2. If equipped, remove the engine cover (see Chapter 2). On diesel models it may be necessary to remove the fuel filter mounting clamp (see Chapter 4). Before starting the operations, add brake fluid to the reservoir of the hydraulic drive of the clutch and brakes, close the reservoir using the plug MKM-558-10.
3. Using a screwdriver, remove the retaining ring of the union nut on the hydraulic line connector and disconnect the clutch drive hose (see accompanying illustration). Carefully squeeze the lock and place the retaining ring in its place in the connector. The sealing ring must be replaced without fail. Immediately seal the open ends of the tube and hose to minimize the loss of hydraulic fluid and to prevent dirt from entering the system.
13.3. Manual transmission supply lines (using the example of manual transmission F17) - the arrows indicate the upper bolts securing the manual transmission to the engine: 1. Electrical connector sensor-switch reverse lights; 2. Hydraulic line coupling unit; 3. Retaining ring; 4. Clutch drive supply line hose
Caution: Do not depress the clutch pedal when the hose is disconnected!
4. Disconnect the wiring from the sensor switch (see illustration 13.3) reverse lights and release it from the intermediate fasteners on the gearbox housing.
Note: Depending on the configuration and type of the manual transmission, other electrical wiring lines may be connected to it or laid along it - they must also be disconnected.
5. On models equipped with the F23 manual transmission, disconnect the cable ends from the actuator lever on the gearbox (see Section 10), release the couplings from the holders and move the cables to the side.
6. Remove the 3 upper transmission-to-engine mounting bolts (see illustration 13.3).
Note: The location of both the upper and lower transmission mounting bolts may vary slightly between models.
7. Raise the power unit using lifting equipment and remove the front suspension subframe (see Chapter 10).
8. Unscrew the mounting bolts and remove the left support of the power unit (see Chapter 2).
Note: On some models it may be necessary to remove the support mounting bracket as well.
9. Gradually release the hoist/lifting chains, lower the power unit by approximately 5 cm, - make sure that the communication lines laid underneath are not pinched (hoses and wiring) and make sure that nothing interferes with the removal of the box.
10. Disconnect the drive shafts from the gearbox (see Chapter 8), and it is not necessary to remove them from the wheel hubs - just tie them with wire to the supporting parts of the body on the bottom.
11. On models equipped with F13, F17 and F17+ manual transmissions, loosen the gear selector shaft clamp bolt (see Section 9) and disconnect the drive rod from the gearbox.
12. Remove the mounting bolts and separate the front support and the rear support bracket of the powertrain suspension from the clutch dome.
13. Unscrew the lower bolts securing the gearbox to the oil pan and install the MKM-886-A device on the gearbox (see accompanying illustration), lifting it on a jack. Secure the box to the device.
13.13. Installation of the KM-886-A device (using the example of manual transmission F17) - the arrows indicate the side bolts that secure the transmission to the engine (on manual transmission F23 - three bolts)
Note: Before using the device, carefully read the instructions for use.
14. Remove the lower side bolts (see illustration 13.13) fastening the box to the engine, disconnect the box from the cylinder block and carefully lower it on the jack.
15. If you don't have a special device, use one or two assistants - unbolt the clutch dome from the engine block, move the gearbox and lower it by hand. Be careful, drain the transmission oil if necessary.
16. Installation is performed in the reverse order of removal. Do not forget to bleed the clutch drive (see Section 4) and adjust the gear shift drive (see Section 9), and also check the transmission oil level (see Chapter 1 and Section 4).
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