Ford C5TZ-6507-A Valve Intake Std

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If the clearance is greater than specified, install a longer pushrod. If the clearance is less than specified, install a shorter pushrod.

The dealer service department or automotive machine shop will: Remove the valves and springs Recondition or replace the valves and valve seats Recondition the valve guides Check and replace the valve springs, spring retainers, and keepers as required Replace the valve seals with new ones Reassemble the valve components Ensure the installed spring height is correct Resurface the cylinder head gasket surface if it's warped.

After the valve job has been performed by a professional and the head is returned, it should be cleaned again before installation on the engine to remove any metal particles and abrasive grit that may still be present from the valve service or head resurfacing operations. Compressed air, if available, should be used to blow out all the oil holes and passages.

After checking the clearances on both number one cylinder valves, check the remaining valves. Rotate the engine 180-degrees to Position 2 and check the valves as indicated. Rotate the engine 270-degrees to Position 3 and check the remaining valves as indicated.