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How to Change the Timing Belt on Your Car

Update:28-01-2017
Summary:

The timing belt connects the crankshaft of a car to the […]

The timing belt connects the crankshaft of a car to the camshaft(s). Its purpose is to ensure that the valves open and close in sequence with the pistons. But you should know that there are some cars using a timing chain rather than a timing belt.
You should replace the timing belt on your car to make your engine run well. While your exact model of car will have different requirements in terms of time between changes, the timing belt must be replaced when it is worn out or irrevocable motor damage can occur.
Park the car in a flat, level area and set the parking brake. You should wait for the engine cooling down for a moment and chock the wheels for your safety. Open the hood to expose the engine and disconnect the battery leads with a wrench. Slide the car lift under the front side of the vehicle and place it according to the manufacturer's instruction; most car lifts sit under the axle of the vehicle, but different models of car lifts will have different requirements. Lift the vehicle off of the ground/floor.
Locate the belt diagram on the hood or shroud cover of the car and use it to find the automatic belt tensioner for the serpentine belt. Place a socket and ratchet over the bolt on the tensioner pulley and release tension by leveraging it in the direction indicated on the diagram. Slide the belt off of the pulley and let it close again.
Remove the cover over the timing belt with an appropriate-size wrench or socket. You need to keep the crankshaft pulley bolt loose with the crankshaft pulley wrench; this will require getting under the vehicle. Turn the crankshaft until the timing marks line up with the camshafts. Turn them together with the crankshaft sprocket until the pulley timing mark on the crankshaft lines up with the guide pulley bolt, and remove the crankshaft pulley bolts.
Manually adjust the tensioner to release tension on the timing belt. You can lift the timing belt off the sprockets and pulleys in order to move it away. Install the new timing belt by wrapping it around the crankshaft sprocket and lining up the marks on the belt with those on the shaft. Slide it over the tensioner pulley when finished and let it automatically adjust. Reverse the process to reassemble the various parts of the engine.
According to costhelper.com, the cost of timing belt replacement varies between $250 and $750, depending the make and model of the car as well as the price of the labor. To offset any sticker shock, it's best to discuss cost in any initial consultations with your mechanic. In addition to pricing the part, get a specific estimate of labor costs. Ask for a written estimate of the cost. Be aware that an estimate is just that and a reputable mechanic will provide a range of time depending on the make of the vehicle. click http://www.automotivedrivingbelt.com/ to see more information.