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3.8. A gas-distributing belt and asterisks - removal, check and installation

Attention! Do not try to rotate a bent shaft by means of the bolt located on an asterisk of a bent shaft do not rotate a bent shaft counterclockwise, and also do not rotate a bent shaft after you took off a gas-distributing belt.
1. Install the N1 piston in the top dead point.
2. Disconnect a wire from the minus plug of the accumulator.
3. Remove the air filter and hoses relating to it.
4. Put the car on the emergency brake and block  back  wheels.  By Poddomkratte  a forward part of the car, also fix it on the support established under axes.
5. Remove the left fastening of the engine. Attention! The engine has to lean on the rack established under the oil pallet.
SOHC engines Removal
6. Weaken bolts of a pulley of the water pump and take off driving belts.
7. Unscrew and remove a pulley of the water pump

7.8a Gas-distributing belt of the engine with a capacity of 1,5 l

1. Top cover
2 Lower cover
3 Laying
4 Damping pulley
5. Pulley of a bent shaft
6. Plug of a natyazhitel
7 Spring of a natyazhitel
8. Natyazhitel
9 Gas-distributing belt
10.   Camshaft asterisk
11. Asterisk of a bent shaft
12. Belt guide


8. Unscrew the bolts fixing the top cover of a gas-distributing belt (7.8a, 7.8b, 7.8v, 7.8g, 7.8d) and uncover. Unscrew the bolts fixing the lower cover and remove it.

7.8d Shooters point to an arrangement of bolts of the lower cover of a gas-distributing belt (2,0 l)


7.8b Gas-distributing belt of the engine with a capacity of 1,8 l, 2,0 l, 2,4 l
1. Bolt
2. Pulley of a bent shaft
3. Flange bolt
4. Flange bolt
5. Top forward cover
6. Laying
7. An opening cover for access
8. Laying
9. Laying
10. Gas-distributing ре­мень
11. Flange bolt
12. Washer
13. Nut
14. Plug
15. Spring of a natyazhitel
16. Natyazhitel
17. Plug
18. Bolt
19.  Asterisk  of a raspredelitelyyony shaft
20. Nut
21. Asterisk of the oil pump
22. Bolt of an asterisk of a bent shaft
23. Washer
24. Asterisk of a bent shaft
25. Spring pin
26. Flange
27. Bolt
28. Back part of a natyazhitel
29. Belt of the Silent shaft
30. Flange bolt
31. Washer
32. Asterisk of a silent shaft
33. Plug
34. Back asterisk of a bent shaft
35. Spline



7.8v the Top cover of a gas-distributing belt is fixed by three bolts (are specified by shooters) (2,0 l)



7.8g Shooters point to an arrangement of bolts of the lower cover of a gas-distributing belt (1,5 l)



7.9 If you are going to reuse a gas-distributing belt, draw on it to the shooter, specifying the direction of rotation (clockwise)


9. If you are going to reuse a gas-distributing belt, draw on it to the shooter specifying the direction of rotation (clockwise) (7.9).

7.10a Weaken a bolt of a natyazhitel (it is specified by an arrow) and shift a natyazhitel towards the water pump (1,5 l)


7.10v the Arrangement of the synchronizing tags on 16 valvate SOHC engines. The automatic natyazhitel is fixed by two bolts, the plunger of a natyazhitel presses on the lever of a natyazhitel, and the Tat in turn presses a pulley of a natyazhitel to a belt

1. The synchronizing tags of an asterisk of the camshaft 2. The synchronizing tags of an asterisk of the oil pump
3. Asterisk of a bent shaft
4. The synchronizing tags of an asterisk of a bent shaft
5. Automatic natyazhitel


7.10b Bolte of a natyazhitel (it is specified by an arrow) (2,0 l)


10. In 8 cylinder engines weaken an adjusting bolt and shift a natyazhitel of a gas-distributing belt against the stop towards the water pump (7.10a, 7.10b, 7.10v). Temporarily enshrine a natyazhitel in such provision, having tightened a bolt. In 16 valvate engines, unscrew and remove a natyazhitel, weaken a bolt of the lever of a natyazhitel so that the lever freely hung (7.10v).

7.11 Unscrew the central bolt of a pulley of a bent shaft (1,5 l)


11. Unscrew a big central bolt from a pulley of a bent shaft (7.11).

Attention! On some models the pulley is fixed by four bolts.


7.12 Insert the screw-driver between flywheel teeth to prevent rotation of a bent shaft.


12. If you cannot unscrew a bolt because at you the key slides off, stop a bent shaft, having inserted the screw-driver between teeth of a flywheel (7.12). To make it, you should uncover a flywheel at first.
13. Make sure that bolts of a natyazhitel are weakened, and take off a gas-distributing belt.

7.14 In order that the asterisk did not rotate while you unscrew a bolt, stop it, having inserted the screw-driver into one of openings. The tip of the screw-driver has to rest against laying (it is specified by an arrow) not to damage a head of cylinders (1,5 l)


14. If you want to remove the camshaft, unscrew a bolt of an asterisk of the camshaft and remove an asterisk. In order that the asterisk did not rotate while you unscrew a bolt, stop it, having inserted the screw-driver into one of openings (7.14). Remove also an asterisk of the oil pump and check a pump epiploon for existence of damages or leak.

7.15a Unscrew bolts of a pulley of a bent shaft (are specified by shooters) (2,0 l)


7.15b Removing the directing flange of a gas-distributing belt remember its correct arrangement (1,5 l)


15. If you want to replace a forward epiploon of a bent shaft, unscrew four bolts of a pulley of a bent shaft and remove a pulley (7.15a). Remove an asterisk of a bent shaft and the directing flange of a gas-distributing  belt  (7.15b)  located behind an asterisk  (remember  the correct  arrangement of a flange).

7.16 Use the screw-driver to stop a silent shaft

1. Screw-driver (8 mm)
2. Silent shaft
3. Block of cylinders


16. In the 1,8 l, 2,0 l, 2,4 l engines get a cap on the left side of the block of cylinders and insert the screw-driver to stop a silent shaft (7.16).
17.  Weaken the bolt fixing an asterisk of a silent shaft.
18. Weaken a natyazhitel and take off a belt of a silent shaft (7.8v)
Check

7.19 Rotate a pulley of a natyazhitel a hand and move it here and there whether to check jams a pulley and whether there is no excessively free wheeling (1,5 l).


19. Rotate a pulley of a natyazhitel a hand and move it here and there whether to check jams a pulley and whether there is no excessively free wheeling (7.19).  Examine  asterisks  on  existence  of wear tracks or damages. If necessary replace the damaged details.

7.20 Carefully examine a gas-distributing belt on existence of damages

1. Rubber acts
2. Peeling
3. There is no tooth, and fibers act
4. Wear on the working party
5. Strong wear
6. The rounded-off party of a belt


20.   Examine  a gas-distributing  belt (7.20) on existence of cracks, wear, stratification, the absent teeth and pollution by oil. Replace a belt if you doubt its suitability.
Installation
21. Establish on places of an asterisk of a gas-distributing belt if you removed them. Before putting on an asterisk of a bent shaft, put on the directing flange (7.8b, 7.8v, 7.8g).

7.22a Combine a pin on an asterisk of a bent shaft with a tag on the oil pump (are specified by shooters) (1,5 l).


22. Combine the synchronizing tags on asterisks of the camshaft, a bent shaft and the oil pump with tags on a head of cylinders and on the block of cylinders (7.22a, 7.22b, 7.22v, 7.10v).



7.22v Synchronizing tags on asterisks of cranked and distributive shaft (1,5 l).

1  Synchronizing tag (camshaft asterisk)
2. Synchronizing tag (head of cylinders)
3. The tense party of a belt
4. Synchronizing tag (block of cylinders)
5. Synchronizing tag (asterisk of a bent shaft)
6. Asterisk of a bent shaft 7 Blok of cylinders
8. Spring of a natyazhitel
9. Natyazhitel of a belt
10. The weakened party of a belt
11. Camshaft asterisk
12. Pin


7.22b Combine a triangular tag on a camshaft asterisk with a tag on a head of cylinders (are specified by shooters) (1,5 l).


7.22g Synchronizing tags on asterisks of cranked and distributive shaft (the engine volume 1,6l).
1. Camshaft asterisk
2. A synchronizing tag on a cover    of a gas-distributing belt
3. Synchronizing tag
4. The tense party of a belt
5. Spring of a natyazhitel
6. Asterisk of the oil pump
7. Asterisk of a bent shaft
8. Synchronizing tag
9. A synchronizing tag on the block of cylinders
10. Natyazhitel of a belt
11. The weakened party of a belt



7.22d Synchronizing tags on asterisks of cranked and distributive shaft (the 1,8 l, 2,0 l, 2,4 l engine).
1. A synchronizing tag (an opening in an asterisk)
2. A synchronizing tag (on a head of cylinders)
3. Synchronizing tags (on the block of cylinders) 4 Synchronizing tag (a cut in a flange)
5. A synchronizing tag (a cut in an asterisk)



7.23 Before establishing a back belt, combine synchronizing tags (the 1,8 l, 2,0 l, 2,4 l engines)
1. A synchronizing tag (on an asterisk)
2. A synchronizing tag (a cut in the block of cylinders)
3. A synchronizing tag (on the block of cylinders)
4. A synchronizing tag [a cut in an asterisk)


23. Install a back belt in the 1,8 l, 2,0 l, 2,4 l engines. Combine synchronizing tags on everyone their asterisks with tags on the block of cylinders (7.23)

7.24 Installation of a gas-distributing belt.
1. The tense party of a belt
2. Back belt
3. Central belt
4. Center of a pulley of a natyazhitel
5. Natyazhitel of a back belt


24. After you established a back belt, be convinced that the tense party of a belt does not sag (7.24).
25. Check that the center of an asterisk of a natyazhitel of a back belt was located on the left side from an adjusting bolt (7.24).

7.25a Turn a natyazhitel clockwise and up to pull a belt


7.25b Press the middle of a belt to check its deviation
1. Synchronizing tags
2. Synchronizing tags


Raise a natyazhitel a finger so that to pull a belt (7.25a, 7.25b) and tighten a bolt of a natyazhitel and a bolt of a silent shaft till the moments of an inhaling specified in technical characteristics. The deviation of a belt has to be in range of 5,0-7,0 mm.

7.26 Installation of a gas-distributing belt (1,5l)


26.  Put on a gas-distributing belt an asterisk of a bent shaft. Having pulled a back part of a belt, put on it an asterisk of the camshaft (7.26).
27. In 8 valvate engines weaken a lock bolt of a natyazhitel to pull a belt. Tighten a bolt.
28. Establish a pulley of a bent shaft, having accurately combined an adjusting pin with a small opening in a pulley. Insert pulley bolts (fixing bolts and the central bolt) and tighten them till the necessary moments of an inhaling.

7.29 Combination of synchronizing tags of an asterisk of the camshaft


29. Turn a bent shaft on two whole revolutions. Check combination of synchronizing tags (7.29). If tags are not combined, weaken a natyazhitel, take off a belt from a camshaft asterisk, combine tags, establish a belt into place and again check tags.

7.30a the Belt is tense correctly if when pressing it deviates on one fourth width of a head of an adjusting bolt (the 1,5 l engines)
1. Bolt of a natyazhitel
2. One fourth width of a head of a bolt


7.30b Press a belt to a cover and measure distance between a belt and the line C


30. In the 1,5 liters engines, check a belt tension, having pressured  him. The belt has to deviate no more than on one fourth width of a head of an adjusting bolt (7.30a). If the belt is tense too strongly or poorly, weaken bolts of a natyazhitel and adjust a belt tension. In the 1,8 l, 2,0 l engines (the 8th valvate), 2,4 l and 1,6 l press a belt to a cover (7.30b) and measure distance between a belt and the line C. The distance has to make approximately 14 mm for the 1,8 l, 2,0 l engines (the 8th valvate), 2,4 l. In engines of 1,6 l of distance there have to be 6 mm.
31. Tighten bolts of a natyazhitel till the necessary moment of an inhaling.

7.32 Insert bolts into a cover of a gas-distributing belt (the 1,5 l engines)
Diameter of a carving x Length (mm) 1.6x18 2.6x38 3 6x18



32.   Establish      the remained  details on places. Consider that bolts of a cover of a gas-distributing belt of different length (7.32).
33. Start the engine and carry out a road inspection of the car.
DOHC engines
Attention! Mitsubishi DOHC 4G32 and 4G61 engines are identical except that in the engine installed in the car Colt, Lancer, Mirage (4G61 - 1989-1990) there is no silent shaft.
Removal
34. Perform the operations described in points 1 - 5.
35. Remove a clip of a hose of the hydraulic booster of steering and a clip of a hose of the air conditioner.
36. Take off driving belts and an arm of a pulley of a natyazhitel.
37 Remove a pulley of the water pump.
38. Remove a pulley of a bent shaft. Unscrew bolts from a pulley of a bent shaft (7.11) If you cannot unscrew a bolt for the reason that at you the key slides off, stop a bent shaft, having inserted the screw-driver between teeth of a flywheel (7.12).
39. Unscrew fixing bolts of the top and lower covers of a gas-distributing belt and uncover.
40. Uncover valves.

7.41 Gas-distributing belts and asterisks of DOHC engines (the engine 4G32 is shown)
1. Automatic natyazhitel
2. Asterisk of a bent shaft
3. Intermediate pulley
4 Asterisk of the oil pump
5. Flange
6. Natyazhitel is back
7. The belt is back
8. Asterisk of a bent shaft back
9. Pulley of a natyazhitel
10. Lever of a natyazhitel
11.    Camshaft asterisk
12.  Gas-distributing belt
13. Asterisk of a silent shaft
14. Plug
15. Back right cover of a gas-distributing belt
16. Back left (lower) cover of a belt
17. Back left (top) cover of a belt
18. Engine support arm


41. Remove an automatic natyazhitel (7.41).
42. If you are going to reuse a belt, make on it the tag specifying the direction of rotation (7.9). Take off a gas-distributing belt, the lever of a natyazhitel and a pulley (7.41).
43. Unscrew bolts and remove asterisks of camshafts.
44 Get a stopper in a side part of the block of cylinders and block a shaft, having inserted the screw-driver into an opening. Unscrew a nut of an asterisk of the oil pump and remove an asterisk.

7.45 Synchronizing tags of a back belt of the DOHC engine

1. Asterisk of a silent shaft
2. The tense party
3. Synchronizing tag
4. Back asterisk of a bent shaft
5. Synchronizing tag


45. In the engine 4G32 DOHC take off a back belt. Before taking off a belt be convinced that synchronizing tags are combined correctly (7.45).
Check
46. Rotate a pulley of a natyazhitel a hand and move it here and there whether to check jams a pulley and whether there is no excessively free wheeling. Examine asterisks on existence of wear and damages. If necessary make replacement.
47.   Examine  a gas-distributing  belt (7.20) on existence of cracks, stratifications, wear, the absent teeth and pollution by oil. If necessary replace belts.
48. Examine a natyazhitel on existence of leaks and obvious damages. Examine a rod on existence of wear and damages. Measure a rod ledge, he has to act on 12 mm from the case of a natyazhitel.
49. Clamp a natyazhitel in a vice. Check a condition of a rod. If necessary replace a natyazhitel.
Installation
50. Establish asterisks on places if you removed them. Tighten bolts till the necessary moments of an inhaling.
Attention!

7.50 The cut-off edge of the plug has to be directed in inside
1. Oil
2. Right silent shaft
3. Epiploon
4. Plug
5. The cut-off edge

Make sure that you correctly installed the plug on an asterisk of a bent shaft (7.50).

7.51 Make sure that synchronizing tags are combined correctly.
1 Asterisk  of the camshaft of final valves
2 Openings for adjusting pins
3 Asterisk of the camshaft of inlet valves
4. The processed surface of a head of cylinders
5. Synchronizing tags
6. Asterisk of the oil pump
7. Asterisk of a bent shaft


51. Combine the synchronizing tags located on asterisks of the camshaft, a bent shaft and the oil pump (7.51).
52. Install a gas-distributing belt in engines 4G32 DOHC. Establish and adjust a back belt, the deviation of a belt has to be in limits of 5,0-7,0 mm.
53. Prepare for installation an automatic natyazhitel. If the rod of a natyazhitel completely acts, clamp a natyazhitel in a vice and slowly press a rod inside. Press a rod until the opening in it is not combined with an opening in the case of a natyazhitel. Insert a wire piece into openings to block a rod in such situation.
54. Insert an automatic natyazhitel into place.
55. Install a pulley of a natyazhitel on the lever. Tighten fingers  the central bolt, two small openings in the coupling of a pulley have to be located on the left side from the central bolt.
56. Turn two asterisks of a bent shaft so that adjusting pins were located on top (7.51). Combine synchronizing tags with the top surface of a head of cylinders.
57. Combine synchronizing tags of asterisks of a bent shaft and the oil pump with the tags corresponding to them on the block of cylinders (7.51).
58. Get a cap in a side part of the block of cylinders and insert the long screw-driver (7.16) into an opening. If the screw-driver does not come more deeply, than 62 mm, it mean that tags are combined correctly. If the screw-driver does not enter more deeply than 25 mm, then it is necessary to adjust an asterisk of the oil pump.
59. Installation of a gas-distributing belt:
and. Pass a belt through a pulley of a natyazhitel and put on an asterisk of a bent shaft.
. Put on a belt an asterisk of the oil pump.
century. Put on a belt an intermediate pulley
. Put on a belt an asterisk of the camshaft of inlet valves.
. Turn an asterisk of the camshaft of final valves on one tooth to combine a synchronizing tag of an asterisk with a tag on the top surface of a head of cylinders (7.51). Put on a belt an asterisk of the camshaft of final valves.
e. Carefully raise a pulley of a natyazhitel and temporarily tighten the central bolt.

60. Adjust a tension of a gas-distributing belt:
and. Turn a bent shaft on one fourth turns counterclockwise, and then clockwise to install the N1 piston in the top dead point.

7.60 Use the special tool to make necessary effort for a natyazhitel


. Weaken the central bolt of a natyazhitel and connect the special NMD998752 (7.60) tool to a dynamometer key.
century. Tighten the central bolt till the necessary moment of an inhaling.
Twist the special NMD998738 tool in the left arm of the engine so far the tip of the tool will not concern the lever of a natyazhitel. Continue to twist the tool until pressure upon automatic the natyazhitel does not weaken. Get a delay which was inserted in a natyazhitel. As an alternative you can press on a pulley of a natyazhitel so that to squeeze a rod of a natyazhitel, and then to get a delay.
. Unscrew the special tool.
e. Turn a bent shaft on two whole revolutions and wait 15 minutes. Measure at what length the rod of a natyazhitel acts. Necessary size is 3,8-4,5 mm.
61. If length of the acting part of a rod does not get to the required range, carry out repeated adjustment of a belt.
62. Establish belt covers.
63. Establish the remained details on places.