2000-2005 Pontiac Bonneville: Reliability
Updated: 11/23/08
2005 Pontiac Bonneville
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2000-2005 Pontiac Bonneville ▼
- Price Range: $3,300 - $14,100
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Our reliability study for this generation Pontiac Bonneville includes details on average repair costs, manufacturer recalls, and everything you need to know to gauge the long-term reliability of this generation Pontiac Bonneville .
Trouble Spots
Consumer Guide's® Auto Editors have scoured repair bulletins and questioned mechanics to search
for commonly occurring problems for a particular vehicle. In some cases we also give possible manufacturer-suggested
solutions. In many instances these trouble spots are Technical Service Bulletins posted by the manufacturer,
however, we have our own expert looking at additional vehicle problems.
Automatic transmission:
The column-mounted shift lever is hard to move out of park due to the interlock cable being too long. (2000)
Brake wear:
The original-equipment rear brake pads cause a humming or moaning noise, especially when the brakes are hot or warm. (2000)
Coolant leak:
Coolant loss via plastic intake manifold is corrected by installing upgraded manifold and gaskets plus new PCV kit. (2000-04)
Coolant leak:
The 3.8-liter V6 may leak coolant into the engine from the intake manifold. A new gasket kit, revised throttle body nuts, and sealing compound is available. Redesigned manifolds are also available in the aftermarket. (2000-04)
Horn:
If the horn becomes difficult to operate or sounds by itself in cold temperatures, the airbag module will have to be replaced. (2000)
Steering noise:
A countermeasure high-pressure power-steering hose will reduce vibrations, shudders or moans from the steering wheel during slow-speed turns. (2000-01)
Consumer Guide® Estimated Repair Costs
This table lists costs of likely repairs for comparison with other vehicles. The
dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the
typical repair without extras or add-ons. Like the pricing information, replacement
costs can vary widely depending on region. Expect charges at a new-car dealership
to be slightly higher.
| Item Name | Repair Cost |
| A/C Compressor | $525 |
| Alternator | $275 |
| Automatic Transmission or Transaxle | $895 |
| Brakes | $485 |
| Constant Velocity Joints | $750 |
| Exhaust System | $565 |
| Radiator | $450 |
| Shocks and/or Struts | $975 |
| Timing Chain or Belt | $325 |
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