![]() Install the flange as shown in the illustration. After checking to be sure that no belt teeth in the section marked with A are lifted up and that the teeth in each sprocket are engaged, secure the tensioner pulley. Turn the crankshaft in the proper rotation direction (clockwise) for two rotations, and recheck to be sure that the timing marks on each sprocket are aligned.ģ. Be sure not to turn the crankshaft in the opposite direction (counter clockwise).Ģ. Initially loosen the fixing bolt of the tensioner pulley fixed to the engine mount side by 1/4 - 1/2 turn, and use the force of the tensioner spring to apply tension to the belt.ĬAUTION: As the purpose of this procedure is to apply the proper amount of tension to the tension side of the timing belt by using the cam driving torque, turn the crankshaft only by the amount given below. Install the timing belt in the following order, while making sure that the tension side of the belt is not loose.ġ. Align each of the camshaft and crankshaft sprocket timing marks.ģ. Then temporarily tighten tensioner bolt.Ģ. ![]() With the timing belt tensioner pulley bolt loosened, use a screwdriver to pry the tensioner pulley as close to the engine mount as possible. Recheck to be sure that the belt is fully tensioned and that each timing mark is in the proper position.ġ. Temporarily tighten the tensioner pulley bolt.ĬAUTION: After installing the timing belt, try to rotate the camshaft sprocket in the reverse direction. Place a screwdriver against the tensioner pulley and pry it fully back in the direction of the arrow.Ĥ. Loosen the tension pulley fixing bolt.ĬAUTION: If the timing belt is to be re-used, use chalk to mark (on its flat side) an arrow indicating the clockwise direction.ģ. Turn the crankshaft clockwise (right turn) to align each timing mark and to set the number 1 cylinder at compression top dead center.Ģ. All attached pictures correlate with these directions.ĬAUTION: The crankshaft should always be turned only clockwise.ġ. For a full list of possible failures and the corrective action to take, consult our Timing Belt Troubleshooting Guide to check your belts & timing pulleys.Here are the directions for timing belt replacement specific to your vehicle. Wipe clean of oil and grease. Debris can account for any of the above reasons for timing belt failure – so go clean those pulleys and fit a shield to that drive!Ī timing belt will eventually fail by loss of teeth in what’s considered normal wear, any other failure reason should be considered abnormal. ![]() I was driving and the car acted as if the timing belt broke. Use a stiff brush to clean off rust and dirt. 2003 Mitsubishi Lancer 4 cyl Front Wheel Drive 137000 miles. Dirt on the teeth can abrade the belt and oil can attack the belt materials. Just hope that when the belt broke you did not bend any valves as that will be costly to fix. You need to get a timing belt and fix it. It’s the most overlooked, but debris can cause a multitude of problems for your timing belt & pulley. I am assuming you mean timing belt as these cars did not come stock with timer belts. Inspect and replace pulleys that show signs of wear. Worn teeth will cause belt wear and/or damage. Try reinforcing the drive structure and you could stop the problem.ĭamaged or worn timing pulleys will substantially reduce belt life. If your drive is vibrating excessively or your timing belts are suffering from apparent belt stretch, you could have a weak drive structure. Under-tensioning can also cause excessive or uneven tooth wear and excessive drive noise so use a tension gauge to set the correct tension on those timing belts! Tooth skipping, also called ‘ratcheting’, is probably down to your belt being under-tensioned. To cure this problem you’re going to have to redesign the drive. Tensile failure and even excessive tooth wear can also be caused by excessive load or shock loads, although the latter is less likely. If the timing belt teeth are shearing, excessive load is more than likely the cause. 2003 Mitsubishi Lancer electrical problem after replacing the ignition switch. What are the signs if this is the problem - Started hard, rev high, now turns over but. By checking and aligning your shafts and timing pulleys you can increase the life of your timing belts and save yourself lots of downtime.īuy ProTorque belts online with same-day shipping I think my 2009 Mitsubishi Lancer timing belt is slipping or broke. Excessive or uneven tooth wear, belt tracking and tensile failure can all be attributed to misalignment. Misalignment is one of the main causes of timing belt drive failure. Visually examine your timing belt drives for these top 6 failure-causing problems and it could help to prevent your drives grinding to a halt, avoiding unscheduled downtime. ![]() With the help of ProTorque, We've put together a list of problems and possible causes to help you identify the reason for timing belt failure.
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