Removing the retaining bridge

Removing the acoustic cover

NOTE: RISK OF DAMAGE
Damage to the acoustic cover/design cover.
Jerky movements during disassembly and application of excessive force during installation may result in breakage of the acoustic cover/design cover.

Disassemble or mount the acoustic cover/design cover carefully.
Disassemble or mount snap-lock couplings of the ball pivots one after the other.
Disassemble or mount the acoustic cover/design cover only at temperatures > 20°C.
Use only distilled water as an auxiliary material during installation, no lubricants.

Version with clip:
Unclip the tank vent line (2) at the clamp (1) .

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Release the acoustic cover (1) upwards out of the rubber mounts (markings).

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Removing the cover panel of the left DME control unit

Remove the cover (1) and pull it up.

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Removing the control unit bracket for cylinders 5 to 8

NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
Read and comply with user information on using the associated special tool 12 7 060.
Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information see: NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .

NOTE: TECHNICAL INFORMATION
Follow instructions for removing and installing control units.
For additional information see: INSTRUCTIONS FOR REMOVAL AND REPLACEMENT OF CONTROL UNITS .

NOTE: TECHNICAL INFORMATION
If control units are disconnected, fault memory entries and functional limitations may occur.
The fault memory entries must be read out and, if necessary, deleted.

Unlock and disconnect all plug connections (1) .
Disconnect all clamps (2) .

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Loosen screws (1) .
Guide out and remove control unit bracket (2) with the DME control unit upwards out of holder (3) .

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Loosen the sealing cap (1) from the coolant expansion tank.

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Unlock plug connection (1) and disconnect.

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Disconnecting the coolant hoses (1) from the coolant expansion tank (2) with standard clamping pliers.

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Draw off the coolant with a standard syringe.

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Unlock and disconnect the coolant line (1) from the coolant expansion tank (2) .

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Unlock and disconnect the coolant line (1) from the coolant expansion tank (2) .

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Unlock and disconnect the coolant line (1) from the coolant expansion tank (2) .

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Loosen screws (1) .
Unclip the coolant line from the bracket in the region (2) .

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Release the wiring harness mounting at the snap-in lug (1) and put it aside.
Remove the coolant expansion tank.

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Working upwards, unclip the engine ventilation line (1) .
Unclip the wiring harness from the attachments (2) .

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Loosen screws (1) .

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Unclip the transmission wiring harness from the bracket (1) .
Unclip the plug connector (2) upwards from the heat shield.
Loosen screws (3) .

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Unclip the Lambda oxygen sensor cable from the bracket (1) .

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Unlock and disconnect the engine ventilation line from the retaining clip in the region of (1) .

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Release the hose clamps (1) .
Remove the bellows (2) .

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Unlock plug connection (1) and disconnect.

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Unclip the cable of the Lambda oxygen sensor from the bracket (1) .

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Unlock plug connection (1) and disconnect.

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Unlock and disconnect the engine ventilation line from the retaining clip in the region of (1) .
Feed the connector (2) of the Lambda oxygen sensor through.

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Unclip wiring harness mounting (1) from the retaining bridge.

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Unclip wiring harness mounting (1) from the retaining bridge.
Remove the retaining bridge upwards.

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