Honda 8-94174-222-1 Valve, In.

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This guide doesn't apply to 2.2L four-cylinder engines with hydraulic valve lifters. With the engine cold, remove the air cleaner assembly and valve cover. Ensure rocker arm pedestal retaining nuts are tight. Rotate the crankshaft to bring the number one piston to TDC on the compression stroke. Check and adjust valves on cylinders 1, 2, and 3. Use a feeler gauge to check/adjust intake valve clearance. If adjustment is needed, loosen the adjusting screw locknut, adjust, then tighten. Repeat for other valves. Rotate the crankshaft one full turn clockwise to bring the number 4 piston to TDC. Check and adjust valves on cylinders 2, 3, and 4. Reinstall the valve cover and air cleaner assembly.

Servicing valves, valve seats, and valve guides, commonly known as a valve job, is best left to a professional due to the complex nature of the job and the special tools and equipment needed.