Prepare the coolant pump and the coolant pump housing
WARNING:
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
- All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
- For additional information see:
- For additional information see:
WARNING:
Hot fluids.
Risk of scalding!
Risk of scalding!
- Conduct all work in the vehicle wearing appropriate personal protective equipment only.
CAUTION:
Materials harmful to health.
Contact with fluids harmful to health!
Contact with fluids harmful to health!
- Note and follow safety instructions on containers.
- Conduct all work in appropriate personal protective equipment only.
NOTE:
TECHNICAL INFORMATION
Follow notes for repair work on the cooling system.
For additional information see:
17 00 NOTES FOR REPAIR WORK ON THE COOLING SYSTEM
Follow notes for repair work on the cooling system.
For additional information see:
17 00 NOTES FOR REPAIR WORK ON THE COOLING SYSTEM
NOTE:
TECHNICAL INFORMATION
Filling without the vacuum filling equipment (watering can filling) is not permitted.
If this is not observed, there is a risk of component damage or engine damage.
The filling specification must be observed.
It is essential to visually check the vacuum filling equipment before use to check that it is functioning correctly and clean.
It is not permissible to operate the vehicle if the filling procedure has not been fully completed. Otherwise there may be functional limitations (degradation) or overheating.
A bleeding procedure is required after a part has been exchanged in the cooling system and/or after refilling the cooling system.
Filling without the vacuum filling equipment (watering can filling) is not permitted.
If this is not observed, there is a risk of component damage or engine damage.
The filling specification must be observed.
It is essential to visually check the vacuum filling equipment before use to check that it is functioning correctly and clean.
It is not permissible to operate the vehicle if the filling procedure has not been fully completed. Otherwise there may be functional limitations (degradation) or overheating.
A bleeding procedure is required after a part has been exchanged in the cooling system and/or after refilling the cooling system.
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
NOTE:
TECHNICAL INFORMATION
Immobilization period-long fill of coolant!
Do not reuse used coolant.
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.
Immobilization period-long fill of coolant!
Do not reuse used coolant.
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.
Preliminary work
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING DESIGN COVER .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
- Refer to REMOVING BOTH COOLANT EXPANSION TANKS .
- Refer to REMOVING ACOUSTIC COVER AT FRONT .
- Refer to DETACHING BELT PULLEY .
- Refer to REMOVING THE DRIVE BELT FOR COOLANT PUMP .
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.
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.
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.
When removing the coolant pump, always remove the sealing ring from the assembly rack.
- Remove sealing ring (1) if necessary.
NOTE:
TECHNICAL INFORMATION
The sealing surfaces must be free of oil, grease and cleaning agents.
The sealing surfaces must be free of oil, grease and cleaning agents.
- Clean sealing surface (1).
- 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.
Result
» No protrusion of sealing bead (1) found or the sealing bead (1) is damaged.
Measure
- Replace the sealing bead (1).
- Have the special tool 2 469 803 ready.
NOTE:
TECHNICAL INFORMATION
For additional information see: OVERVIEW OF CONSUMABLE (APPLICABLE BMW PARTS CATALOGUE) .
For additional information see: OVERVIEW OF CONSUMABLE (APPLICABLE BMW PARTS CATALOGUE) .
- 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 |
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.
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.
- 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.