Across
1. Camshaft protrusions

4. Recall reasons

8. Radiator liquid

9. Uneven carburetion term

10. Acorn or castellated fasteners

11. Ignition irregularities

13. Car-wax label creature

15. Uplifting service-bay sights

18. Bendix-drive components

19. Shop’s claim on repaired car

22. US crash-test agency, briefly (1,1,1,1,1)

23. Motorcycle stunt

24. Often-upgraded dash items

25. Items with M+S designation

 

Down
1. Fastener anti-loosening device (4,3)

2. Turbocharger ____ gauge

3. Diagnostic device, ____ tool

4. Clean car to nth degree

5. Drive-thru lane purchase (4,4)

6. Automotive lingerie (3,4)

7. Detailed design description, briefly

12. Labor-charge system, sometimes (4,4)

14. Alignment adjustment, perhaps (4,3)

16. Dash-gauge adjuncts, often

17. Piston tops

18. Preps panel pre-paint

20. Serpentine belt pulley

21. Tire-carcass reinforcing band

For the April 2014 Crossword solution, click here.