Ford E1FZ-6564-A Arm Assembly - Valve Rocker

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Disconnect the negative cable from the battery, then remove the air cleaner intake duct and the valve cover. Next, take off the drivebelt, followed by the flange bolts, fulcrums, rocker arms, lifter guide retainer, lifter guides, and lifters, ensuring to keep the components in their original sequence by marking them or using a suitable container. Mark each lifter to indicate the front-facing end for proper reinstallation. Remove the ignition coil pack and the timing belt, then lock the camshaft pulley with a rod or large screwdriver to unscrew and remove the sprocket. Pull out the camshaft thrust plate, remove the cup plug from the transaxle end of the cylinder head, and carefully withdraw the camshaft. Inspect each lifter for wear and replace any that are worn. Check the camshaft for wear, particularly on the lobes, and replace it if there are any issues. Measure the camshaft bearing journals and cam lobe heights, comparing them to specifications, and replace the camshaft if necessary. Inspect the rocker arms for wear and replace them as pairs if needed. For installation, lubricate the camshaft bearings and lobes with engine assembly lube before inserting the camshaft, rotating it carefully to avoid damage. Install a new oil seal after the camshaft, apply thread locking compound to the pulley bolt threads, and reinstall the pulley, tightening it to the specified torque. Adjust the timing belt, lubricate the hydraulic lifters with engine oil before inserting them, and position them correctly. Finally, install the guides, retainers, rocker arms, and fulcrums in their original positions, tightening the bolts to the specified torque, and check the collapsed tappet clearance if any components are replaced.

To replace the valve cover; the following step is followed, Remove the battery negative cable and the crankcase ventilation hose from the intake manifold and the valve cover. Disconnect the throttle cable and take out the air cleaner. Next, take out the bolts and disconnect the valve cover, this is also a good time to make sure old gasket material is scraped off both the surfaces and to wipe down the area with a rag and a little lacquer thinner or acetone. If the valve cover gasket is of the non-sealed variety, replace it with a new one; on the other hand, if RTV sealant was applied before, remove this and apply a new ring to the mating surface; ensure that the inside of the bolt holes is covered as well. For camshaft, lifters, rocker arms, first, remove the valve cover and if they are not restricted from the other components unbolt the fuel pump if applicable. Take off the distributor cap and put it aside, next unscrew the rocker arms, fulcrums and lifter guide retainers and retain all the components in order. Remove the hydraulic lifters, and the drive belts, ignition coil and the timing belt, where necessary. Remove the lock and then slacken the sprocket bolt before unbolt the thrust plate to remove the camshaft gently. For all of the lifters look for wear and whorl on the roller lifters & check the rocker arms for wear on the contact points, and replace them with new ones if worn out. Wear check should be made on the camshaft lobes and measure also the bearing journals and bearing surfaces on the same camshaft should also be measured with the specification. For installation it is imperative to conduct the following, lubricant the camshaft bearing surfaces, fit a new oil seal, apply the thread locking compound to the sprocket bolt and finally check the timing belt. Coat the hydraulic lifters with oil before fitting them and reinstall the rocker arms one by one making sure that the hydraulic lifters are located properly before tightening the nuts.

Use a lifter bleed-down tool to press on the rocker arm until the lifter leaks down, then check the clearance between the valve stem and rocker arm with a feeler gauge.

Start by taking off the valve cover(s) from the cylinder head(s).

Loosen them just enough to rotate the rocker arms to the side for pushrod removal.

Check each rocker arm for wear, cracks, and other damage, especially where the pushrods and valve stems contact the rocker arm faces.

Remove the rocker arm cover bolts and separate the rocker arm cover from the engine. Discard the rocker arm cover gasket.

Loosen the rocker arm shaft support bolts two turns at a time, working from the center out, until the bolts can be removed by hand.