Tip & How-To about BMW 528
Always loosen the pipes before removing the mounting nuts or bolts of master, slave cylinders or brake cylinders....When assembling, screw them all the way in by hand first. They can become cross threaded very easily.
Fig. Fig. 1: Block the clutch pedal to prevent slave cylinder damage, should the pedal be depressed while the cylinder is removed from the transaxle
Fig. Fig. 2: To remove, rotate the slave cylinder about 1/4 turn counterclockwise while pushing toward the bell housing
Fig. Fig. 3: This plastic retaining strap must remain on the slave cylinder to ensure proper seating of the actuator rod against the release fork
Fig. Fig. 4: Rotate the clutch master cylinder about 1/8 turn clockwise and remove it from the instrument panel
HYDRAULIC SYSTEM BLEEDING
The clutch hydraulic assembly has been filled with fluid and bled of air at the factory. Do not attempt to bleed the hydraulic system. While the unit does not require periodic checking, it must be serviced, when necessary, as a complete assembly. The system is full when the reservoir is half full.
Only DOT 3 brake fluid should be added to the system. If the fluid level drops, inspect the system, including the slave cylinder, for leakage. A slight wetting of the slave cylinder surface is normal. Fill the clutch master cylinder reservoir with brake fluid. Be careful not to spill brake fluid on the painted surface of the vehicle.
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