Across
1. Radiator diagnostic procedures (8,5)
8. Starting aid on pre-EFI engine
9. Torque-converter component
10. Valvetrain component
11. Ran the engine at lowest RPM
13. Pink-slip names
15. GM’s emergency-aid system
18. Piston count in Chrysler’s Hemi
20. Caveat ____, advice to used-car shopper
23. New-car purchasing alternative
24. "The ____ of Hazzard", car-chase TV series
25. Sealing device between parts, sometimes
26. Clutch components

Down
1. Slang for brake pad or valve-adjusting shim
2. Term for valve-seat deterioration
3. Cylinder capacity, a.k.a. ____ volume
4. Items seen under distributor caps
5. Adjective for a suspension bar
6. Combustion-chamber flow pattern
7. Radar-gun targets
12. Item removed to install block heater (4,4)
14. A disgustingly disreputable motorcycle, slangily (3,4)
16. Just-in-case items in trunk (4,3)
17. Exit an on-ramp
19. Components that are just meshing around
21. Bicycle-powertrain component
22. Words in fixer-upper car ad (2,2)