Installing coolant pumps

• Clean the sealing surface (1) from oil and contamination.

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  Check 

• Check the lining sleeve (1) for damage.

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Desired state 

• Lining sleeve must not be scratched or deformed.

Result 

» Lining sleeve is damaged.

Measure 

• Completely replace the coolant pump.

Parts:  Coolant pump

Check 

• Check the sealing bead for damage.
• Check the protrusion of the sealing bead (1) on the coolant pump (2).

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Result 

» The sealing bead (1) is not protruding or the sealing bead (1) is damaged.

Measure 

• Replace sealing bead (1) on the coolant pump (2).

Loctite 5970 liquid sealing compound Processing time <10 minutes at room temperature

50 ml, Cartridge

83190404517

• Have the special tool 2 469 803  ready.

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• Position the sealing compound (1) as shown on the special tool 2 469 803  .

  Parts:  Sealing compound

  SEALING COMPOUND
  
  

  Loctite 5970 liquid sealing compound Processing time <10 minutes at room temperature

  50 ml, Cartridge

  83190404517

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position the coolant pump on the component carrier.
• Tighten down screws (2) and (3).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Coolant pump with function carrier on crankcase
  M8 x 35	tightening torque	19 Nm

• Clip on the vacuum hose (1).

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Follow-up work 

• Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING FRONT CROSS CONNECTION .
• Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
• Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
• Refer to INSTALLING ACOUSTIC COVER .