Adjust valves

1984 GMC SIERRA
108 MILES • 6 CYL • 2WD • AUTOMATIC
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GRAYTA
  • MEMBER
  • 13 POSTS
How do I adjust the valves on a 1984 GMC Sierra with a 250 straight 6 engine, automatic trans?
Jun 17, 2011 at 7:40 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
You can go straight down the cylinders-loosen it till it clatters then tighten it till it stops and then 1 full turn or you can follow the firing order-which ever is clever
Jun 17, 2011 at 7:45 PM
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