Across
1. Minimum-tread-depth indicator (4,3)
5. Cylinder-covering castings
8. Space ____, a.k.a. mini spare
9. Torque-converter component
10. Right on road map
11. Engine lubricant (5,3)
13. MacPherson’s suspension inventions
14. Build-it-yourself vehicle (3,3)
18. Car painter’s weapon (5,3)
20. Component, briefly
22. Engine-incontinence inhibitor (3,4)
23. Body-shop tool, ____ grinder
24. Body ____, e.g. sedan or hardtop
25. Obeyed triangular sign
Down
1. Nuts and bolts partners, perhaps
2. Service _____, dealership job title
3. Cylinder diameter
4. Relationships between gears
5. Crankshaft adjunct, ____ balancer
6. Defunct Isuzu for Spanish pal
7. Tire-belt material, maybe
12. Coolant anti-freeze type, ____ glycol
15. Rejuvenated flat battery
16. Tire with new lease on life
17. Serpentine belt’s guide
18. Parts absent in disc-brake system
19. Electromagnetic switch for lights, etc.
21. Primer, ____-coat, clear-coat finish