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Audi ur-quattro clutch slave cylinder replacement.

NOTE: Clutch slave cylinders of markedly inferior quality are finding their way onto the market. Ensure you obtain your replacement from a reputable source, and check that the piston is retained by a proper circlip and not a pressed-in star washer.

Procedure:

• Place car on a lift or axle stands.
• Select third gear.
• Optionally detach the track rods (tie rods). In difficult cases, it may be necessary to remove the heater hose and detach much of the wiring.
• Lie under the car behind the front axle, head at left of car.
• Detach flexible hose at bulkhead fitting.
• Remove the securing clip on the slave cylinder.
• [To 85-J-900108] Using a drift, knock out the roll pin. The nominal size is 6mm - any drift between about 4.5mm and 5.5mm will work.
• [From 85-J-900109] Remove the securing bolt from the left of the slave cylinder.
• Loosen slave cylinder with an appropriate lever. This may require considerable effort.
• Working from the engine bay, drift the slave cylinder backwards.
• Fit the flexible hose to the new slave cylinder and refit.

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