How To Replace The Timing Belt On A 1992 Toyota Corolla
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The manufacturer of the 1992 Toyota Corolla has not specified an interval for changing the timing belt, but previous use and service history suggests that the belt should be changed every 60,000 miles to avoid unexpected failure. The engine is a freewheeling engine, meaning that should the belt break or stretch past its useful life, the valves will...
M/F Disconnect the negative battery cable and lay it to the side, ensuring that it does not touch metal. Raise the front of the Corolla and support it with jack stands. Remove the right wheel using the lug wrench. Remove the right undershield using the appropriate socket. Remove the air cleaner by unbolting it and pulling the air intake hose off. Remove the washer reservoir if the engine identification reads “4A-FE” by unbolting it and lifting it out of the vehicle.
M/F Free the air conditioning belt by turning the tension adjuster bolt on the compressor tensioner bracket to loosen the tension on the belt. Lift the belt off the pulleys. Free the power steering belt by loosening the lock bolt and turning the adjusting bolt on the idler pulley to loosen the tension on the belt. Lift the belt off the pulleys.
M/F Place the block of wood on the jack. Operate the jack until it touches the bottom of the engine so that it supports the engine without raising it. Remove the right engine mount using the appropriate socket. Remove the water pump pulley using the appropriate socket. Unbolt and remove the valve cover, upper timing belt cover and center timing belt cover using the appropriate sockets.
M/F Number the spark plug wires so you don’t forget where they go. Pull the wires off the spark plugs and remove the spark plugs. The firing order for the 1992 Toyota Corolla is 1-3-4-2. The number 1 cylinder is closest to the timing belt. Stick the long screw driver into the spark plug hole. While holding the screwdriver, turn the crankshaft clockwise until you feel the piston, via the screwdriver, reach the top of the piston hole. Look at the timing mark on the crankshaft pulley. It should line up with the 0 timing mark on the lower timing cover. If not, turn the engine via the crankshaft one full revolution. When the piston nears the top of the piston hole this time, the timing mark should line up.
M/F Remove the crankshaft pulley bolt using the appropriate socket. Insert the special puller tool on the crankshaft pulley and pull the pulley off. Remove the lower timing belt cover and belt guide using the appropriate sockets. Check the timing marks on the camshaft and the crankshaft to ensure they are still aligned. Loosen the tensioner bolt, then move the tensioner away from the belt. Tighten the bolt enough to hold the tensioner out of the way. Remove the timing belt.
M/F Remove the timing belt tensioner pulley. Spin it in your hand. If it doesn’t spin smoothly, replace it. Remove the tensioner spring. Measure the spring from end to end. If it is not at least 1.50 inches, replace the spring. Install the tensioner pulley and the spring. Push the tensioner to the left. Tighten the bolt enough to hold the tensioner in place. Check to ensure that the timing marks are still aligned.
M/F Install the timing belt, starting at the crankshaft pulley. Work in a counterclockwise direction, over the top of the camshaft, keeping the belt tight between the crankshaft and camshaft sprockets, then down behind the tensioner. Install the belt guide. Loosen the tensioner bolt, allowing the tensioner to put tension on the belt.
M/F Turn the crankshaft clockwise twice. On the second time around, watch that the timing marks line up. If they do not, remove the timing belt and repeat Step 7. Torque the tensioner bolt to 27 foot-pounds of torque. Press firmly on the timing belt on the non-tensioned side. The belt should deflect between 0.24 and 0.28 inches. If not, repeat the tensioner procedure in Step 7.
M/F Install the rest of the parts in reverse order of removal. Torque the crankshaft pulley bolt to 87 foot-pounds of torque.