Hydraulic tubes and hose — inspection, removal and installation (Nissan Bluebird T12)

1. On early models, the clutch master and slave cylinders are connected by a metal hydraulic pipe that runs along the bulkhead to a hanger bolted to the left fender. From there, a flexible hose connects to a second metal pipe that leads to the slave cylinder.

2. On later models, a metal hydraulic pipe runs along the bulkhead to a suspension bracket bolted to the left fender. From there, a flexible hose runs to the slave cylinder.

3. When checking the system, first look for signs of leaks on the tube or hose couplings, then check the condition of the flexible hose. Also check that the pipes and hose are securely fastened in the brackets or hangers.

4. Carefully inspect the metal hydraulic tubes along their entire length, looking for dents, damage or corrosion. If the corrosion is severe, the tube must be replaced.

5. If it is necessary to replace the pipe or hose, seal the master cylinder reservoir.

6. Before disconnecting any connection, thoroughly clean the area around it.

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7. To unscrew the connecting nuts, it is preferable to use a special key of the appropriate size; it can be purchased at auto parts stores.

8. When installing, do not overtighten the union nuts. On later models, always replace the sealing gaskets on each side of the slave cylinder banjo joint.

9. Check that the pipes and hose are correctly routed and secured in the brackets or hangers. After installation, remove the polyethylene from the tank, bleed the hydraulic system as described in Chapter 5 of this Section.