Where exactly is the crankshaft sensor located on a Buick Lesabre?

The crankshaft position sensor (CKP sensor) location on a Buick LeSabre varies slightly depending on the year and engine. It's generally found on the bottom of the engine block, near the crankshaft pulley. However, you'll need to specify the year and engine size (e.g., 3.8L V6, 3.8L Supercharged V6) for a precise location.

To find it yourself:

1. Consult your vehicle's repair manual: This is the most accurate source. It will have diagrams showing the exact location and how to access it.

2. Use an online repair manual: Sites like Chilton, Haynes, or others offer online access to repair manuals specific to your vehicle's year and engine.

3. Look for a small sensor: It's usually a cylindrical sensor with a wire harness attached, positioned near the crankshaft pulley. This pulley is the large wheel at the front of the engine's crankshaft.

Without the year and engine type, pinpointing the exact location is impossible. The information above should help you narrow it down. Remember to always disconnect the battery's negative terminal before working on any automotive sensors or components.