Keeping Time
[8] This next step is another critical one: setting the number one cylinder to top dead center (from here on out, TDC). Basically we need to turn the crankshaft with a socket and ratchet attached to the crank bolt until the number one piston is at TDC. Since this is a four-stroke engine, we know technically there are two TDCs, one for the compression stroke and one for the exhaust stroke. The one we want, however, is the one for the compression stroke, which also happens to be the one that's ignited by the spark plug (see where this is going?).
If you noted the position of the terminal for the number one spark plug wire on the distributor cap, then all that's left to do is mark the distributor cover directly under the terminal for number one (like we did here). Turn the crank until the distributor rotor is pointing directly at the mark for number one (in this photo it's off by a hair). This should be TDC for the number one cylinder. Once the crank pulley is off you can also check TDC by lining up the notch on the crank sprocket with the arrow cast into the oil pump. View Related Article
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Honda CRV Research
Finding a fuel efficient automobile today is easier than ever. Check out the Honda CRV buyer's guide providing information on car specs, reviews and fuel economy. The 2010 CRV is equipped with a L4 engine, generating 180 horsepower, and it has comparable seating capacity. You may also be interested in the Honda Element and the Acura RL.
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