Across
1. Tire’s remaining-life indicator (4,3)
5. Caliper-gripped item
8. Front and rear impact absorbers
9. Pleasure-oriented road trips
10. Annual 500-mile race, briefly
11. Manual-transmissions’ partners
13. Underhood power producer
15. Cylinder inlets and outlets, ____ valves
18. Completely remove A/C refrigerant
19. Metered ride
22. Side-impact collision type (1,4)
23. Exceed safe engine RPM
24. Live, dead or portal parts
25. Substance blended with gasoline
Down
1. Repair shop’s online presence
2. Adjusted the headlights
3. Removed brake-system air
4. Used-car transaction
5. Tire-maintenance task
6. Small-bottle contents, ____ paint (5,2)
7. Succumbs to corrosion
12. Policy providers
14. Hypoid lubricant (4,3)
16. NASCAR track shape, sometimes
17. Piston’s TDC to BDC travel
18. Fram ____ Guard oil filter
20. Ohio’s "Rubber City"
21. Auto-repair pro, briefly