Warning: Brake fluid used as a working fluid in the clutch drive path is toxic and chemically aggressive and destroys the paintwork when in contact with body panels. Before starting the procedure, cover the fenders and front panel of the car with special covers or just old blankets. Bleed the brake system wearing safety glasses. If brake fluid accidentally gets into your eyes, rinse them immediately with plenty of water and seek medical help!
1. The hydraulic clutch release drive must be bled each time after removing its components, and also when the fluid level in the reservoir drops so much that air gets into the master cylinder. When bleeding, use only fresh brake fluid of the required grade (D0T-4). Make sure that the union connections of the clutch hydraulic circuit are tight.
Attention: Do not reuse liquid that has been pumped out of the system, or liquid that has been stored for a long time in a loosely closed container!
2. Bleeding of the hydraulic circuit is performed through a special connection using a set of special equipment that is used for bleeding the working brake system.
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Attention: Manual bleeding of the drive is no longer permitted!
The general connection diagram for the kit is shown in the accompanying illustration - before using the kit, carefully read the operating instructions.
3. Remove the master cylinder reservoir cap and fill the reservoir with fresh hydraulic fluid, bringing its level to the MAX mark. Connect a special adapter to the reservoir (see illustration 4.2) and attach the MKM-6174-2 device to it — lower the free end of the hose into a suitable drain container. Remove the protective cap of the bleeding connection and attach the MKM-6174-2 device to it. Attach the other end of the device to the bleeding device.
4. Turn on the pumping device, turn the coupling (see illustration 4.2) 2-3 turns, this will open the bleeding valve. Continue bleeding until air bubbles stop coming out of the drain hose. When the procedure is complete, manually tighten the coupling, turn off the device and remove all installed components. Remove any traces of brake fluid leaks.
5. On models equipped with the Easytronic robotic gearbox, before connecting the bleeding device, it is necessary to remove the battery with the tray. The device should only be used together with the TESN-2 diagnostic device - carefully read the device instructions. The location of the bleeding connection is shown in the accompanying illustration.
Note: On these models, the adapter is installed on the clutch fluid reservoir.
Caution: Even the slightest amount of mineral oil entering the Easytronic brake fluid will cause the clutch to fail!
6. Checking the brake fluid level in the Easytronic system reservoir is also done with the battery support tray removed - the level should be between the "MIN" and "MAX" marks (see accompanying illustration).
7. Check the proper functioning of the clutch drive, as well as all drive components for leaks.
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