All you do is turn the distributor until that timing mark is flashing at the right spot every time. This is the mark you aim for, usually somewhere between 3-5 degrees before Top Dead Center. On most crank pulleys, there is another mark. You can also shut off the engine in this way. Turn the distributor too much and the mark will leave entirely. If you loosen the distributor and turn it slightly, you'll see that mark move to the left or right. On an engine timed to zero degrees advance, also known as Top Dead Center, that mark will appear to flash with the light pointed at it. With the light wired up per the instructions and the engine running, point the light at the main pulley that comes off the crankshaft. If you're cool enough to have an older school car or truck with a distributor that you can put your hands on, adjusting the timing is as simple as giving the distributor a twist. At this time the exhaust valve opens up and lets the old, burnt mixture out so we can suck new stuff in and do it all again! At this point the spark plug fires and ignites the air-fuel mixture, causing the piston to be pushed back down to the bottom of the stroke. The third stroke is the ignition or combustion stroke (now we're getting somewhere). This creates heat and volatility in the mixture. The second part, or stroke, in each cylinder is called the "compression stroke." Now the air-fuel mixture is literally compressed tightly. Most new cars use direct injection so the air gets sucked in through the intake valve while the fuel is blasted in by a precise injector. Each one of these cycles is repeated in each cylinder. A little history: The engine in your car or truck has 4 cycles. The good news is it's just as easy to adjust and reset. Your ignition timing, on the other hand, can be throw off by any number of little things. If it wasn't, you'd know it because your car would be running horribly, if at all. The KA24E came in 2.0- and 2.4-liter versions and was used in many Nissan autos, including: the 240SX, Pathfinder, Stanza and Nissan trucks. The KA24E was a workhorse engine in Nissan automobiles from 1988 until 2004. Luckily unless you've been doing some serious work on your car, the cam timing is probably right on the money. Evergreen TBK304WPA Compatible With 99-05 Subaru Non-Turbo SOHC EJ22 EJ25 Timing Belt Kit AISIN Water Pump.
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