Prepare the coolant pump and the coolant pump housing

NOTE: RISK OF DAMAGE
Damage to the surface.
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage.

Do not use any metal-cutting tools.

NOTE: TECHNICAL INFORMATION
The sealing surfaces must be free of oil, grease and cleaning agents.

NOTE: TECHNICAL INFORMATION
When removing the coolant pump, always remove the sealing ring from the assembly rack.

Remove sealing ring (1) if necessary.

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NOTE: TECHNICAL INFORMATION
The sealing surfaces must be free of oil, grease and cleaning agents.
Clean sealing surface (1).

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Check

Check the sealing bead (1) for damage.
Check the protrusion of the sealing bead (1) on the coolant pump (2).
Check the sealing ring (3) on the coolant pump (2) for damage.

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Result

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

Measure

Replace the sealing bead (1).
Have the special tool 2 469 803 ready.

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NOTE: TECHNICAL INFORMATION
For additional information see: 11 00... OVERVIEW OF CONSUMABLES IN PARTS CATALOG .

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

Parts: Sealing compound

SEALING COMPOUND SPECIFICATION

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

50 ml, Cartridge

83190404517

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NOTE: TECHNICAL INFORMATION
The processing time of the liquid sealing compound can be at a maximum of 10 min.
Commissioning of the assembly is not possible until 25 minutes after the processing time.
Non-observance can lead to leaks in the assembly.

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Apply the sealing compound with a height of approximately 2 mm to 2.5 mm.
Ensure that the sealing ring (3) is correctly installed.
Check the guide sleeve (2) for correct fit.