Power Train Related Problems of the 2003 Buick Century

Table 1 shows three common power train related problems of the 2003 Buick Century. The number one most common problem is related to the power train (two problems). The second most common problem is related to the manual transmission lubricant (one problem).

Table 1. Power Train related problems of Buick Century

Problem Category	Number of Problems
Power Train problems	2
Manual Transmission Lubricant problems	1
Automatic Transmission Torque Converter problems	1

Recently reported Power Train problems of the 2003 Buick Century

The Power Train problem

Service engine light and gas light came on. Code read at autozone indicated po135- oxygen sensor. Two days later, both check engine lights came on, security, battery and gas lights. Even revved up and had other issues with fuel economy and compressor kicking on and failing to start. Read details...

The Manual Transmission Lubricant problem

The 2003 has a number of issues. 1. The lights turn off at random in the dark. This has happened on numerous occasions. 2. The brakes need to be replaced roughly every 8 months. My mechanic said the Buick Century has brakes that are not adequate for the weight of the car. Costly! 3. Read details...

The Automatic Transmission Torque Converter problem

2003 Buick Century has 90,000 miles. Transmission shifts hard on acceleration/deceleration. Obd ii reports dtc of p0742 - torque converter circuit stuck on. Transmission repair shop, and internet search indicate common problem with these type of gm transmissions. Estimate to fix $1900 to $2400. Read details...

Power Train related problems in other Buick Century model year vehicles:

Switch Make:

Switch Model:

✿ Fuel Economy of Century Vehicles

☘ Century Service Bulletins

⚑ Century Safety Recalls

☤ Century Defect Investigations