Table of contents: Disassembly ↓ Installation ↓
1. Disconnect the battery from ground.
2. Place a tray or a rag underneath.
3. Loosen the tube fittings on the master cylinder (photo).
10.3 Nuts of the nipples on the master cylinder (it is recommended to release with a gas wrench)
4. Unscrew the nuts securing the cylinder to the vacuum booster.
5. Carefully remove the cylinder from the studs, unscrew the fittings and plug the holes. Remove the cylinder.
6. Plug the hydraulic pipes.
Disassembly
7. Prepare the master cylinder repair kit.
Attention! The main cylinder of the cars in question uses Nabco and Tokico repair kits, which are not interchangeable. Therefore, first purchase the required repair kit.
8. Clean the cylinder and drain the fluid.
9. Remove the cap, remove the lock washer (if provided), the first piston and spring (photo).
10.9 Brake Master Cylinder Parts
1. Cork; 2. Filter; 3. Float; 4. Tank; 5. Secondary piston assembly; 6. Primary piston; 7. Cap; 8, 9. Cuffs; 10. Thrust washer; 11. Spring; 12. Cylinder; 13. Seals; 14. When assembling, lubricate with liquid
10. Remove the secondary piston by tapping the cylinder against a wooden block.
11. Check the condition of the cylinder. If scratches or discolored areas are found, replace the cylinder.
12. Disassemble the secondary piston (primary non-separable).
13. Wash all parts in alcohol or brake fluid.
14. Remove the tank only when necessary.
15. Place the cuffs on the piston, making sure that they are oriented correctly.
16. Dip the parts in brake fluid.
17. Assemble all parts in the order of their previous installation, bend the tabs on the cap (photo) and install on the cylinder. If the cap is damaged, replace it.
10.17 Before assembling the master cylinder, bend the tabs on the cap
Installation
18. Before installation, it is recommended to fill the cylinder with liquid and remove air. This measure will reduce the duration of bleeding the brakes.
19. Close the holes for the fittings with threaded plugs, secure the cylinder and fill the cylinder tank with liquid.
20. Unscrew one of the plugs, press on the pistons, screw in the plug and release the pistons.
[For more information, see the website: nissanbook.ru]