Disconnect the battery
Remove any engine covers, intake pipes, or components blocking access to the rocker cover
Label and disconnect hoses, wiring, and breather lines attached to the rocker cover
Remove the ignition coils, spark plug leads, or other top-mounted components if needed
Loosen and remove the rocker cover bolts in a crisscross pattern
Lift off the rocker cover carefully
Remove the old gasket from the rocker cover and cylinder head
Clean the gasket mating surfaces thoroughly
Check the rocker cover for cracks, warping, or damage
Install the new gasket into the rocker cover groove or onto the mating surface
Apply sealant only where specified by the manufacturer
Refit the rocker cover carefully without disturbing the gasket
Tighten the rocker cover bolts evenly in the specified sequence and torque
Reconnect all hoses, wiring, breather lines, and removed components
Reinstall ignition components and engine covers
Reconnect the battery
Start the engine and check for oil leaks around the rocker cover
Recheck bolt tightness if required by the manufacturer