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Ford F-150 Replace the Timing Chain Procedures

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Ford has been producing the Ford F-150 for many years. Nonetheless, even the F-150′s sturdy engine is just not proof against put on and tear. Over time, an engine’s timing chain stretches, inflicting the engine to run poorly. In excessive circumstances, the chain can break and the engine will not run in any respect.

Ford F-150 Replace the Timing Chain Instructions

Drain the radiator and the engine oil. To empty the radiator, flip the drain wing-nut positioned at the backside of the radiator on the engine facet of the radiator in a counterclockwise path. To empty the engine’s oil, flip the bolt situated at the backside of the oil pan in a counterclockwise course with a wrench.

Disconnect the radiator hoses and take away the radiator. The radiator hoses are hooked up to the radiator with hose clamps. Loosen the screw situated on every hose clamp with a flathead screwdriver, then pull the hoses away from the radiator. Newer F-150s are outfitted with electrical followers that connect on to the radiator. Hint the electrical wires from the fan to the fan’s plug, then unplug the fan. Remove the bolts that maintain the radiator to the engine bay with a wrench, then elevate the radiator out of the engine bay.

Remove the engine’s accent belts. The Ford F-150 makes use of totally different belt configurations, relying on the 12 months the truck was produced. Older F-150s use one belt per every accent, resembling energy steering, the alternator and air-con. Newer F-150s use one belt to energy all equipment. No matter which belt setup is put in, removing begins with loosening the element’s brackets to slacken the belt. Methods that use one belt require that just one accent bracket be loosened; techniques utilizing a number of belts require every accent bracket to be loosened. Find the adjustment bolts on the accent’s bracket, then loosen them with a wrench. As soon as loosened, slide the belt or belts up and over the fan assembly in that case geared up.

Remove the fan (and the fan’s pulley if engaged on an older F-150). The fan is held in place with 4 bolts situated via the middle of the fan. Remove the bolts with a wrench, then pull the fan away from the engine to take away it. As soon as the fan has been eliminated, slide the pulley off of the water pump.

Disconnect the heater hose from the backside of the water pump and take away the water pump. The heater hose is the smaller of the two hoses, that are connected to the water pump. The water pump is connected to the timing chain cowl with a sequence of bolts round the pump’s circumference. As soon as the bolts have been eliminated, pull the water pump away from the engine.

Remove the crankshaft pulley and the harmonic balancer. The crankshaft pulley is hooked up to the face of the harmonic balancer with a number of bolts. Remove the bolts and pull the pulley away from the harmonic balancer. To take away the harmonic balancer, first take away the giant bolts that run by means of the heart of the balancer, then connect a harmonic balancer puller to take away the harmonic balancer from the nostril of the crankshaft.

Remove the timing chain cowl and the timing chain. The timing chain cowl will be pulled away from the engine as soon as the bolts surrounding the face of the cowl have been eliminated with a wrench. Remove the timing chain by first remove the giant bolt in the center of the prime sprocket, then sliding the timing chain sprockets away from the engine.

Place the new timing chain over the camshaft and the crankshaft. Word there are two round indentations on the face of every of the two timing gears. The mark on the backside gear should level straight up, and the mark on the higher gear should concurrently face straight down. It is perhaps vital to show the crankshaft to attain this positioning. In that case, insert the crankshaft bolt eliminated in Step 6 and switch the bolt with a wrench.

Insert the bolt by the middle of the higher timing chain gear and tighten it to 30 to 35 ft. lbs. of torque with a torque wrench. Clear the floor of the timing chain cowl the place the cowl meets the engine block, then place a brand new gasket onto this floor with a gasket sealer. Relaxation the timing chain cowl over the timing chain, then insert and tighten the timing chain cowl’s bolts to 12 to fifteen ft. lbs. of torque.

Install the harmonic balancer by positioning the balancer onto the nostril of the crankshaft and turning the balancer’s bolt in a clockwise route. The pulley can then be hooked up to the balancer with the pulley’s bolts.

Install the water pump with a brand new gasket coated with gasket sealer, then tighten the pump’s bolts to the front of the engine. Reconnect the heater hose to the backside of the pump. Slide the fan pulley over the water pump, adopted by the fan (if relevant). Join the fan to the water pump with the fan’s 4 bolts. Install the engine’s accent belt or belts. Place the belt round the acceptable pulley, then pull the accent away from the engine whereas concurrently tightening the accent’s bracket bolts.

Install the radiator into the engine compartment utilizing the radiator’s mounting bolts, then connect the radiator’s hoses. Shut the radiator’s drain wing-nut at the backside of the radiator and fill the radiator with antifreeze. If the fan attaches to the face of the radiator, pug the fan again into its outlet. Insert and tighten the oil pan’s drain bolt, then pour new engine oil down the oil dipstick tube. The oil lever ought to be between the “Add” and “Full” marks on the tip of the dipstick.

[taken from ehow.com]


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