The timing chain was used closely all through the 1970s and 1980s however was scaled again for the simpler to exchange timing belts in the Nineties. Nonetheless, being product of metal and never rubber, the timing chain is extra sturdy so there will probably be much less of a necessity for substitute. One among the few vehicles in the Nineties that had a timing chain was the Pontiac Sunfire. It was made to exchange the Sunbird and was produced till 2005 when it was discontinued.
Remove the Cover of the Pontiac Sunfire Timing Belt Housing
Drive the Sunfire onto a a pair of drive on lifts to boost your 1996 Pontiac Sunfire securely off the floor. Ensure you use the emergency brake to maintain the automobile from rolling off the lifts.
Loosen and take away the negative battery wire utilizing your fingers. Utilizing a socket wrench, take away the oil pan. The serpentine drive belt is eliminated utilizing the flathead screwdriver. Remove the energy steering pump from its housing with the Phillips screwdriver, however don’t disengage the hooked up hoses. Remove the generator from its housing with the Phillips screwdriver, however once more don’t disengage the wires hooked up to it. Remove the drive belt tensioner utilizing the socket wrench. Utilizing the tire iron, take away the the drivers facet front wheel. Take off the engine splash protect with the socket wrench.
Remove the bolt from the middle of the crankshaft pulley and in addition take away the three crankshaft pulley bolts with the socket wrench. Remove the crankshaft pulley hub with the socket wrench then take away the bolts and take off the front cowl along with your fingers.
Remove the Pontiac Sunfire Timing Belt
Line up the timing marks from the camshaft and crankshaft sprockets with the tabs from the chain tensioner. Remove the timing chain tensioner higher bolt and loosen however don’t take away the timing chain Torx bolt with the socket wrench. Remove the camshaft bolt with the socket wrench. Remove the camshaft sprocket with the sprocket puller in addition to the timing chain together with your palms. Utilizing the sprocket puller take away the crankshaft sprocket
Changing the Pontiac Sunfire Timing Belt
Exchange crankshaft sprocket utilizing sprocket installer. Be sure that the sprocket is safe towards the crankshaft. Compress the chain tensioner spring and place a cotter pin or a nail in the gap of the tensioner
Install the camshaft sprocket and the timing chain ensuring to align the sprocket marks with chain tensioner tabs. Align the camshaft sprocket gap with the cam shaft dowel pin. Install the camshaft bolt and tighten to specification utilizing the socket wrench. Exchange and tighten the chain tensioner higher bolt and tighten down the Torx bolt to specs. Remove the nail or cotter pin from the chain tensioner then lubricate the timing chain
Changing the Pontiac Sunfire Front Cover
Place the cover back on and tighten the bolts all the way down to specification. Change the crankshaft pulley in addition to the 4 bolts that maintain it in place. Change the engine splash protect in addition to the driver’s facet front tire.
Substitute the drive belt tensioner in addition to the belt connected and ensure it’s at the right rigidity. The proper rigidity is when the belt goes over all the pulleys and there’s no slack in the belt. Put the generator in its housing and put the energy steering pump in its housing as effectively. Put the oil pan and serpentine belt again of their respective locations. Guarantee that the serpentine belt is at the appropriate rigidity. Put the negative battery wire again on the negative battery terminal and slowly lower your automotive again to the floor.
[source ehow.com]