BMW 3 series E46

Since 1998 of release

Repair and car operation



The BMW of 3 series Е46
+ Cars BMW 3 (Е46)
+ Current leaving and service
- The engine
   - Procedures of repair of the engine
      Removal and installation of the bottom cover of an impellent compartment
      Removal and installation of a box of an air inlet
      Compression check
      Removal and installation of the inlet pipeline
      Removal and installation of a head of cylinders / replacement of a sealing lining
      Removal and installation of camshafts
      Removal and installation of the vacuum pump
      Removal, installation and tension клинового a belt
   + System of greasing of the engine
+ Systems of cooling, heating
+ Power supply systems, injection and release
+ Engine electric equipment
+ РКПП and трансмиссионная a line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electric equipment schemes


canadian drug companies shop cards


Removal and installation of a head of cylinders / replacement of a sealing lining

The head of cylinders can be removed only at the cooled engine. For protection against damages of a paint and varnish covering establish on body wings protective linings or corresponding covers.

Depending on type of the engine, year of release of the car and the equipment electric wires, vacuum hoses of a cooling liquid can have a various lining in an impellent compartment. As it is not obviously possible to consider all variants of a design, it is recommended to mark a tape a corresponding wire before its detachment.

Signs of a defective sealing lining of a head of cylinders is the following:

- Loss of capacity of the engine.
- Loss of a cooling liquid. White clouds of a smoke in the fulfilled gases at the warm engine.
- Oil loss.
- Presence of a cooling liquid in impellent oil, oil level does not decrease, and increases. Grey colour of impellent oil. Foam vials on the level index. Razzhizhenie oils.
- Presence of impellent oil in a cooling liquid.
- Strong foaming of a cooling liquid.
- Bad compression in two next cylinders.

Model 316i, 318i (engine M43TU)


 REMOVAL

1 Merge cooling liquid, including from the block of cylinders, address to Section Replacement of a cooling liquid.
2 Remove the thermostat, address to Section Removal and thermostat installation.
3 Remove the inlet pipeline, address to Section Removal and installation of the inlet pipeline.
4 Remove spark plugs, address to Spark plug Section.
5 Remove ignition coils, address to Section Removal and installation of coils ignition ignitions/cables.
6 Turn away bolts of fastening and remove a reception pipe of system of release, address to Section Removal and installation of system of release.
7 Turn away bolts of fastening and uncover heads of cylinders. Thus at first ослабьте in regular intervals cross-wise bolts, then turn out them.

8 Turn away bolts of fastening and remove the holder of the device of giving of air and the electromagnetic valve with the pressure accumulator (arrows on an illustration).

9 Turn away bolts of fastening and remove the gauge of position of a camshaft and take out it together with a sealing ring.

10 Turn away bolts of fastening and remove the top cover of a box of drive ГРМ. Remove a rubber lining under the bottom cover.

11 Cut from within outside and remove a sealing lining of a head of cylinders at the top edge of the bottom cover (an arrow on an illustration). It is necessary to replace linings. As the spare part it is possible to use a lining for the top cover of a box of drive ГРМ.

12 Turn a cranked shaft for the central bolt of fastening in the right party so that the piston of the first cylinder was in ВМТ. Thus the arrow on an asterisk shows upwards. To turn a cranked shaft it is possible for one of next ways:

— Tighten a lay brake and establish a check point in neutral position. Turn a cranked shaft for the central bolt of fastening of a pulley by means of a face key in an hour hand direction.
— Lift and put on supports a lateral back part of the car. Include the fifth transfer and release a lay brake. Turn the lifted back wheel. Thus, the cranked shaft is turned. For this operation the assistant is required.
— Put the car on an equal platform. Include the fifth transfer. Shift the car forward or back.

13 Fix camshafts the tool BMW-11 shown on an illustration 3 190 in this position. It is possible to use also firm KLANN tool, KL-0580-5.

14 Fix a cranked shaft in position ВМТ by tool BMW-11 2 300 or a corresponding core. For this purpose insert a core through an aperture in the block of cylinders into an aperture in a flywheel (an arrow on an illustration), preliminary having taken out a stopper.

15 Turn away bolts of fastening of an asterisk of a camshaft. Slowly shift back a boot натяжителя for шестигранник by means of a wrench and thus unload a chain. Remove an asterisk.

16 Turn away bolts of fastening and remove from a head of cylinders успокоитель and a tension boot (arrows on an illustration).

Before отворачиванием bolts of fastening of a head of cylinders turn a cranked shaft back on a corner 45 . Thus, the contact of valves of pistons is excluded. After installation of a head of cylinders again turn a cranked shaft in position ВМТ of the first cylinder.

17 Oslabte for some receptions bolts of fastening of a head of cylinders outside inside. For отворачивания bolts special key Torx, for example, HAZET-2925 is required.
18 By means of the assistant remove a head from the block of cylinders.

If it is necessary, cautiously hook a head of cylinders a screw-driver, watching to damaging a sealing surface.


 INSTALLATION

19 Clear шабером a sealing surface of the block of cylinders of the rests of a sealing lining. Watch that the dirt has not got to apertures of the block of cylinders. Close an aperture rags.
20 Clear a sealing surface of a head of cylinders.

21 Check up planeness of a head and the block of cylinders a steel ruler in a longitudinal and cross-section direction. If necessary process (work HUNDRED). The maximum deviation from planeness of 0.03 mm. The demanded height of a head of cylinders is resulted in Specifications.

22 Carefully clear carving apertures under bolts of fastening of a head of cylinders of oil and other pollution.

In carving apertures there should not be an oil, otherwise bolts do not transfer a total pressure to a head of cylinders though they and are tightened by the established moment. Besides, the block of cylinders thus can burst.

23 Check up, whether there are two directing plugs (arrows on an illustration). If is not present, insert them and check up reliability of landing.

24 Put on a fat-free surface of the block of cylinders a new sealing lining without hermetic so that apertures remained opened.

25 Establish a head of cylinders by means of the assistant. Thus wring out back a wrench for шестигранник a boot натяжителя (an arrow on an illustration).

26 Grease with impellent oil new bolts of fastening of a head of cylinders. Then screw bolts and in regular intervals tighten on a spiral from within outside to прилегания.

Necessarily establish new bolts. Bolts for some receptions are tightened. To an inhaling it should be applied тарированный динамометрический a key.


27 Tighten bolts of fastening of a head of cylinders in sequence with 1 on 10 in three steps. The inhaling moments are resulted in Specifications.

The inhaling of bolts of fastening of a head of cylinders should be spent with special carefulness. Before an inhaling it is necessary to check up accuracy динамометрического a key. Besides, for an inhaling of bolts the angular washer, for example, HAZET 6690 is required. If such washer available is not present, put a key, put to the lever of a key a goniometer and note a chalk a corner 90 . Then turn a key at one time to the put mark.

28 Fix on a head of cylinders успокоитель and a boot of a tension of a chain of drive ГРМ.
29 Turn a cranked shaft in position ВМТ of the first cylinder and insert a core.
30 Wring out for шестигранник back a boot натяжителя and put on an asterisk with a chain. The arrow on an asterisk should specify upwards. Expose oval apertures on the centre.
31 Camshaft should be fixed in ВМТ. In this position fix an asterisk four bolts the moment 10 Н•м.

Remove fixing tools of cranked and distributive shaft.

33 Clear sealing surfaces under the top cover of a box of drive ГРМ.
34 Check up presence of damages of a sealing lining between the top and bottom covers of box ГРМ, if necessary replace. Put a lining. Thus the eminence on a lining should enter into a groove on a head of cylinders.
35 Replace a paper lining of a cover of box ГРМ.

36 Grease with a thin layer консистентной greasings the top party of a rubber lining and tool BMW-11 2 330. The tool is put on a sealing lining before installation of a cover of box ГРМ. Besides, for a direction two fingers BMW-11 are rolled in the top carving apertures 4 110. Instead of the specified tools the thin steel sheet and two carving fingers can be applied.

37 Establish a cover of box ГРМ, insert and screw fastening bolts so that the bolt head adjoined. Take out tool BMW-11 2 330.

38 Establish without a lining a cover of a head of cylinders. Screw screws M6 with the big washers (arrows on an illustration). Thus the cover of box ГРМ should nestle downwards so that the top edges of a cover of a box and a head of cylinders lay at one level. In this position tighten bolts of fastening of a cover of box ГРМ the moment 15 Н•м. Remove directing fingers and screw on their place the remained bolts, tighten them also the moment 15 Н•м.

39 Again uncover heads of cylinders.

40 Grease with elastic hermetic, for example, “Drei Bond 1209” or “Loctit Ultra Black” interfaced surfaces of a cover of box ГРМ and heads of cylinders (an arrow on an illustration).

With 41 Same hermetic grease transitions to a semicircle of a sealing lining (the marksman on an illustration).

42 Fix cross-wise a cover of a head of cylinders with a lining the moment 10 Н•м. Watch that the lining did not act.

The cover of a head of cylinders демпфируется also is condensed with rubber linings of bolts of fastening. Therefore do not turn rubber linings.

43 Insert and fix the gauge of position of camshafts with a sealing ring.
44 Zakrepimte bolts a reception pipe of system of release, address to Section Removal and installation of system of release.
45 Establish the inlet pipeline, address to Section Removal and installation of the inlet pipeline.
46 Establish ignition coils, address to Section Removal and installation of coils ignition ignitions/cables.
47 Establish spark plugs, address to Spark plug Section.

48 Fix the holder of giving of air and the electromagnetic valve with the pressure accumulator.

49 Establish the thermostat, address to Section Removal and thermostat installation.
50 Fill system with a cooling liquid and remove from it air, address to Section Replacement of a cooling liquid.
51 Check up oil level in the engine. If necessary add oil to a mark the MOVE.

If the head of cylinders acted in film owing to a defective lining, replace oil as in impellent oil there can be a cooling liquid. Replace oil, address to Section Replacement of impellent oil and the oil filter.


Models 320i, 323i, 328i (engine M52TU)

 REMOVAL

As removal of a head of cylinders represents labour-consuming enough operation and demands special tool BMW, it is recommended to carry out this work on HUNDRED.

52 Remove the inlet pipeline, address to Section Removal and installation of the inlet pipeline.
53 Remove camshafts, address to Section Removal and installation of camshafts.
54 Remove both inlet pipelines from a head of cylinders.

For this purpose the engine should be suspended on the crane and one support of the engine is released, address to Section Removal and pallet installation картера.

55 Again tighten nuts М10 of fastening of a support of the engine the moment 47 Н•м and clean the crane. If nuts М8 are established, they should be tightened the moment 22 Н•м.
56 Merge a cooling liquid and disconnect the thermostat case, address to Section Removal and thermostat installation.
57 Turn away two bolts of fastening and remove from a head of cylinders a branch pipe of a cooling liquid under the inlet pipeline.

58 Turn out screws of a cover of box ГРМ (arrows on an illustration). Instructions: Camshafts on it and following illustrations are shown established, but actually should be removed.

59 Turn away bolts of fastening and take out успокоитель приводной chains ГРМ (arrows on an illustration).

60 Oslabte for some receptions bolts of fastening of a head of cylinders outside inside. For performance of this operation the key for screws Torx, for example, HAZET 2925 is required.

After removal of a head of cylinders do not put it on a sealing surface. Completely open valves thus can be damaged. Put a head on two wooden бруска.


 INSTALLATION

61 Remove the rests of a sealing lining solvent for hermetic and шабером from firm breeds of a tree. Watch that the hermetic rests have not got to apertures. Close apertures rags.
62 Carefully clear carving apertures for bolts of fastening of a head of cylinders of oil and other pollution by the compressed air or a rag wound round a narrow screw-driver.

Do not suppose oil hit in carving apertures as it deforms the moment of an inhaling of bolts. Besides, it can lead to formation of cracks in the block of cylinders.

63 Check up directing plugs (arrows on an illustration) on presence of damages and reliability of landing. They serve for a centering of a head of cylinders.

64 Check up planeness of a head and the block of cylinders a steel ruler in a longitudinal and cross-section direction. If necessary process (work HUNDRED). The maximum deviation from planeness of 0.03 mm. The demanded height of a head of cylinders is resulted in Specifications.

If the head of cylinders was processed, depending on the height received as a result of processing, can be demanded to increase a thickness of a sealing lining by 0.3 mm. Thereby, reduction of height of the chamber of combustion is compensated.

65 Grease transitions to a cover of a box of drive ГРМ with elastic hermetic, for example, “Drei Bond 1209” or “Loctitе Ultra Black”.
66 Replace a sealing lining of a head of cylinders. Put a new lining without hermetic so that not to block any aperture.
67 Establish into place by means of the assistant a head of cylinders. Do not recolour it, the new sealing lining otherwise can be damaged.
68 Grease with impellent oil new bolts of fastening of a head of cylinders. Then tighten fastening bolts on a spiral in regular intervals from within outside to прилегания.

Apply necessarily new bolts of fastening. Bolts should fasten in three steps. It is necessary to apply to this operation динамометрический a key.

69 Tighten fastening bolts in sequence with 1 on 14 in stages the efforts presented in Specifications.

The inhaling should be spent bolts of fastening of a head of cylinders with special carefulness. Before an inhaling it is necessary to check up accuracy динамометрического a key. Besides, for an inhaling of bolts the angular washer, for example, HAZET 6690 is required. If such washer available is not present, put a key, put to the lever of a key a goniometer and note a chalk a corner 90 . Then turn a key at one time to the put mark.


70 Fix bolts успокоитель chains.

71 Tighten bolts of fastening of a cover of a box of drive ГРМ.

72 Fix on a head of cylinders two bolts a branch pipe of a cooling liquid, having established new sealing rings
73 Establish on a head of cylinders both final collectors, address to Section Removal and installation of a final collector.
74 Establish camshafts, address to Section Removal and installation of camshafts.
75 Establish the inlet pipeline, address to Section Removal and installation of the inlet pipeline.
76 Establish the thermostat case, address to Section Removal and thermostat installation.
77 Fill system with a cooling liquid, remove air, address to Section Replacement of a cooling liquid.
78 Check up in the engine oil level, if necessary add oil to a mark the MOVE.

If the head of cylinders acted in film owing to a defective sealing lining, replace oil as in impellent oil there can be a cooling liquid. Oil replacement address to Section Replacement of impellent oil and the oil filter.


Model 320d (engine M47)

 REMOVAL

Operations and the instructions operating concerning all engines, are resulted in Section for engines 316i, 318i. In the present Section the differences concerning the engine 320d are resulted only.

Signs of a defective sealing lining of a head of cylinders are resulted in Section Removal and installation of the inlet pipeline.

As removal of a head of cylinders represents labour-consuming enough operation and demands special tool BMW, it is recommended to execute it in conditions HUNDRED.

79 Remove the inlet pipeline, address to Section Removal and installation of the inlet pipeline.
80 Remove filtering element of the air filter, address to Section Replacement of a filtering element of the air filter.
81 Remove fuel pipelines and atomizers, address to Section Removal and installation of atomizers.

82 Turn away bolts-1 and remove soaking up branch pipe.

83 Rasstykujte a socket of a measuring instrument of weight of air, having pressed a wire clamp at the tip.
84 Turn away bolts of fastening of a cover of a head of cylinders cross-wise in return sequence, that is with 22 on 1.
85 Merge a cooling liquid, including the block of cylinders, address to Section Replacement of a cooling liquid.
86 Disconnect hoses of a cooling liquid at the thermostat case for what a screw-driver raise wire clamps, address to Section Connection and separation quick disconnect муфты.

87 Turn away bolts of fastening and remove турбокомпрессор from a reception pipe (an arrow on an illustration).

88 Remove a system radiator рециркуляции the fulfilled gases-1 together with the thermostat-2. For this purpose release collars of both hoses of a cooling liquid under a system radiator рециркуляции and remove hoses. Turn away bolts-3 fastenings of the holder from both parties of a radiator.

89 Turn away bolts of fastening and remove a branch pipe of a cooling liquid under the case of the thermostat at a head of cylinders. Disconnect a branch pipe at the holder of a head of cylinders.
90 Remove both camshafts, address to Section Removal and installation of camshafts.

91 Turn out fingers успокоителя and a tension boot in the places noted by arrows.

The left finger on an accompanying illustration is closed by the vacuum pump.

92 Take out a boot натяжителя upwards.

93 Turn away bolts of fastening of a box приводных chains (an arrow on an illustration). Turn out also invisible bolts on an illustration in points-1 and-2.

94 Oslabte bolts of fastening of a head of cylinders in return sequence with 10 on 1, having turned away them on 1/2 turns. Then in the same sequence turn out. And – the admission party; In – the release party.

95 Remove a head of cylinders by means of the assistant.

After removal do not put a head of cylinders on condensing surface, candles накаливания can be thus damaged. Put a head of cylinders on two wooden бруска.


 INSTALLATION

The sealing surface of a head of cylinders of the diesel engine is not processed

96 Lay a new lining without hermetic so that not to block any aperture. The lining depending on a thickness has marks by various number of apertures (the marksman on an illustration) the New lining should have the same number of apertures, as were earlier.


Box joints приводных chains with a head of cylinders are not condensed with hermetic. On a lining in these parts there are additional sealing strips (arrows on an illustration).

97 Bolts of fastening of a head of cylinders are tightened for 5 receptions. For each reception the inhaling is conducted in sequence with 1 on 10 bolt. And – the admission party, In – the release party. Efforts of a tightening are resulted in Specifications.

98 Tighten bolts of fastening of a box приводных chains the moment 15 Н•м.
99 Screw 2 new pins of a boot of a tension and успокоителя chains. Pins are replaced, as their surface has a covering for self-latching.
100 Fix an asterisk with the chain put on it on distributive to a shaft. Bolts yet do not tighten.

The adjoining surface should be pure and degreased.

101 Take out from натяжителя chains a core so that the chain has stretched. Screw in an aperture in a head of cylinders заглушку for a core.
102 Establish camshafts, address to Section Removal and installation of camshafts.
103 Fix a branch pipe of a cooling liquid with a new lining under the case of the thermostat at a head of cylinders.
104 Fix bolts a system radiator рециркуляции with new linings. Put on hoses of a cooling liquid and fix their collars.
105 Put on hoses of a cooling liquid the case of the thermostat and fix them, address to Section Removal and thermostat installation.
106 Fix турбокомпрессор with new consolidation by new self-stopped nuts on a final collector. Preliminary cover bolts with high-temperature paste. Tighten nuts the moment 45 Н•м.
107 Establish necessarily new sealing lining of a cover of a head of cylinders
108 Corners of a sealing surface of a cover of a head of cylinders between a head of cylinders and the vacuum pump condense with platens from hermetic “Drei Bond 1209” or “Loctite Ultra Black” in height and in the width 2 mm.

109 Wrap bolts of fastening of a cover of a head of cylinders cross-wise by hand in sequence from 22 on 1. Then tighten them in the same sequence the moment 15 Н•м.

110 Join a socket of a measuring instrument of weight of air, the tip should be fixed.

111 Fix an inlet branch pipe two bolts.

112 Establish atomizers and fuel pipelines, address to Section Removal and installation of atomizers.
113 Establish the inlet pipeline, address to Section Removal and installation of the inlet pipeline.
114 Establish filtering element of the air filter, address to Section Removal and installation of the air filter of the engine.