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Re: How do I figure out what Top Dead Center is on...
An easy way to find TDC on cylinder one is to remove the spark plug from cylinder one, and then you can rotate the crankshaft manually (or by having someone tap the key) with your finger over the spark plug hole until the compression in the cylinder blows your finger off (you will know when this is). This is an easy way to find TDC if you are doing this yourself.... Once you get to this point you can also place a long screwdriver in the cylinder hole and then slightly turn the crankshaft by hand and watch the screwdriver handle move, you will know when it is at its highest point that you are at TDC. Hope this helps.
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If it is a v8 and you are facing the winshield #1 cylynder is on your right front same on v6. 4 cylinder #1 is closest to the radiator i don't know what the other guy was talking about when he said bent valves.
Standing in front of the car, #1 cylinder is the farthest left. This is the one you have to get at top dead center. Remove the spark plug and insert a rod that is long, so you don't loose it in the cylinder. Then turn the crankshaft until the rod is all the way up and just starts to go down. When it starts to go down crank it back a hair , this is top dead center. Being a 4 cylinder , you don't have to worry if it is on the compression stroke. You will set the cam for this.
remove plug from #1 cylinder have someone to bump the starter , while you place a finger over the spark plug hole, when the pressure from the cylinder blowes your finger off of the hole, check the timing marks,if they are lined up right ,#1 should then be on "top dead center" hope you make it !
u need to find top dead center on number one cylinder. to do this remove rocker cover and watch rockers move through there cycle. inlet valve opens on a downward stroke sucking in fuel, then closes the next stroke up is compression stroke and fires at top dead center then fires cylinder down. the exhaust opens on the up stroke pushing exhaust out. The top dead centre you need is after it has compressed the air fuel mixture.
then issert distributor with points clossed on No one cap and work through the firing order of the engine placing the leads arround in that order.
Hard to explain but hope its a help
The engine is a free running type so bent valves should not be the problem. Recheck the timing marks on the camshafts and crankshaft. If you are one timing belt tooth off, the engine could run but run rough. With the number 1 cylinder piston at top dead center, the camshaft marks should be lined up with their "TDC" marks and the crankshaft mark should be at 0 deg.
If the distributor was removed during the belt replacement, make sure it is in time with the crankshaft timing mark. When the No. 1 cylinder piston is at top dead center, the crankshaft timing mark should be on 0 deg. and the distributor rotor should be pointing to the number 1 terminal on the distributor cap at the same time.
You need align the marks on both the upper and lower sprocket dead center. Turn the crank until the #1 cylinder is at the top and watch the sprockets, they have a small mark on them, either a small arrow head mark or a dot. They will line up when at Top Dead Center. Remove the sprockets and chain, and replace them exactly as they came off.
Well before you took the old distributor off take notice of rotor button location.If you already removed the old distributor locate number one cylinder and point rotor button to that cylinder. it might have to be done a couple of times to get it just right.