Ford F87Z-6M264-AA Sprocket

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Install the timing chain cover and the remaining components removed for installation.

The hexagonal portion of the camshaft is located just after the second lobe from the front.

The engine must be removed from the vehicle to properly reseal the timing chain cover-to-oil pan joint.

Install the right camshaft timing chain cassette to the block, secure the excess chain at the top with a rubber band, install the rear jackshaft sprocket bolt, and tighten it to the torque. Then, install the rear jackshaft plug.

Tighten the camshaft sprocket bolts to the torque while holding the camshafts in place with a wrench. Do not rely on the camshaft alignment tool to hold the camshafts while tightening the camshaft sprocket bolts to avoid tool and camshaft damage.

Clean the front surface of the engine block and front cover with lacquer thinner and install a new gasket. Install the front cover, tightening the bolts to the torque.

Turn the crankshaft clockwise until the number one piston is at Top Dead Center.

Remove the right valve cover.

Remove the engine from the vehicle. The balance of this procedure is written assuming you have the engine out and mounted on an engine stand.

Push the camshaft to the rear as far as it will go.

Mark a reference point on the block approximately halfway along the chain and measure from that point to the right side of the chain.

Run the engine and check for oil or coolant leaks.

Unbolt the chain tensioner from the block.

Attach a dial indicator to the cylinder head with the plunger in-line with and resting on the number one rocker arm at the end contacting the push rod. Turn the crankshaft clockwise until the number one piston is at TDC, zero the dial indicator, then slowly turn the crankshaft counterclockwise until the slightest movement is seen on the dial indicator. Note how far the number one piston has moved away from the TDC mark by looking at the ignition marks.