Front Disc Brake Rotor: Installation
To install, reverse removal procedure. On 240SX and 300ZX, tighten wheel bearing lock nut to 18-22 ft. lbs. (24-30 N.m). Back nut off 60 degrees. Using a spring scale attached to a wheel stud, check bearing preload. Tighten or loosen nut until bearing preload is 1.54-3.29 lbs. (.7-1.49 kg) with new parts are installed. If used parts are used, bearing preload should be .37-1.74 lbs. (.17-.79 kg).
- To install, reverse removal procedure. Coat wheel bearings and inside hub with wheel bearing grease. Install new inner grease seal.
- Tighten bolts attaching hub to rotor evenly and adjust wheel bearings. Tighten wheel bearing lock nut. See TORQUE SPECIFICATIONS in this article. Bleed hydraulic system.
- Install hub-to-rotor bolts and tighten. Assemble wheel hub and knuckle in reverse order of disassembly. Pack cavity of knuckle with wheel bearing grease and coat all bearings.
- Rotate hub to seat bearings. Tighten wheel bearing lock nut. See TORQUE SPECIFICATIONS in this article. Bend lock washer lip up into a lock nut groove. Install spindle assembly and tighten suspension components. Ensure axle shaft end play is .004-.012" (.1-.3 mm).
- Adjust axle shaft end play with proper thickness of snap ring. Mount and tighten caliper bolts. Bleed hydraulic system.