Where is the drain plug for differential on a 97 Thunderbird?

The differential drain plug on a 1997 Ford Thunderbird is located on the bottom of the differential housing. However, to be precise, you'll need to get under the car and look closely. It's usually a square or hex-shaped plug. It's important to note that the exact location may vary slightly depending on the specific rear axle configuration (some might have a slightly different housing shape).

To locate it effectively:

* Jack up the rear of the car securely and use jack stands. Never work under a car supported only by a jack.

* Use a creeper to get comfortable under the car.

* Look for the rear differential housing. It's a large casing near the rear axle.

* Carefully inspect the bottom of the housing. The drain plug is usually near the bottom center or slightly off-center.

Before you start, make sure you have the correct size socket or wrench for the drain plug. You'll also need a drain pan to catch the differential fluid. Consult a repair manual specific to your 1997 Thunderbird for a diagram and further guidance if you are unsure.