2.27.7. Belts of the gas-distributing mechanism and drive of auxiliary units

You carry out replacement of belts of the gas-distributing mechanism and drive of auxiliary units as follows:

1) uncover the engine;

Fig. 2.56. Weakening of a tension of a belt of the drive of auxiliary units

2) take off a belt (fig. 2.56) for what:

— release a belt of the drive of auxiliary units, having unscrewed the pulley screw clockwise;

— take off a belt of the drive of auxiliary units;

— release a natyazhitel of a belt (counterclockwise);

— take off a belt of the drive of auxiliary units;

3) turn out the screw of fastening of the top cover of a belt of the gas-distributing mechanism and remove it;

4) establish a lifting beam 999 5006 over the engine on the center and insert a lifting hook 999 5460 into a lifting eye, if necessary establish an additional arm 999 5383;

5) raise the engine by several millimeters;

Fig. 2.57. Fastening of a support of the engine

6) remove an engine support from the gas-distributing mechanism (fig. 2.57) for what:

— turn out the screw from a support on a body;

— turn off two nuts and turn out the screw from an engine support;

— remove a support together with a rubber element;

7) on cars with the conditioner disconnect a hose from an arm, to turn out two screws and remove an arm;

Fig. 2.58. Removal of the lower cover of a belt of the gas-distributing mechanism

8) remove the lower cover of a belt of the gas-distributing mechanism (fig. 2.58) for what:

— turn out a bolt (it is shown by an arrow);

— remove the conducted pulley;

— remove the lower cover of a belt of the gas-distributing mechanism;

9) remove the right forward wheel for what follows:

— put a support under the car;

— remove a wheel;

— release a cover a little;

Fig. 2.59. Removal of a pulley of a bent shaft

10) remove a pulley of a bent shaft (fig. 2.59) for what:

— turn out four bolts of fastening of a pulley;

— install the tool 999 5433 and to fix it by four bolts;

— turn off the central nut;

— lower the engine a little (if it is necessary);

— remove the tool;

Fig. 2.60. Combination of tags of the drive of the gas-distributing mechanism

11) install the gas-distributing mechanism and a bent shaft on tags for what it is necessary to turn a bent shaft clockwise, tags of the gas-distributing mechanism, on an internal cover of a belt of the gas-distributing mechanism, cogged pulley of a bent shaft and on the case of the oil pump (fig. 2.60) will not be combined yet;

Fig. 2.61. Removal of a belt of the drive of the gas-distributing mechanism

12) take off a belt of the gas-distributing mechanism (fig. 2.61) for what:

— establish tags (see previous point) the friend opposite to the friend;

— turn out the top bolt (it is specified by an arrow) from a natyazhitel;

— weaken the lower bolt (it is specified by an arrow);

— turn a natyazhitel so that the pulley rotated freely;

— turn out the lower bolt;

— remove a natyazhitel;

— take off a belt of the gas-distributing mechanism;

— clear and check all cogged pulleys;

Fig. 2.62. Check of a natyazhitel and tension rollers

13) check a natyazhitel and tension rollers (fig. 2.62) for what:

— rotating rollers, listen to existence of extraneous noises in bearings;

— be convinced that contact surfaces of rollers pure and smooth;

— also check whether jams the lever of a roller of a natyazhitel in his bearing; check fastening of a tension roller;

— weaken fastening of the lever and apply jellied lubricant 1161246-2 on the bearing and contact surfaces;

— moment of an inhaling of the lever of a roller of a natyazhitel of 40 N · m;

— moment of an inhaling of a tension roller of 25 N · m;

14) collect a natyazhitel for what:

— be convinced of lack of traces of leaks;

— remove a plastic lock ring from a piston rod;

Fig. 2.63. Compression of a natyazhitel in special adaptation and its fixing by means of a pin

— squeeze a natyazhitel by means of adaptation 999 5456 (fig. 2.63);

— install a natyazhitel in adaptation and tighten the central nut of adaptation; wait several minutes before completion of compression, and then insert a lock pin (diameter of 2 mm) into the piston (see fig. 2.63);

NOTE If leaks are observed or at compression there is no resistance, the natyazhitel needs replacement.

15) put on a new belt of the gas-distributing mechanism for what:

— establish a natyazhitel;

— install screws of a natyazhitel and tighten the moment 25 N · m;

— get a belt around a pulley of a bent shaft and the right tension roller;

— get a belt around both cogged pulleys of the gas-distributing mechanism;

— get a belt around a pulley of the pump of cooling liquid and pull it on a roller of a natyazhitel;

16) pull a belt for what:

— take out a lock pin from a natyazhitel;

Fig. 2.64. Tension of a belt of the gas-distributing mechanism

— with a force press in points of 1 and 2 (fig. 2.64);

Fig. 2.65. Installation of a plastic ring on a rod of the piston of a natyazhitel

17) put a new plastic ring on a rod of the piston of a natyazhitel (fig. 2.65).

Make sure that the plastic ring settled down correctly on the center;

NOTE The concave edge of a lock ring has to be turned up.

18) check a belt tension for what:

— wait about 5 minutes after adjustment of a tension of a belt of the gas-distributing mechanism;

Fig. 2.66. Check of a tension of a belt of the gas-distributing mechanism special indicator

— install the indicator 998 8500 on a gear belt between the cogged pulley of the final camshaft and a pulley of the pump of cooling liquid (fig. 2.66);

— consider value by means of a mirror, at the same time it is impossible to remove the indicator before completion of measurement. The normal tension of a belt has to be within 2,5 — 4,0 units.

If normal value is not received, then a natyazhitel it is necessary to replace;

19) turn a bent shaft on two turns and check coincidence of tags on a pulley of a bent shaft, on cogged pulleys of the gas-distributing mechanism and on a cover of a belt of the gas-distributing mechanism;

Fig. 2.67. Installation of a pulley of a bent shaft

20) establish a pulley of a bent shaft (fig. 2.67) for what:

— adjust the provision of a pulley by means of the special tool 999 5433;

— put the central nut and tighten the moment 180 N · m;

— remove the tool;

— tighten bolts of fastening of a pulley the moment of 25 N · m, and then tighten it on a corner of 30 degrees;

Fig. 2.68. Installation of covers of a belt of the drive of the gas-distributing mechanism

21) establish covers of a belt of the gas-distributing mechanism (fig. 2.68) for what:

— put the lower cover;

— deliver the conducted pulley, the moment of an inhaling of 25 N · to m.

— deliver the top cover (1 bolt), the moment of an inhaling of 10 N · to m;

Fig. 2.69. Installation of a belt of the drive of auxiliary units

22) put on a belt of the drive of auxiliary units (fig. 2.69) for what:

— clear pulley flutes;

— turn a natyazhitel;

— put on a belt of the drive of auxiliary units,

— release a natyazhitel (counterclockwise);

Fig. 2.70. Installation of a support of the engine

23) establish an engine support from the gas-distributing mechanism (fig. 2.70) for what:

— install a support on the engine and tighten nuts and bolts the moment of 67 N · m;

— insert the screw into a support on a body and slightly tighten it;

— remove a lifting beam 999 5006 from the engine;

— after that tighten a support bolt on a body the moment of 98 N · m;

— on cars with the conditioner it is necessary to mount an arm on a body and a hose on an arm;

— tighten bolts the moment of 10 N · m;

— start the engine and check its work;

Fig. 2.71. Inhaling of nuts of fastening of wheels

24) establish a wheel (fig. 2.71) for what:

— fix a cover;

— put a wheel and tighten nuts its fastening cross-wise the moment of 110 N · m;

— at an inhaling a pneumatic gaykovert use only a dynamometer nozzle 951 2661;

— tighten nuts of fastening of a wheel manually.

NOTE The inhaling of nuts on diagonal the necessary moment is important to avoid emergence of tension in a brake disk.