Citroën Xantia

1. Disconnect a negative wire from the battery.
2. A car front also establish to Poddomkratta it on props. Remove the right forward wheel.
3. Release clamps, turn out fixing screws and remove a loker.
4. Take off a belt of the drive of auxiliary units (address the Head Routine maintenance). Also to an otboltita also remove a natyazhitel of an auxiliary belt.
5. Otboltite also remove the top cover of a gas-distributing belt (see Removal and installation of covers of a gas-distributing belt).
6. Achieve combination of openings for blocking of cranked and distributive shaft and pass throughout them metal cores of the corresponding diameter (see Fixing cranked/distributive in bulk for the purpose of prevention of service of the car, casual in the course of performing procedures). Do not allow attempts of a provorachivaniye of the engine after introduction of blocking cores at all.
7. Remove a pulley of a bent shaft (see Removal and installation of a pulley of a bent shaft).
8. On models 1.6 and 1.8 of l remove the central cover of a gas-distributing belt. On models of 2.0 l to an otboltita also remove the lower cover (see Removal and installation of covers of a gas-distributing belt).
9. Release a bolt of fastening of a roller of a natyazhitel of a gas-distributing belt. By means of a special key of the square section passed throughout an opening in a nave of a roller develop the last clockwise and record it in this situation, again having tightened a fixing bolt.

10. If the belt is removed not for the purpose of replacement performance, mark with chalk or paint the direction of its rotation (if the similar tag is not put at manufacturer). Take off a belt from cogwheels. Remember that the bent shaft should not be turned at the taken-off gas-distributing belt.

11. Attentively examine a belt on all its length, paying attention to pollution traces oil and signs of uneven wear. Special attention should be paid to a condition of the bases of teeths. The belt which is in a doubtful state should be replaced without any fluctuations. If the engine needs capital repairs, or its run makes more than 60 000 km (36 000 miles) the belt (if it was not established recently) is subject to replacement without fail. Do not forget that the cost of a new belt nothing in comparison with the expenses connected with recovery repair of the engine after an exit of its system as a result of break of a belt in use of the car. At detection of traces of pollution of a belt oil it is necessary to reveal a source of leak and to remove the cause of its development. Carefully wipe the surface of the power unit around installation of a gas-distributing belt, having completely removed oil traces from all accompanying components.

1. Before installation carefully clear cogwheels which the gas-distributing belt is put on. Check freedom of rotation of a roller of a natyazhitel, in case of need replace the last (see Removal, check of a state and installation of a natyazhitel and cogwheels of a gas-distributing belt).
2. Make sure of presence on the place of the core blocking a camshaft cogwheel (see Fixing cranked/distributive in bulk for the purpose of prevention of service of the car, casual in the course of performing procedures). Temporarily establish into place a pulley of a bent shaft and pass a core of suitable diameter throughout its blocking opening to make sure of correctness of provision of a shaft (see in the same place).
3. Remove a pulley of a bent shaft. Get a gas-distributing belt on the regular place, having tracked observance of the direction of its rotation (clockwise at a look from the right board of the car).
4. Try not to overwind excessively at installation a belt. Throw with a belt cogwheels of distributive and cranked shaft. Track that forward "run" of a belt was tense, i.e. all weak point has to gather on the party of a natyazhitel. Now put on a belt a cogwheel of the water pump and a roller of a natyazhitel. Track that teeths of a belt settled down in the central part of the forming surfaces of cogwheels.
5. Temporarily establish into place a pulley of a bent shaft, having moderately tightened a bolt of its fastening. Pass a core of suitable diameter throughout a blocking opening (see Fixing cranked/distributive in bulk for the purpose of prevention of service of the car, casual in the course of performing procedures).

Adjustment of a tension of a belt is made at uncovered. For installation of covers into place it is necessary to remove a pulley of a bent shaft once again.

6. Weaken a bolt of fastening of a roller of a natyazhitel. By means of a special key of square section develop a roller counterclockwise, having completely chosen a belt weak point.
7. In the presence of near at hand special the device for adjustment of a tension of a belt, establish it on forward "run" of the last. The roller of a natyazhitel should be adjusted so that the initial tension of a belt made 16 ± 2 blocks of device for models of 2.0 l and 30 ± 2 blocks for l models 1.6 and 1.8.
8. Take blocking cores and turn a bent shaft on two whole revolutions in the direction clockwise (looking from the right board of the car). Again achieve combination of blocking openings (see Fixing cranked/distributive in bulk for the purpose of prevention of service of the car, casual in the course of performing procedures). Do not turn a bent shaft counterclockwise at all. Drillings in a cogwheel distributive and a pulley cranked shaft have to be combined with reciprocal openings in a head and the block of cylinders so that blocking cores of the corresponding diameter were freely passed throughout the last. Performance of the last condition gives a guarantee of correctness of installation of phases of gas distribution. Do not forget to take blocking cores.
9. If it is not possible to achieve the required combination of openings, repeat the procedure of installation of a belt.
10. If adjustment of a tension of a belt has to be made without special adaptation, try to achieve that at the moderate effort enclosed big and index by fingers on the site in the middle of forward "run", the tape of a belt was overwound on 90 °. Violation of this condition is fraught with unexpected break of a belt (too hard tension), or its slipping on cogwheels. Both can lead to serious internal damages of the engine as a result of blow of valves about the bottoms of pistons. In case of need correct as appropriate the provision of a roller of a natyazhitel. In conclusion tighten a bolt of fastening of a roller with the required effort.
11. If made adjustment of a tension of a belt with use of special adaptation, turn a bent shaft on two whole revolutions in the direction of normal rotation, then achieve combination of blocking openings of the camshaft and pass throughout them a core of the corresponding diameter. Make sure that the belt tension on forward "run" makes 44 ± 2 blocks, otherwise repeat the procedure of installation.
12. Having achieved the correct tension of a belt, take a blocking finger from a camshaft cogwheel, then remove a pulley of a bent shaft and establish into place a forward cover (and).
13. Finalize into place a pulley of a bent shaft for what grease a carving of its fixing bolt with the fixing sealant like Loctite, then screw a bolt (do not forget about a washer) and tighten it with the required effort (see Removal and installation of a pulley of a bent shaft).
14. Establish into place a natyazhitel of an auxiliary driving belt, then establish actually a belt and adjust effort of its tension (address the Head Routine maintenance).
15. Establish into place a loker, then the right forward wheel. Lower the car on the earth and tighten bolts of fastening of a wheel with the required effort.
16. Connect a negative wire to the battery.