Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
240" Engine
Apply Lubriplate to top of valve stem and at pushrod guide in cylinder head, then install rocker arm, fulcrum seat and stud nut. Adjust valve clearance (see "Hydraulic Lifter Operating Range Adjustment").
ROCKER ARM ADJUSTING SCREW NOTE: If torque required to turn self-adjusting screw is less than 3 ft. lbs., install new standard or.002" oversize screw. If minimum 7 ft. lbs. torque cannot be obtained with oversize adjusting screw, replace rocker arm and adjusting screw assembly.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.