The 2004 Honda Civic might use both a timing belt or chain. The belt comes on a type with a single overhead camshaft (SOHC) engine. This belt’s positioning is exact, and any alteration to its place could cause severe issues with the engine operation. For this reason altering a timing belt by yourself is a really tough process, along with the quite a few different parts you should take away to alter the belt. Speak along with your mechanic beforehand.
2004 Honda Civic Timing Belt Replace Instructions
Accessing the 2004 Honda Civic Timing Belt
Disconnect the automotive’s negative battery cable.
Elevate the front finish and assist it on jack stands, ensuring the transmission is in impartial and the parking brake is on. Remove the left front wheel, then unbolt and take away the splash protect from the engine along with your wrench. Loosen the mounting bolt and locknut for every of the drive belt-operated elements (energy steering pump, alternator, and so on.), then flip the adjuster bolts to loosen the drive belts and take away them.
Unbolt and take away the facility steering pump, utilizing your wrench, with out disconnecting the traces. Disconnect the wires for the alternator after which unbolt and take away it. Loosen the coil cowl fasteners with a flat screwdriver and take away the quilt, then disconnect the electrical connectors for the ignition coils, take away the coils’ mounting nuts and take away the coils.
Mark and take away all hoses which are in the best way of the valve cowl and unbolt and take away the engine oil dipstick. Wipe off the valve cowl with a rag, then unbolt and take away the valve cowl. Increase the ground jack with a block of wooden on it below the oil pan to assist the engine. Unbolt and take away the left facet engine mount bracket.
2004 Honda Civic Timing Belt Removal Instructions
Remove the spark plug from the primary cylinder with a wrench and spark plug socket, then insert a compression gauge into the spark plug gap. Flip the crankshaft on the front bolt clockwise with a breaker bar and socket till there’s a compression studying on the gauge, then flip it additional till the Prime Useless Middle notch traces up with the pointer on the timing belt cowl.
Unbolt and take away the facet engine mount bracket, then unbolt and take away the higher timing belt cowl together with your wrench. Maintain the crankshaft pulley regular with a strap wrench after which loosen the pulley’s bolt with a breaker bar and socket. Slide the pulley off the crankshaft. Unbolt and take away the lower timing belt cowl.
Disconnect the electrical connectors for the crankshaft place sensor, then take away the sensor’s mounting bolt together with your wrench and take away the sensor. Loosen the bolt on the timing belt tensioner along with your breaker bar, push on the tensioner to launch the belt rigidity after which re-tighten the bolt. Slip the belt off.
2004 Honda Civic Timing Belt Installation
Line up the holes on the timing belt tensioner pulley and the tensioner base, then insert a three mm-diameter pin into the holes to carry the pulley in place. Install the alternative timing belt by wrapping it tightly across the crankshaft sprocket after which the tensioner pulley, water pump pulley and camshaft sprocket. Loosen the tensioner’s bolt by a half flip so it’s going to rigidity the belt barely.
Flip the crankshaft counterclockwise by two revolutions and ensure the timing marks and camshaft sprocket index marks are lined up. Tighten the tensioner mounting bolt to 33 foot-kilos and take away the pin from the tensioner. Reinstall the crankshaft place sensor, the timing belt covers, the crankshaft pulley, the primary spark plug, the engine mount brackets, the valve cowl, engine oil dipstick, ignition coils, energy steering pump and alternator.
Reinstall the drive belts, following the very same path they adopted on the pulleys earlier than. Flip the adjuster bolts to set the right rigidity, then tighten the element fasteners. Decrease the engine off the ground jack, reinstall the left front wheel and lower the automotive off the jack stands. Reconnect the battery cable.
[source ehow.com]
