| Clue | Source | Date |
|---|---|---|
| Motor adjustments (hyph.) | ||
| Mechanic's jobs | Thomas Joseph | 02 Dec 2024 |
| Servicing and adjustments to boat engines to improve performance (4-3) | ||
| Jobs in which plugs are replaced | LA Times Daily | 08 Nov 2020 |
| Jobs in which plugs are replaced | ||
| *Mr. Lube service jobs | LA Times Daily | 14 Sep 2020 |
| *Mr. Lube service jobs | ||
| Basic car maintenance | New York Times | 10 Jan 2016 |
| Basic car maintenance | ||
| Engine-tweaking services | ||
| Car maintenance requirements | ||
| Garage jobs |