Kia 2431239800 Belt-Timing

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Typically the timing system is slightly more intricate, and in the event of a mistake the outcome could lead to severe damages in the engine thereby the procedures should be handled by expert people. Take off the negative terminal of the battery cable, then the engine cover, turn on the parking brake and then raise the front end of the automobile with the aid of jackstands and block the rear wheels. Take off the drivebelt and tensioner, and then the crankshaft pulley and the power steering pump respectively. Loosen all the fasteners on the timing belt cover and remove the cover, then stand the engine on a jack and place a block of wood on the oil pan. Disconnect the right side engine mount and the bracket; replace the crankshaft sprocket but don't use the bolt; set the engine to TDC for number one cylinder with all timing marks lined up. Lock the cam sprockets so that they will not spin and if you are reusing the belt, align the marks on the belt for ease of putting the belt at the correct direction. While holding the hex part of the camshaft, take off the tensioner and timing belt, and, if needed, the camshaft sprockets. There is a need to examine the belt for signs of oil, dirt and the general appearance that will show whether there is any damage or not, check on the tensioner for signs of oil leakage and check the idler pulleys to make sure that they rotate smoothly. Wipe the timing belt clean, set the camshaft sprocket in the proper position placing the pin hole over the pin, and then tighten the sprocket bolt to the recommended amount of pound-inches. Overlapping the appropriate marks on all camshaft sprockets with the comparable engine marks, replacing all the respective sprockets and pulleys, he also checks to ensure that the engine is still at TDC. The crankshaft sprocket with the spacer has to be installed at first along with the camshaft marks, then the timing belt tensioner pushrod has to be slowly compressed and a pin should be inserted into that area. Position the timing belt over the sprockets and pulleys in the proper configuration; then, using a wrench and the amount of force described above, turn the tensioner pulley clockwise. Screw back the crankshaft pulley, ensure all the marks coincide and remove the pin in the tensioner. SLOWLY rotate the crankshaft through two complete revolutions to re-align the timing marks.If there is any feeling of friction,stop turning the crankshaft as this may cause the valves to impact on the pistons. If the timing marks are not lined up, follow the procedures outlined before, putting the timing belt correctly in place to avoid severe damage to the engine. To recheck the protrusion of the tensioner rod, after allowing the engine to idle at TDC for 5 minutes, and if measurements are different or the part is damaged, it is necessary to replace the tensioner. The rest of removal is done in an opposite sequence of the installation process.

The timing system is complex, and severe engine damage will occur if mistakes are made, so only highly experienced individuals should attempt this procedure. Disconnect the cable from the negative terminal of the battery, remove the engine cover, raise the front of the vehicle securely on jackstands, apply the parking brake, and block the rear wheels. Remove the drivebelt and crankshaft pulley, loosen the alternator nuts and disconnect the wiring, and loosen all engine mount bracket bolts. Remove the timing belt covers and set the engine at TDC for the number one cylinder, verifying that all timing marks are aligned. If reusing the belt, mark it with an arrow indicating direction of travel and match marks from the belt to the sprockets for easy realignment. Remove the tensioner and timing belt, and if necessary, remove the camshaft sprockets by holding the hex area of the camshaft securely with a wrench while removing the bolts. Inspect the belt for oil, dirt, and visible defects, check the tensioner for oil leakage, and test for leakdown by pushing the tensioner against an immovable object. Ensure that the idler pulleys turn smoothly. Clean the timing belt area, install the camshaft sprocket(s) aligning the pin hole with the pin in the camshaft, and tighten the sprocket bolt(s) to the specified torque. Align all camshaft sprocket marks with the engine marks, reinstall all sprockets and pulleys, and verify that the engine is still at TDC. Install the crankshaft sprocket with the spacer first, then the sensor blade, and align the marks on the camshafts with the engine. Compress the timing belt tensioner pushrod slowly, insert a pin, and install it on the engine. Align all timing marks and place the timing belt around the sprockets and pulleys in the specified order. With the tensioner pulley center bolt loose, rotate the hub of the tensioner pulley counterclockwise while applying the specified torque, then tighten the pulley bolt. Verify that all timing marks are aligned, pull the pin from the tensioner, and turn the crankshaft slowly through two complete revolutions, rechecking the timing marks. If resistance is felt, stop immediately to prevent valve contact with the pistons. If the timing marks are not aligned, repeat the installation procedure, ensuring the timing belt is installed correctly to avoid serious engine damage. After letting the engine sit for five minutes at TDC, check the protrusion of the tensioner rod and replace it if necessary. The remainder of the installation follows the reverse order of removal.