## DRIVELINE

### Driveshaft

#### REMOVAL AND INSTALLATION

##### 240SX and 300ZX

1. Raise and safely support the vehicle.
2. Matchmark the flanges on the driveshaft and differential so the driveshaft can be reinstalled in its original position; this will help maintain drive line balance.
3. Unbolt the rear flange and the center bearing bracket.
4. Withdraw the driveshaft from the transmission and pull the driveshaft down and back to remove.
5. Plug the transmission extension housing to prevent oil leakage.

   To install:

6. Lubricate the sleeve yoke splines with clean engine oil prior to installation. Insert the driveshaft into the transmission and align the flange matchmarks.
7. For 240SX models, perform the following:
   1. Install the flange and the center bearing bolts.
   2. Tighten the center bearing mounting bolts to the following specifications:
      - 1993–94 vehicles — 19–29 ft. lbs. (25–39 Nm).
      - 1995–97 vehicles — 32–41 ft. lbs. (43–55 Nm).
8. For 240SX models, perform the following:
   1. Tighten the driveshaft rear flange-to-differential mounting bolts to the following specifications:
      - 1993–94 vehicles — 29–33 ft. lbs. (39–44 Nm).
      - 1995–97 vehicles — 41–48 ft. lbs. (55–65 Nm).
9. For 300ZX models, perform the following:
   1. Position the driveshaft and center support bearing. Start but do not tighten the center support bearing bolts.
   2. Align the driveshaft rear flange with the matchmarks and install the mounting bolts. Tighten the rear flange mounting bolts as follows:
      - Turbocharged models — 47–54 ft. lbs. (64–74 Nm)
      - Non-turbocharged models — 41–48 ft. lbs. (55–65 Nm)
10. For 300ZX models, tighten the center support bearing mounting bolts to 43–58 ft. lbs. (59–78 Nm)
11. Lower the vehicle and check the transmission fluid level. Add the appropriate type of fluid as necessary.