission Fluid Spec:
Dexron III or Dexron VI automatic transmission fluid (refer to manual for exact specification and type for the specific 4T65-E variant).
📐 Dimensions
Exterior
Length:
Approximately 199.7 inches
Width:
Approximately 71.7 inches
Height:
Approximately 54.1 inches
Wheelbase:
Approximately 107.5 inches
Interior
Passenger Volume:
Approximately 99.9 cubic feet
Cargo
Trunk Volume:
Approximately 16.7 cubic feet
Weights
Curb Weight Approx:
3300-3500 lbs (depending on engine and trim)
🛡️ Safety Features
Ratings
NHTSA Frontal Crash Driver:
Likely 4-star (Good) - Typical for W-body platform of this era in frontal impact.
NHTSA Frontal Crash Passenger:
Likely 4-star (Good) - Typical for W-body platform of this era in frontal impact.
NHTSA Side Crash Driver:
Likely 5-star (Excellent) - Typical for W-body platform of this era in side impact.
NHTSA Side Crash Rear Passenger:
Likely 4-star (Good) - Typical for W-body platform of this era in side impact.
IIHS Frontal Offset:
Likely 'Good' - IIHS ratings can vary, but this platform generally performed well in frontal offset.
Active Features
ABS:
Anti-lock Braking System (ABS) standard on most models.
Traction Control:
Traction Control System (TCS) available/standard on performance models.
Passive Features
Airbags:
Frontal airbags for driver and passenger. Side airbags were often optional.
Seat Belts:
Three-point seat belts for all occupants, front seat belt pretensioners.
Child Safety Anchors:
LATCH (Lower Anchors and Tethers for CHildren) system for child seat installation.
💡 Technology Features
Infotainment
Audio System:
Factory-installed AM/FM stereo with CD player and cassette tape player, with multiple speaker configurations available (e.g., 6-speaker standard, 8-speaker premium).
Display:
Centralized dashboard display for radio presets, clock, and climate control information. Limited color screen technology compared to modern vehicles.
Driver Assistance
Cruise Control:
Standard cruise control functionality, often with steering wheel mounted buttons.
Connectivity
Auxiliary Input:
No factory-equipped auxiliary audio input (common for the era). Aftermarket solutions would be required for modern device connectivity.
Keyless Entry
Remote Keyless Entry:
Available with key fobs for locking/unlocking doors and trunk release.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 5,000-7,500 miles or 6 months, whichever comes first, depending on driving conditions and oil type used. Consult manual for specific recommendations.
Tire Rotation Interval:
Recommended every 5,000-7,500 miles.
Coolant Flush Interval:
Initial change at 100,000 miles, then every 50,000 miles thereafter (for Dex-Cool coolant, if equipped).
Spark Plug Replacement:
Refer to manual; platinum-tipped plugs often have longer intervals (e.g., 100,000 miles), while standard plugs are shorter.
Fluid Specifications
Engine Oil Viscosity:
SAE 5W-30 is common for both L36 and L67 engines.
Coolant Type:
Dex-Cool (GM 18044296 or equivalent) for vehicles equipped with it; conventional green coolant might also be specified for earlier or specific applications. Verify with manual.
Brake Fluid Type:
DOT 3 or DOT 4, depending on specific system calibration (consult manual).
Power Steering Fluid:
GM Power Steering Fluid or Dexron III/VI ATF.
Known Issues
Intake Manifold Gaskets:
Leaking intake manifold gaskets were a known issue on some GM 3800 Series II V6 engines (L36 and L67), leading to coolant or vacuum leaks.
Supercharger Coupler:
On L67 models, the supercharger nose drive coupler can wear out, causing whining noises or performance loss.
Transmission Hard Shifts:
Some 4T65-E transmissions could exhibit hard shifting or delayed engagement, potentially related to fluid condition or solenoid issues.
Window Regulators:
Power window regulators could be a point of failure, causing windows to be slow or stop working.
Oil Pressure Sensor:
Failure of the oil pressure sensor sending unit could lead to a false 'low oil pressure' warning.
Part Numbers
Engine Oil Filter Example:
AC Delco PF1218 or equivalent (verify for specific engine variant).
Air Filter Example:
AC Delco A2361C or equivalent (verify for specific engine variant).
📚 Vehicle History
Brand Heritage
Pontiac Legacy:
Pontiac, a division of General Motors, was known for its performance-oriented vehicles and spirited styling from its inception in 1926 until its discontinuation in 2010.
Model Evolution
Grand Prix Lineage:
The Grand Prix nameplate has a long history, dating back to the 1960s, evolving from a full-size personal luxury coupe to a mid-size sporty sedan.
W Body Platform:
The 2004 Grand Prix is part of the third generation of the W-body platform, introduced for the 1997 model year, shared with other GM models like the Chevrolet Impala and Buick Regal.
Production
Production Years 3Rd Gen:
1997-2003 (pre-facelift). The 2004 model year represents a refreshed version within this generation.
Manufacturing Location:
Assembled at GM's Lansing Grand River Assembly plant in Lansing, Michigan.
🏆 Awards & Recognition
Recognitions
Ward Top 10 Engines:
The 3800 Series II V6 (both naturally aspirated and supercharged variants) received multiple 'Ward's 10 Best Engines' awards in the late 1990s and early 2000s for its refinement, power, and durability.
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