Maintenance Schedule · Maintenance Jobs, Technical Data
| System | Maintenance Jobs, Technical Data |
| Subsystem | Maintenance Schedule |
| Years | 1972–1977 |
| Vehicles | 911T/E/S |
| Confidence | Factory Verified |
Source: Porsche 911 Workshop Manual, Maintenance section ("Lubrication Schedule for Type 911 T, 911 E, and 911 S - beginning with 1972 models"), page 1001