Removing coolant pipes

Preliminary work 

• Refer to REMOVING THE COMPLETE FRONT AXLE WITH THE ENGINE AND TRANSMISSION .
• Refer to PARTIALLY LOOSENING THE LEFT-HAND CHARGE AIR COOLER .
• Refer to REMOVING THE RIGHT THROTTLE BODY .
• Refer to PARTIALLY LOOSENING THE RIGHT-HAND CHARGE AIR COOLER .
• Refer to REMOVING THE ENGINE VENTILATION LINE FROM THE INTAKE SYSTEM .
• Refer to REMOVING THE TANK VENT LINE .
• Refer to REMOVING THE INTAKE PLENUM .
• Refer to REMOVING THE INTERMEDIATE FLANGE OF THE INTAKE PLENUM .

• Remove positive battery cable (1) at the rear on the cylinder heads from the clamps (2).

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• Unlock the locks (1).
• Remove the vacuum line (2).

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• Loosen the vacuum line (1) from the clamps.
• Feed out vacuum line (1) and remove.

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• Remove positive battery cable from clamps (1).

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• Remove positive battery cable from clamps (1).
• Feed out and remove the positive battery cable towards front.

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• Disconnect the plug connection (1) on cylinder head 1-6.
• Release the hose clips (2) and (3) by using the special tool 0 495 794 (17 2 050). 
• Disconnect coolant hoses.

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• Unscrew the bolts (1) on the coolant lines.

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• Unlock and loosen the coolant hose on the coolant expansion tank for the low-temperature coolant circuit.
• Thread out and remove both coolant pipes (1) in the direction of arrow.

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