Installing coolant pumps

• Make sure the fitting sleeve (1) is in the crankcase.

• Clean sealing surface (2).

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• Check the O-ring (1) of the coolant line (2) for damage, replace the line if applicable.

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• Replace O-ring (1).

  Parts: O-ring

• Replace the seal (2).

  Parts: Seal

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• Position the coolant pump (3) with the feed line.
• Position the coolant line (2).
• Tighten down screw (1).

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Coolant line on coolant pump
M6x12 screw	tightening torque	8 Nm

Install the feed line to the external radiator 

• Position the feed line (2).
• Connect the feed line (2).

  The retaining clip (1) must engage audibly.

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Install feed line 

• Position the feed line.
• Connect the feed line (2).
• Retaining clip (1) must engage audibly.

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• Position coolant pump (1).
• Tighten the screws in the area indicated by the arrows.

Coolant pump
M6 screw	Tightening torque	10 Nm

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• Position the coolant line.
• Connect the coolant line (2).
• Retaining clip (1) must engage audibly.

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Tighten the heater return 

• Position the heater return (2) in the coolant pump.
• Tighten down screw (1).

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Heater return
M6x18	Tightening torque	8 Nm

• Connect plug connection (1) and lock.

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• Check the O-ring (1) of the coolant line (2) for damage, replace the line if applicable.

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• Position the coolant line (2).
• Tighten down screw (1).

Coolant line on coolant pump
M6x12 screw	tightening torque	8 Nm

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Follow-up work 

• Refer to INSTALLING THE COOLANT LINE FROM THE COOLANT PUMP TO THE CHARGE AIR COOLER ON THE RIGHT .
• Refer to INSTALLING THE LEFT-HAND CHARGE AIR COOLER .
• Refer to CLOSING THE COOLANT PUMPS .
• Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to REMOVING UNDERBODY PROTECTION AT SIDE RIGHT AND LEFT .
• Refer to INSTALLING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
• Refer to INSTALLING DRIVE BELT .
• Refer to INSTALLING FAN COWL WITH ELECTRIC MOTOR .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING UPPER CROSS CONNECTION .
• Refer to INSTALLING RIGHT INTAKE SILENCER HOUSING .
• Refer to TIGHTENING THE FRONT-END STRUT ON THE RIGHT .
• Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
• Refer to TIGHTENING THE LEFT FRONT-END STRUT .
• Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
• Refer to INSTALLING THE FRONT HOOD SEAL .
• Refer to INSTALLING THE COVER PANEL OF THE MASTER DME CONTROL UNIT .
• Refer to INSTALLING THE COVER PANEL OF THE SLAVE DME CONTROL UNIT .