Before renewing the clutch master cylinder or clutch slave cylinder on the assumption that it is defective you must first check the clutch mechanism → Chapter.
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Disconnect battery earth strap.
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Note radio coding for vehicles with coded radio.
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Apply polycarbamide grease -G 052 142 A2- to all bearings and contact surfaces.
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Make sure that no brake fluid escapes into the footwell, the plenum chamber or onto the gearbox below. If this does happen, clean the affected area thoroughly.
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Before working on pedal cluster, remove driver's storage compartment → Rep. Gr.68.