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Replacing the clutch master cylinder
In the event of leakage or internal bypass fluid clutch master cylinder assembly should be replaced, as follows: a) Disconnect the negative battery cable; b) Drain the brake fluid from the hydraulic clutch system:
| Fig. 5.7. Drain the brake fluid from the hydraulic system of coupling 1 - the union
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- Connect the hose to the drain fitting 1 (Fig. 5.7) the clutch slave cylinder (Transmission); - Open nozzle and drain the system of brake fluid into a container; - Tighten the union;
| Fig. 5.8. Disconnect the clutch pedal: 1 - pin; 2 - sleeve
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c) Disconnect the clutch pedal (Fig. 5.8) from the clutch master cylinder: - Remove the bottom cover of the instrument panel; - Remove the locking bracket and then remove the pin; - Check the condition of the pin sleeve; d) Disconnect the fuse box: - Remove the cover;
| Fig. 5.9. Tighten the screws on the fuse box (indicated by arrows)
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- Remove the two screws (Fig. 5.9) and put the fuse box to the side;
| Fig. 5.10. The vacuum pump bolts (arrows)
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e) disconnect the vacuum pump control system Cruise control (if the system is installed), which turn out two bolts of the bracket (Fig. 5.10) and set aside the whole assembly; e) Place a cloth under the clutch cylinder and disconnect the hose brake fluid to the master cylinder of the clutch master cylinder reservoir;
| Fig. 5.11. Mounting the clutch master cylinder: 1 - the union; 2 - nuts
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g) Loosen fitting 1 (fig. 5.11) for feeding the brake fluid clutch slave cylinder; g) unscrew the two screws 2 fixing the clutch master cylinder; and) Remove the tube fitting 1 and remove clutch slave cylinder; a) remove the gasket; l) Clean clutch cylinder and the fire wall. m) install a new clutch master cylinder: - Install a new gasket on the fire wall; - Install and tighten the choke tube 1 with your fingers; - Screw the two nuts 2 and tighten the moment 13 Nm; - Set the hose between the tank and the cylinder; - Fill the brake fluid reservoir and tighten the choke tube after the connection of the brake fluid begins to flow; torque 15 Nm;
NOTE Use only brake fluid Volvo (DOT +). |
- Align opening bracket rod clutch master cylinder sleeve with a hole on the clutch pedal, insert the pin, set the spring latch, set the bottom cover of the instrument panel; - Set the vacuum pump and put the two screws bracket; tightening torque 10 Nm; - Install the fuse box (Fig. 5.10); Put the two screws and tighten to 10 N ?� m; - Put the lid unit.
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