Across
1. Sealing device between engine parts
4. Steering-system element (3,3)
9. Valve-seat deterioration
10. Non-rubber brake lines
11. Snowmobile, slangily
12. Brake-fluid reservoir mark (4,4)
14. Under-dash lever (4,7)
18. Interstate passing zone (4,4)
19. One of 12 in auto electrics
22. Word following drive and crank
23. Engine-shaft protrusion (3,4)
24. Erases a car loan
25. Tire profile, a.k.a. ____ ratio
Down
1. Chassis lube
2. Oil-burner’s output
3. Interstate egress opportunity
5. Vaned water-pump part
6. Service-bay tasks
7. Recessed-center wheel description
8. Worrisome underhood sound (6,5)
13. Corvette or Harley, some say (5,3)
15. See 3-Down clue
16. Fifth word in right-side-mirror message
17. Urban thoroughfare
20. Emissions-affected atmospheric layer
21. Cold cranking ____ battery rating
