The 2001 Ford Focus ZX3 got here outfitted with a 2.0-liter twin-overhead cam engine. Cam timing is managed by a variable cam-sprocket positioned on the exhaust camshaft. Throughout engine operation, the on-board laptop can management the exhaust cam timing by opening and shutting an oil-activated solenoid constructed into the cam sprocket to enhance gasoline financial system and energy. Substitute of the timing belt on this engine might be accomplished in a day by an skilled residence mechanic.
2001 Ford Focus ZX3 Replace the Timing Belt Instructions
Disconnect the negative battery cable utilizing a ten-millimeter wrench. Increase the passenger-aspect front wheel off the floor utilizing a flooring jack. Help the weight of the Focus with a jack stand beneath the front sub-body. Remove the wheel and inside splash defend in the front fenderwell. Loosen the water-pump pulley bolts after which take away the serpentine belt and loafer pulley. Remove the water-pump pulley bolts and slide the pulley out by means of the backside of the engine compartment. Remove the spark plug wires and valve cowl.
Rotate the engine to prime useless middle by aligning the massive notch on the crank pulley with the pointer on the engine block. On the Focus, the pointer is positioned at the 5 o’clock place. Insert the 1/eight-inch drill bit by way of the small gap in the crankshaft pulley and into the engine block. Remove the crank pulley and timing covers.
Insert the camshaft alignment device into the slots in the again of the camshafts. Loosen the timing belt tensioner bolt and rotate the tensioner counterclockwise. Tighten the bolt to carry the tensioner off the belt. Slip the belt off the timing gears. Install the new belt onto the crankshaft gear after which the remaining gears, working in a counter-clockwise path. Loosen the timing belt tensioner bolt and permit the tensioner to tighten the belt. Tighten the tensioner bolt. Rotate the engine two full turns and line the crankshaft at high useless heart. Examine the camshaft alignment. Loosen after which retighten the tensioner bolt to take any remaining slack out of the belt.
Reinstall the timing cowl, valve cowl (utilizing a brand new gasket), all pulleys that had been eliminated, and the serpentine belt. Reinstall the interior splash protect and passenger-front wheel. Decrease the automotive to the floor and begin the engine. Take a look at drive to confirm that the engine performs correctly.
[source ehow.com]