Segment:
Full-size, front-wheel drive sedan, positioned as a comfortable, spacious, and somewhat upscale American car.
Competitors:
Ford Crown Victoria, Chevrolet Impala, Dodge Intrepid, Toyota Avalon, Chrysler Concorde.
Features Highlighted In Manual:
Comfortable ride, spacious interior, powerful V6 engine options, available luxury features (leather, premium audio, sunroof).
Manual Value:
Enables owners to maximize the enjoyment and utility of their 2002 Pontiac Bonneville by understanding its controls and maintenance requirements.
Purpose Of Manual:
To educate the owner on the proper operation, maintenance, and safety features of their specific vehicle model year.
Systems Covered:
Vehicle operation, safety features, comfort and convenience, maintenance, specifications, warning lights, troubleshooting basics.
Estimated Page Count:
~150-200 pages (typical for a 2002 owner's manual)
Powertrain:
Basic overview of engine operation, fuel system, cooling system, exhaust system. Does not cover in-depth repair or diagnostics.
Chassis:
Information on steering, suspension, brakes (basic operation and maintenance tips), wheels and tires.
Electrical:
Explanation of dashboard indicators, lighting systems, basic electrical features (e.g., power windows, locks), battery care. Does not include wiring diagrams.
Comfort And Convenience:
Detailed explanations of climate control, audio system, seating adjustments, interior lighting, keyless entry, cruise control.
Safety Systems:
Explanation of airbags, seat belts, anti-lock braking system (ABS), traction control, child seat installation. May include basic information on vehicle security.
Operation:
Startup procedures, driving techniques, parking, operating various vehicle features.
Maintenance:
Recommended maintenance schedule, checking fluid levels (oil, coolant, brake fluid, washer fluid), tire pressure checks, basic cleaning procedures.
Troubleshooting:
Identification and explanation of dashboard warning lights, basic steps for common issues (e.g., jump starting, changing a flat tire).
Depth:
Covers essential information for the vehicle owner to safely and effectively operate and maintain their vehicle. Focuses on 'what' and 'how' for the user, not 'why' for the technician.
Engine Type Standard:
3.8L (3800 cc) V6 (Series II Supercharged or naturally aspirated)
Engine Code Example:
L36 (Naturally Aspirated), L67 (Supercharged)
Horsepower L36:
205 hp @ 5200 rpm
Torque L36:
230 lb-ft @ 4000 rpm
Horsepower L67:
235 hp @ 5000 rpm
Torque L67:
275 lb-ft @ 3600 rpm
Fuel Delivery:
Sequential Fuel Injection (SFI)
Recommended Fuel:
87 Octane Unleaded (91 Octane for Supercharged recommended for optimal performance)
Bore X Stroke:
3.80 in x 3.39 in (96.5 mm x 86.0 mm)
Compression Ratio L36:
9.4:1
Compression Ratio L67:
8.5:1
Transmission Type Standard:
4-Speed Automatic (4T65-E)
Transmission Type Optional:
N/A (4-speed auto was standard across most trims)
Traction Control:
Often equipped with traction control, integrated with ABS system.
Performance Shift Modes:
Some models may feature a 'Performance' or 'Sport' mode for altered shift points.
NHTSA Frontal Crash Driver:
Good (4-star rating in some tests for 2002 model year)
NHTSA Frontal Crash Passenger:
Good (4-star rating in some tests for 2002 model year)
IIHS Moderate Overlap Frontal:
Acceptable (based on common ratings for vehicles of this era)
ABS:
Standard on most, if not all, trims.
Traction Control:
Available or standard on higher trims.
Airbags:
Frontal airbags for driver and front passenger. Side curtain airbags may be optional on some trims.
Seat Belts:
Three-point seat belts for all seating positions, with pretensioners for front seats.
Audio System:
Standard AM/FM stereo with cassette and/or CD player. Optional Bose premium audio system available.
Climate Control:
Manual or optional dual-zone automatic climate control.
Cruise Control:
Standard feature.
Parking Assist:
Rear parking assist sensors were an option on some higher trims.
Keyless Entry:
Available with remote keyless entry fob.
Headlights:
Composite halogen headlights with automatic on/off feature. Fog lights were optional.
Oil Change Interval:
Every 7,500 miles or 6 months, whichever comes first, under normal driving conditions (refer to manual for severe conditions).
Tire Rotation:
Every 7,500 miles (typically concurrent with oil changes).
Coolant Flush:
Refer to manual, typically around 30,000-50,000 miles or as specified by GM.
Spark Plugs:
Typically platinum-tipped plugs rated for 100,000 miles (refer to specific plug type in manual).
Engine Oil Type:
SAE 5W-30 Synthetic Blend or Full Synthetic
Engine Oil Capacity:
~4.5 US quarts (4.3 L) with filter
Coolant Type:
GM DEX-COOL® (Orange)
Transmission Fluid Type:
Dexron III or Dexron VI Automatic Transmission Fluid (ATF)
Common Problems:
Intake manifold gasket leaks (3800 V6), power steering pump leaks, fuel pump issues, occasional transmission issues (particularly with higher mileage), window regulator failures, front suspension component wear.
Pontiac Legacy:
Pontiac was known for performance-oriented models and 'excitement' in its marketing, though the Bonneville leaned more towards comfort and luxury in its later iterations.
Bonneville Lineage:
The Bonneville nameplate has a long history, dating back to the 1950s, evolving from large, RWD coupes and sedans to the FWD full-size sedan of the early 2000s.
Production Period:
The specific generation for the 2002 model year (the G-platform) ran from 1992 to 2005.
Assembly Location:
Wentzville, Missouri, USA; Detroit, Michigan, USA (Lordstown Assembly)
Segment Awards:
While specific major awards for the 2002 model year are not prominently cited, the 3800 V6 engine itself was a Ward's 10 Best Engines winner multiple times in prior years, indicating its reputation for reliability and smoothness.
Consumer Reports Reliability:
Reliability ratings varied by year and specific components, often falling into the average to below-average category for this era of GM vehicles, as per typical consumer reporting.