E46 series BMW 3

since 1998 of release

Repair and car operation

E46 series BMW 3
+ BMW 3 Cars (E46)
+ Current leaving and service
+ Engine
- Systems of cooling, heating
   - System of cooling of the engine
      Replacement of cooling liquid
      Thermoswitch check
      Check of system of cooling under pressure
      Connection and separation of the quick disconnect coupling
      Removal and thermostat installation
      Removal and installation of a fan / casing of the fan
      Removal and fan installation with the vyazkostny coupling
      Removal and radiator installation
      Removal and installation of the pump of cooling liquid
   + Heater and conditioner of air of salon
+ Power supply systems, injection and release
+ engine Electric equipment
+ RKPP and transmission line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Schemes


Connection and separation of the quick disconnect coupling

Hoses and accessions of cooling liquid incorporate quick disconnect couplings. Connection/separation of the quick disconnect coupling is described on an example of the coupling of the top hoses of a radiator.


1 Merge cooling liquid in capacity, address to the Section Replacement of cooling liquid.

2 Take out upward a screw-driver wire clamps-1-and-2-.

3 Separate the coupling.


4 Check sealing rings in connections of quick disconnect couplings. In the presence of damages replace.

It is not necessary to grease sealing rings with any greasing.

5 Press before installation wire clamps on the coupling.
6 Connect the coupling. Thus clamps should be fixed distinctly.
7 Fill system with cooling liquid and remove from system air, address to the Section Replacement of cooling liquid.