Valve train

1994 CHEVROLET S-10
76,000 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
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KEVIN AYALA
  • MEMBER
  • 1 POST
After adjusting the valves and test drive it. The nuts become loose and fall off the drive train.
Oct 13, 2019 at 9:33 PM
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DANNY L
  • ✓ASE Certified Mechanic
  • 5,648 POSTS
  • ASE Certified Mechanic
Hello, I'm Danny.

Those are locking nuts. They are to be only used once.Any time a valve adjustment is made you need to purchase a new set for that reason.Hope this helps and thanks for using 2CarPros.

Danny-
Oct 13, 2019 at 9:43 PM
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