1. Disconnect the battery. This is a safety precaution to prevent any electrical accidents.
2. Remove the serpentine belt. The serpentine belt is the long belt that wraps around the crankshaft pulley, the alternator, and the power steering pump. To remove it, loosen the tensioner pulley bolt and then slip the belt off of the pulleys.
3. Remove the crankshaft pulley bolt. The crankshaft pulley bolt is located in the center of the crankshaft pulley. To remove it, you will need a breaker bar and a socket wrench.
4. Use a puller to remove the crankshaft pulley. Once the crankshaft pulley bolt is removed, you can use a puller to remove the crankshaft pulley. A puller is a tool that uses a threaded rod and a slide hammer to pull the pulley off of the crankshaft.
5. Install the new crankshaft pulley. Once the old crankshaft pulley is removed, you can install the new one. To do this, simply reverse the steps that you took to remove the old pulley.
6. Reconnect the battery. Once the new crankshaft pulley is installed, you can reconnect the battery.
Here are some additional tips for removing the crankshaft pulley on a 1989 Honda Civic:
* If the crankshaft pulley bolt is stuck, you can try using a penetrating oil to loosen it.
* Be careful not to damage the crankshaft pulley when you are removing it.
* If you are not comfortable removing the crankshaft pulley yourself, you can have it done by a professional mechanic.
