E46 series BMW 3
since 1998 of release
Repair and car operation
E46 series BMW 3
+ BMW 3 Cars (Е46)
+ Current leaving and service
- Systems of cooling, heating
- System of cooling of the engine
Replacement of cooling liquid
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
+ Onboard electric equipment
+ electric equipment Schemes
Replacement of cooling liquidIt will be necessary for work for you:
- A viewing hole or the hydraulic garage lift with supports.
- Cap key or head.
- Capacity for cooling liquid.
- Antifreeze. The brands of antifreeze resolved by BMW firm are thus allowed to application only. Address to Specifications. Attention: Mixing of antifreeze of various brands is not allowed.
- Pure, with the low content of lime water of drinking quality.
- For a drain stopper on the block of cylinders the sealing ring And 14 x 18 is necessary aluminum.
Within maintenance it is necessary to make replacement of cooling liquid each 4 years. Attention: Cooling liquid in a certain degree is poisonous, and it cannot be poured out simply. Local authorities should provide information on an arrangement of points of reception of similar materials.
The volume of system of cooling is specified in Specifications.
Removal of cooling liquid
1 Carefully open a stopper of a broad tank.
2 Lift and establish the car on supports. Remove the bottom cover of an impellent compartment, address to the Section Removal and installation of the bottom cover of an impellent compartment.
5 Completely merge cooling liquid and utilize it according to an existing order.
6 Screw a drain stopper with a new sealing ring in the block of cylinders and tighten the moment of 25 N • m.
7 Screw a drain stopper on a radiator with new sealing slightly tighten it the moment of 2.5 N • m.
Filling of system with cooling liquid
8 Establish a heater in salon on the maximum capacity. The switch of the fan establish on a low step and include ignition. Thus, heater cranes open.
10 Petrol engines: Fill a broad tank to edges with fresh cooling liquid so that liquid left without vials via the union for air removal. Close the union.
Diesel engine 320d
15 At the diesel engine it is necessary to observe surely the following sequence of filling of system cooling liquid:
c) Fill a broad tank with liquid to edges.
d) Close the remained unions on a heater hose, a radiator of system of a retsirkulyatsiya and, in the presence of the conditioner, on a hose of the heat exchanger of a heater.
16 Close a broad tank a stopper. It is not necessary to warm up the engine at an open stopper as it can lead to damages.
17 Start the engine and hold turns above 2500 rpm in tolchkoobrazny pressing a gas pedal. As a result of removal of air containing in cooling liquid level liquid in a tank slightly will go down.
18 Switch off ignition.
19 Check liquid level on the cold engine and if necessary add, address to the Section Check of levels of liquids.
20 Visually check tightness of system of cooling, in particular, shlangovy accessions, and also drain jams and unions of removal of air.