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How do you replace the clutch in a 1991 Nissan 240sx?

Replacing the clutch in a 1991 Nissan 240SX involves removing the transmission and separating it from the engine. Here's a general overview of the steps:

1. Safety First: Ensure the vehicle is parked on level ground, the parking brake is engaged, and the engine has cooled down. Disconnect the negative terminal from your car battery.

2. Prepare the Work Area: Raise and secure the front of the vehicle on jack stands. Remove the front wheels, brakes calipers and rotors to create access to the transmission.

3. Remove the Transmission:

- Start by removing the transmission cross member.

- Disconnect the speed sensor, reverse light switch, and any electrical connectors attached to the transmission.

- Remove the starter motor.

- Unbolt the transmission mount.

- Remove the bolts holding the transmission to the engine.

- Carefully lower the transmission using a transmission jack or support it with blocks.

4. Separate Transmission and Clutch:

- Gently separate the transmission from the engine.

- Be cautious not to damage the input shaft of the transmission or the flywheel.

5. Remove Old Clutch:

- Locate the clutch assembly, which consists of the clutch disc, pressure plate, and release bearing.

- Remove the pressure plate bolts.

- Carefully lift off the old pressure plate and clutch disc.

6. Inspect and Replace:

- Inspect the flywheel for wear or damage. If necessary, resurface the flywheel.

- Install a new clutch disc and make sure it is aligned properly.

- Replace the pressure plate, ensuring that it is securely tightened.

7. Reinstall Transmission:

- Carefully align the transmission and engine and reinstall the transmission bolts.

- Reattach the transmission mount and other components you removed earlier.

8. Refill Transmission Fluid:

- Add new transmission fluid to the transmission according to the vehicle's recommended capacity.

9. Reconnect Electrical Connectors:

- Reconnect all the electrical connectors you disconnected earlier.

10. Test Drive:

- Reinstall the wheels, brakes, and reconnect the battery.

- Start the engine and test the clutch operation and drivability.

Remember that working with the transmission and clutch can be challenging, so if you're not confident in your mechanical abilities, it's best to have the work done by a professional mechanic.