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1999 Buick Century Problems

Find the most common issues based on 1999 Buick Century owner complaints.
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Most Common 1999 Buick Century Problems

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
One or more power window switch may fail. The affected window may work intermittently before failing completely.
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
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1 Known 1999 Buick Century Brakes Problem

Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.

3 Known 1999 Buick Century Drive Train Problems

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be r...
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be com...

3 Known 1999 Buick Century Electrical & Lights Problems

One or more power window switch may fail. The affected window may work intermittently before failing completely.
A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window motor...
Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cle...

5 Known 1999 Buick Century Engine Problems

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.
Corrosion may develop at the connection between the ignition coil tower and spark plug wire resulting in an engine misfire. The Ignition coil and spark plug wire should both be replaced to correct ...

3 Known 1999 Buick Century Exhaust & Emissions Problems

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please cont...
The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

1 Known 1999 Buick Century Heating & Air Conditioning Problem

When the heater only works on high, the most common problem is a blower motor resistor. The correct repair is to replace it with a new resistor.

2 Known 1999 Buick Century Maintenance Problems

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.
GM recommends replacing the engine coolant at 100,000 miles; however, our technicians tell us that the coolant may become contaminated and require a complete cooling system flush every 60,000 to 70...

0 Known 1999 Buick Century Miscellaneous Problems

3 Known 1999 Buick Century Suspension & Steering Problems

The high pressure power steering hose will commonly leak fluid; it should be replaced.
The steering rack may fail causing the steering to become hard to turn.
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.

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Known 1999 Buick Century Problems & Complaints

One or more power window switch may fail. The affected window may work intermittently before failing completely.
When the heater only works on high, the most common problem is a blower motor resistor. The correct repair is to replace it with a new resistor.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.
A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window motor...
The steering rack may fail causing the steering to become hard to turn.
The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please cont...
An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.
Corrosion may develop at the connection between the ignition coil tower and spark plug wire resulting in an engine misfire. The Ignition coil and spark plug wire should both be replaced to correct ...
Acid may leak from the battery at the cable connections, resulting in corrosion on the battery cable ends and in the battery tray. A Leaking battery should be replaced and the cables thoroughly cle...
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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