Table 1 shows one common engine and engine cooling related problems of the 2007 Volkswagen Golf.
| Problem Category | Number of Problems |
|---|---|
| Radiator problems |
Car overheated above 40 mph. Radiator inspected and flushed. Problem persisted. Water pump removed and found to be defective. Plastic impeller was loose on shaft and not moving coolant. Replacement impeller was metallic.