Across
1. Ratchet attachments
5. Contact ____, tire’s footprint
8. Rubber seal with circular shape (1,4)
9. Driveshaft components, briefly (1,6)
10. Term for shuddering clutch action
11. Streets, boulevards, etc.
12. Trucker slang for refrigerated trailer
14. Running at minimum throttle
18. Oil pans, in other words
20. Rear-engine motor homes, slangily
22. Suspension-smashing road crater
23. Brake-drum resurfacing machine
24. MacPherson’s suspension invention
25. Modern tires, usually
Down
1. Display-only vehicle (4,3)
2. Automotive A/C type, ____ control
3. Cylinder count in Chrysler’s Hemi
4. Bore equals stroke, a.k.a. ____ engine
5. Engine-hood support (4,3)
6. Brand on kid’s sandbox truck
7. Cooling-system components
13. Brand name, broken fastener removal tool (4,3)
15. Seat-belt component, _____ reel
16. Seals between engine parts
17. Final word in right-side-mirror message
18. Grip-enhancing tire-tread slits
19. Wiper-system component
21. Hydraulic or ____ valve lifters