

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...
Across 1. Hourly repair-labor cost (4,4) 5. Auto-repair pro, briefly 9. Today’s tires, typically 10. Roller-cabinet contents 11. Tire-puncture cause, perhaps 12. Hypoid lubricants (4,4) 14. Ratchet attachment 16. Shock-absorber ____ test 19. Rubber-to-rim contact point (4,4) 20. Uwanted brake or clutch contact 23. Off-roaders’ route, often 24. Popular pickup...
Across 1. Drivetrain components 8. Imported petroleum (4,3) 9. Palindromic brake component 10. Racers’ quick-service areas 11. Ominous engine sound 13. Speed ____, tire-sidewall info 15. Oxygen ____, exhaust-manifold item 18. Tire’s tread-sidewall junction 19. Engine anti-leak device 22. Unpaid car-plant worker 23. Sidewall height-to-width ratio 24. Radiator diagnostic procedures...
Across 1. Ratchet’s heavy-duty attachments (6,7) 8. Shifter knob’s N 9. Ran for pinks 10. Word following crash or road 11. "Shut Up ____," Rihanna song (3,5) 13. Slang, defunct-brand car 15. Trailer-towing concern, ____ weight 17. One of the Big Three automakers 18. CV-joint protector 21. Serpentine-belt pulley 22....
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...
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...