Remove intake plenum

• All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
• For additional information see:

  61 00... SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .

• For additional information see:

  61 25... NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

Preliminary work 

• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING RESONATOR .
• Refer to REMOVING CLEAN AIR PIPE .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to REMOVING THE FRONT THRUST FIELD .
• Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to REMOVING CHARGE AIR LINE .
• Refer to REMOVING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
• Refer to REMOVING THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING ACOUSTIC COVER AT REAR .
• Refer to REMOVING TANK VENT VALVE .
• Refer to REMOVING THE DME CONTROL UNIT .
• Refer to REMOVING CONTROL UNIT BRACKET .

• Release and remove the coolant return line (1)  with a suitable tool (2)  .

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• Detach the coolant return line at the clamp (1)  .
• Unscrew the bolts (2)  and set the engine wiring harness aside.
• Unlock coolant line (3)  and detach.

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• Detach the coolant lines (1)  from the holder.

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• Unlock plug connection (1)  and disconnect.
• Unclip engine wiring harness in the marked area.
• Unlock the holder (2)  and set the wiring harness (3)  aside.
• Detach the ventilation line (4)  in the marked area.

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• Detach the ventilation line (1)  in the marked area.
• Unlock and detach the ventilation line (2)  .
• Unscrew the bolt (3)  and guide the ventilation line (4)  out.

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• Unlock and disconnect the plug connections (1)  and (2)  .

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• Unlock and detach the coolant feed line (1)  .
• Unlock the clamp (2)  and detach the coolant line.

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• Loosen screws (1)  .

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• Loosen screws (1)  .
• Detach the coolant feed line (2)  .
• Lay holder (3)  to one side.

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  NOTE: TECHNICAL INFORMATION 
  Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.
• Loosen screws in the order (5)  to (1)  .
• Thread out intake plenum and remove.

Fig 1: Intake Plenum Screws Loosening Sequence

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