The need for altering a timing belt on a 1982 Honda Civic is caused due to belt stretching, slightly than put on. Timing belts stretch to the purpose that the belt tensioner runs out of journey, and is now not efficient at tensioning the belt. Honda has recognized this engine as an interference engine. This implies the tolerances are so shut that a timing belt failure would trigger catastrophic injury. The pistons would hit the valves, and the belt have to be put in spot on. Honda recommends changing the timing belt each 60,000 miles or shortly earlier than.
Honda Civic Timing Belt Installation Instructions
Elevate the driving force’s facet of the automobile with the ground jack, and place the jack stand below the sub-body. Decrease the automobile onto the jack stand. Remove the wheel lugs with the lug wrench and take away the wheel. Remove the interior splash protect utilizing a ten mm socket. Place the ground jack beneath the engine oil-pan to help the engine.
Remove the accent drive belts by loosening the tensioners with a socket and transferring them away from the belts. Remove the highest engine mount utilizing a socket. Remove the highest timing-belt cowl utilizing a ten mm socket. Mark the spark plug wires and pull them out of the valve cowl. Remove the maintain-down clamps for the throttle cable utilizing a wrench. Remove all the ten mm bolts within the valve cowl, and the duvet itself.
Set the timing mark at high useless middle. Have a look at the lower timing-belt cowl immediately above the crankshaft pulley. There are two vertical marks on the 12 o’clock place, and a mark within the type of a straight line lower within the crankshaft pulley. Flip the pulley with a socket clockwise, till the mark on the pulley is immediately consistent with the 2 marks on the quilt.
Examine the higher camshaft marks to ensure it’s on the compression stroke on the No. 1 cylinder. The camshaft turns one time to each two turns of the crankshaft pulley. There are three marks on the skin tooth of the camshaft sprocket. There may be one on all sides of the sprocket on the 9 and three o’clock place that ought to line up with the highest of the cylinder head. The third mark is on the seven o’clock place, and will line up with a corresponding mark on the again timing-cowl. If they aren’t shut, flip the crankshaft pulley yet another revolution and line it up once more to the marks on the timing cowl.
Remove the crankshaft pulley-bolt with a socket; take away the pulley. Remove the bolts within the lower timing cowl with a ten mm socket, and take away the quilt. Loosen the timing belt tensioner with a wrench and push it away from the belt. Loosely tighten the bolt to carry it in place. Remove the timing belt.
Install the brand new timing belt by beginning the belt on the aspect away from the tensioner, which is the left aspect. Place the belt over the crankshaft sprocket, and up across the camshaft sprocket. Make sure that to stretch all of the slack out of the belt so it’s tight between these two sprockets. All of the slack within the belt should be on the tensioner facet. If it is not, the opposite two sprockets will flip when the tensioner is tightened. From the camshaft sprocket, journey down the proper aspect behind the water pump, to the tensioner and again to the crankshaft pulley. Hold pulling on the best facet to maintain rigidity on the belt. Hold your left hand on the highest camshaft sprocket to carry the belt tight.
Loosen the tensioner bolt with the wrench and permit it to use stress to the belt. Don’t tighten it but. Verify to verify the timing marks are nonetheless in place. Flip the crankshaft sprocket two turns clockwise and re-align the timing marks. If the marks are nonetheless in alignment, tighten the tensioner bolt securely. If the marks are off in any respect, even a half a tooth, take away the belt and do it over till it’s appropriate.
Install the lower timing cowl and tighten bolts. Install the crankshaft pulley and tighten bolts to eighty five foot-kilos with a socket. Install the valve cowl and tighten all of the bolts. Install the maintain- down clamps for the throttle cable and tighten. Install the higher timing-belt cowl and tighten the bolts.
Install the higher motor mount and tighten the bolts. Install the accent belts. Use a wrench to show the tensioner bolt clockwise till adequate pressure is achieved. Install the inside splash protect and the wheel and tire . Tighten the lug nuts with the lug wrench. Increase the automobile with the ground jack,. Remove the jack stand and lower the automobile.
[source ehow.com]
