2000 Buick Century Engine cooling Problems
- Complaints
- 21about this part
- Share
- 11%of 193 total for the year
- Median mileage
- 63,609miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 21 complaints about the engine cooling of the 2000 Buick Century, 11% of the 193 complaints for this model year. Where a mileage was given, the median is 63,609 miles. 1 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Service engine light came on and have been experiencing a clunking hesitation when accelerating anywhere from 10 to 45 MPH. Took car to dealer on 4/5/04 and service manager went for a test drive with me and he definitely felt the problem. When tech ran computer check he said two codes came back and that the fuel sensor had to be replaced and it was not covered by my extended warranty or the emissions warranty. I had the work done and the service manager said that may have been what was causing the problem and to call if it did not resolve. …”
NHTSA complaint #10066165, filed 2004-04, 36,200 miles“Very hard transmission shifting returning from a long-distance trip / service engine soon warning light came on. Mechanic reports DTC p1811 error code as well as other error codes. Mechanic replaced both tcc solenoid and pressure control solenoid to resolve shifting problem.”
NHTSA complaint #10430030, filed 2011-10, 63,000 miles“While the vehicle was parked driver noticed fluid leaking from underneath the vehicle. It was taken to the dealer for inspection, mechanic determined that the intake manifold needed to be replaced. Intake manifold gasket failed. The consumer stated that cooling fluid on garage floor.”
NHTSA complaint #10110897, filed 2005-03, 32,850 miles“- the contact owns a 2000 Buick Century custom and complained about the following problems: the lower intake manifold gasket, the thermostat, and water pump. These components had to be replaced because the vehicle was overheating. The rear brake shoes and a leaking cylinder also had to be replaced. The rear drums, and the switch on the driver's side for the power windows where replaced due to possible fire concerns. In addition, the right outer tie rod end on the passenger's side wheel was loose and had to be repaired. …”
NHTSA complaint #10187620, filed 2007-04, 64,218 miles“Dealer advised of coolant leak at a lower engine seal. I have since learned that this is a defect related to use of incorrect seals. The seals are eaten by the coolant (dexcool). I was quoted a price of $800 to fix the problem. I feel that this is a manufacturer's defect.”
NHTSA complaint #10110627, filed 2005-02Related service bulletins
- 10251890Mar 13, 2024This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
- 10250775Feb 22, 2024This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10242843Sep 1, 2023The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 10242262Aug 24, 2023This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and…
- 10236164Apr 24, 2023This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308…
- 10234110Mar 17, 2023This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
- 10228888Dec 14, 2022This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or…
- 10227056Nov 9, 2022This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10222796Sep 14, 2022This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 2 | 11% |
| 2003 | 13 | 10% |
| 2002 | 25 | 16% |
| 2001 | 27 | 19% |
| 2000 | 21 | 11% |
| 1999 | 55 | 23% |
| 1998 | 22 | 10% |
| 1997 | 7 | 7% |
| 1996 | 9 | 11% |
| 1995 | 11 | 11% |
| 1994 | 14 | 13% |
| 1993 | 10 | 19% |
| 1992 | 4 | 9% |
| 1991 | 5 | 13% |
| 1990 | 5 | 15% |
| 1989 | 5 | 13% |
| 1987 | 3 | 11% |
| 1986 | 6 | 27% |
| 1985 | 3 | 43% |
| 1984 | 2 | 25% |
Other parts of the 2000 Buick Century
48 complaintsBrakes
31 complaintsVisibility (wipers, defrost, mirrors)
23 complaintsElectrical system
20 complaintsExterior lighting
14 complaintsSteering
11 complaintsAir bags
10 complaintsFuel system
9 complaintsSeat belts
9 complaintsSuspension
8 complaintsOther or unknown
7 complaintsEngine
6 complaints
← All problems reported for the 2000 Buick Century
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology