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.
Rocker Arm Replacement: 1970-72
With valve cover removed, remove rocker arm assembly from cylinder head and place on clean surface. Remove nylon retainers on individual rocker arms with a chisel. Remove rocker arms from shaft and retainer pieces from shaft. Thoroughly clean and inspect all components and replace as necessary. To assemble rocker arm assembly, lubricate all components and install on rocker arm shaft with rib on rocker arm toward outside of shaft retaining bolt. Center rocker arm on retaining hole of shaft and install new nylon retainers.
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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.