61 13... Control unit connectors, 25-, 35-, 55-, 83-, 88-pin

Release screws (1).

Lever out pin sensor (2) with gasket (3) in direction of arrow.

Fig 1: Identifying Screws, Pin Sensor, And Seal

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Remove gasket (3).

Pull out housing lock (4) in direction of arrow and unlock.

Fig 2: Identifying Seal And Housing Lock

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Press down retaining hook (5) of corresponding contact and pull out cable with contact.

Special tool 61 0 312 (61 1 134) for mini flat spring contacts.

Special tool 61 0 314 (61 1 135) for mini flat spring contacts.

Fig 3: Pressing Down Arrester Hook

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Special tool 61 0 315 (61 1 151) for double flat spring contacts (dual retaining hooks)

Fig 4: Using Special Tool 61 1 151

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Special tool 61 0 323 (61 1 152) for double flat spring contacts (special retaining hook)

Fig 5: Using Special Tool 61 1 152

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