Cylinder Head Assemble

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 44640 Valve Stem Seal Installer
J 8062 Valve Spring Compressor

IMPORTANT: Lubricate the valve stem with clean engine oil before installing.

Install the valves into the cylinder head.
Install the valve spring lower seat.

Fig 1: View Of Valves & Cylinder Head

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Install the valve stem seal using J 44640 .

Fig 2: Installing Valve Stem Using J 44640

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Install the valve spring with the painted end towards the cylinder head.
Install the valve spring upper seat.
Use the J 8062 to compress the valve spring.

Fig 3: Compressing Valve Spring Using J 8062

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Install the valve keys.
Remove the J 8062 from the cylinder head.
Measure the valve installed height using a ruler. Measure from the base of the valve spring to the top of the valve. Refer to Engine Mechanical Specifications .

Fig 4: Measuring Valve Spring Installed Height

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Install the remaining valves, springs, and other components.