If you’re cruising down memory lane and considering a 2002 Buick Century, you’re not alone. This classic mid-sized sedan has been a staple for many drivers who appreciate its comfortable ride and understated style. However, like any vehicle that’s been around for a couple of decades, the 2002 Buick Century has its share of quirks and issues. Whether you’re a nostalgic car enthusiast or someone looking for a reliable used car, it’s essential to know what you’re getting into. In this post, we’ll dive into some common problems associated with the 2002 Buick Century and discuss its overall reliability, so you can make an informed decision. While the 2002 Buick Century is generally known for its smooth driving experience and decent fuel economy, it’s not without its faults. Owners have reported issues ranging from minor annoyances like malfunctioning power windows to more significant concerns such as transmission problems and engine coolant leaks. Despite these challenges, many drivers find the Century to be a dependable vehicle when properly maintained. We’ll explore these issues in more detail and provide insights into how they impact the car’s reliability. So, buckle up as we take a closer look at what makes the 2002 Buick Century both a beloved classic and a car with a few bumps in the road.
Body Components

Parts Assessed:

Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).

Reported Problems:

  • Intake Manifold Gaskets May Leak Coolant or Engine Oil

Analysis:

The 2002 Buick Century has a known issue with its intake manifold gaskets, which can lead to leaks of coolant or engine oil. This problem can affect the overall reliability of the vehicle, as it may cause engine overheating or oil loss if not addressed promptly. While it’s a common issue for this model year, regular maintenance and timely repairs can help keep your Century running smoothly.

Parts Assessed

Air conditioning compressor, AC condenser, AC evaporator, heater core, blower motor, automatic climate control system, refrigerant leaks, HVAC electrical components, temperature sensors, ventilation system.

Reported Problems:

  • Power Window Switch May Fail

Analysis:

The 2002 Buick Century has a known issue with the power window switch potentially failing, which can be a bit of a hassle if you rely on your windows frequently. While this problem doesnt affect the overall drivability of the car, its something to keep in mind if youre considering this model. Overall, aside from this minor inconvenience, the Century tends to be a pretty reliable ride for its age.

Parts Assessed

CV joints, driveshaft, axles, differential, limited-slip differential (if applicable), traction control system, electronic stability control (ESC), four-wheel-drive (4WD) components, all-wheel-drive (AWD) components, transfer case, driveline vibration.

Reported Problems:

  • Transmission Pressure Control Solenoid Failure May Cause Erratic Shifting

Analysis:

The 2002 Buick Century has a known issue with the transmission pressure control solenoid, which can lead to erratic shifting. This problem can affect the overall driving experience and reliability of the vehicle, as it may cause unexpected gear changes and potentially more serious transmission issues if not addressed. While it’s a common problem for this model year, regular maintenance and timely repairs can help mitigate its impact.

Parts Assessed

Infotainment system, GPS navigation, Bluetooth connectivity, touchscreen display, phone pairing, backup camera, rear entertainment system, head-up display, instrument cluster, digital gauges.

Reported Problems:

  • Power Window Motors May Fail From Overheating

Analysis:

The 2002 Buick Century seems to have some issues with the power window motors, which can fail due to overheating. This problem might not be a deal-breaker, but it’s definitely something to keep in mind if you’re considering this car. Overall, while the Century has its quirks, many owners find it to be a reliable ride for its age.

Parts Assessed

Radiator, radiator hoses, cooling fan, water pump, thermostat, antifreeze leaks, engine coolant reservoir, overheating prevention system, intercooler (if applicable).

Reported Problems:

  • Check Engine Light Due to Gas Cap Issue

Analysis:

The 2002 Buick Century is generally a reliable car, but one common issue that pops up is the check engine light coming on due to a loose or faulty gas cap. This problem is usually easy to fix by simply tightening or replacing the gas cap, so it’s not a major concern. Overall, while it’s a bit annoying, it doesn’t significantly impact the car’s reliability.

Parts Assessed

Alternator, battery, ignition switch, ignition coil, spark plugs, ignition wires, engine control module (ECM), electronic ignition system, auto stop/start function, battery cables, engine wiring harness, fuse box, relays, starter motor.

Reported Problems:

  • Leaking Water Pump May Cause Coolant Loss and Overheating

Analysis:

The 2002 Buick Century has a known issue with the water pump leaking, which can lead to coolant loss and potential overheating. This problem can affect the overall reliability of the vehicle, as it may require frequent monitoring and maintenance to prevent engine damage. While it’s a manageable issue, it’s something to keep an eye on if you’re considering this car.

Parts Assessed

Engine rebuilds, cylinder head, head gasket, timing chain, timing belt, camshaft, crankshaft, connecting rods, turbocharger or supercharger (if applicable), valve train, piston rings, oil control system, engine knocking, engine misfires.

Reported Problems:

  • Plugged Catalytic Converter May Cause Loss of Engine Power

Analysis:

The 2002 Buick Century is known to have issues with the catalytic converter getting plugged, which can lead to a noticeable loss of engine power. This problem can be a bit of a headache, especially if you’re relying on your car for daily commutes. While it’s not the most common issue, it’s something to keep an eye on to maintain the overall reliability of your ride.

Parts Assessed

Muffler, catalytic converter, exhaust manifold, heat shields, exhaust pipes, oxygen (O₂) sensors, resonator, exhaust leaks, emissions control system.

Reported Problems:

  • High Pressure Power Steering Hose Can Leak Fluid

Analysis:

The 2002 Buick Century has a known issue with the high pressure power steering hose, which can leak fluid over time. This problem can lead to steering difficulties and potential damage if not addressed promptly. While it’s a common issue for this model year, regular maintenance and timely repairs can help maintain the overall reliability of the vehicle.

Parts Assessed

Fuel pump, fuel injectors, fuel rail, fuel pressure regulator, throttle body, fuel gauge sensor, evaporative emissions system, EGR (exhaust gas recirculation) valve, charcoal canister, fuel filter, fuel tank, vapor leaks.

Reported Problems:

  • Heater only works on high

Analysis:

The 2002 Buick Century seems to have a common issue where the heater only works on the high setting. While this might not be a dealbreaker for everyone, it can be a bit inconvenient, especially during those chilly days when you want a gentle warmth. Overall, this problem doesn’t seem to overshadow the car’s general reliability, but it’s something to keep in mind if you’re considering this model.

Onboard Electronics

Parts Assessed

Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.

Reported Problems:

  • Failed Fuel Pump Can Cause Engine to Stall

Analysis:

The 2002 Buick Century has a known issue with the fuel pump that can lead to the engine stalling, which can be a significant inconvenience and safety concern. While this problem is notable, it’s important to consider it alongside other potential issues when evaluating the car’s overall reliability. If you’re thinking about getting a 2002 Buick Century, it’s a good idea to check if the fuel pump has been replaced or if there are any signs of this problem.

Parts Assessed

Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.

Reported Problems:

  • Corrosion At Ignition Coil Towers

Analysis:

The 2002 Buick Century seems to have some issues with corrosion at the ignition coil towers, which can lead to misfires and engine performance problems. While this isn’t a universal problem for all owners, it’s something to keep an eye on if you’re considering this model. Regular maintenance and inspections can help catch any corrosion early and keep your Century running smoothly.

Parts Assessed

Paint durability, clear coat protection, rust prevention, corrosion resistance, body panel alignment, door seals, window trim, plastic trim, metal finishes, fading, cracking, peeling.

Reported Problems:

  • Rubber Transmission Cooler Lines Can Leak Fluid

Analysis:

No major problem has been reported

Parts Assessed

Struts, shocks, control arms, sway bars, ball joints, tie rods, wheel bearings, power steering pump, power steering fluid leaks, electronic power steering (EPS), steering rack and pinion, steering linkage, alignment issues, torsion bars, springs, air suspension (if applicable).

Reported Problems:

  • Engine Control Module (ECM) Can Fail

Analysis:

The 2002 Buick Century has had some issues with the Engine Control Module (ECM) failing, which can be a bit of a headache for owners. While this problem isn’t universal, it’s something to keep an eye on if you’re considering this car. Overall, the ECM failure can affect the vehicle’s reliability, so it’s worth checking if this issue has been addressed in any used models you’re looking at.

Parts Assessed

Transmission rebuild, transmission replacement, torque converter, transmission solenoids, gear selector, gear shifting, transmission control module (TCM), transmission fluid leaks, clutch (manual transmission), automatic transmission valve body, CVT (continuously variable transmission) components, dual-clutch transmission (DCT) components.

Reported Problems:

  • HVAC Display May Become Dim or Go Out Completely

Analysis:

The 2002 Buick Century seems to have a common issue with its HVAC display, where it might become dim or even go out completely. While this can be a bit annoying, it doesn’t necessarily affect the overall performance of the car. If you’re considering this model, just keep in mind that you might need to address this display issue at some point.

Conclusion

Facebook
Twitter
LinkedIn
Picture of Flagship One

Flagship One

The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.

What Customers Think About Us