1. Park the car on a level surface and turn off the engine. Allow the engine to cool down completely.
2. Locate the fuel filter. On the 1989 Toyota Celica St, the fuel filter is located under the car, near the fuel tank.
3. Place a catch pan under the fuel filter to catch any spilled fuel.
4. Loosen the fuel line clamps with a screwdriver or adjustable wrench.
5. Remove the fuel lines from the fuel filter. Be careful not to spill any fuel.
6. Remove the fuel filter mounting bracket with a screwdriver or adjustable wrench.
7. Remove the old fuel filter from the bracket.
8. Inspect the old fuel filter for dirt or debris. If the filter is dirty, it should be replaced.
9. Install the new fuel filter in the bracket. Make sure the filter is installed in the correct direction.
10. Reinstall the fuel filter mounting bracket.
11. Reattach the fuel lines to the fuel filter. Tighten the fuel line clamps securely.
12. Start the engine and check for leaks. If there are no leaks, the fuel filter has been successfully replaced.
