Citroen Xantia

since 1993 of release

Repair and car operation



Citroen Xantia
+ Introduction
+ Operation manual
+ Routine maintenance
- Engine repair
   + the Repair procedures which are not demanding extraction of the engine from the car - petrol engines
   + the Repair procedures which are not demanding extraction of the engine from the car - diesel engines
   - Removal and major maintenance of the engine
      Major maintenance of the engine - the general information
      Removal of the power unit - methods and precautionary measures
      Removal, partition and installation of the power unit - models with RKPP
      Removal, partition and installation of the power unit - models with AT
      Order of dismantling of the engine by its preparation for carrying out major maintenance
      Dismantle of a head of cylinders
      Cleaning and check of a condition of a head of cylinders and components of the klapanny mechanism
      Assembly of a head of cylinders
      Removal of shatunno-piston assemblies
      Removal of a cranked shaft
      Cleaning and check of a condition of the block of cylinders/case of the engine
      Check of a condition of shatunno-piston assemblies
      Check of a condition of a cranked shaft
      Check of a condition of loose leaves of radical and shatunny bearings of a cranked shaft
      Engine assembly order after performance of major maintenance
      Installation of piston rings
      Installation of a cranked shaft and check of working gaps of radical bearings
      Installation of shatunno-piston groups on the engine and check of working gaps of shatunny bearings
      Initial start of the engine after completion of its major maintenance
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ Coupling
+ Transmission
+ Power shafts
+ Uniform hydraulic system
+ Brake system
+ Running gear and steering
+ Body and salon furnish
+ Onboard electric equipment
+ electric equipment Schemes



Major maintenance of the engine - the general information

Definition of degree of need of performance of major maintenance of the engine far not in all cases appears a simple task and usually demands the accounting of a wide range of various symptoms and factors.

Considerable run at all unessentially is a sign of that the engine needs major maintenance. On the other hand, also it is impossible to consider insignificant term of operation of the car as a sufficient guarantee of serviceability of a condition of the power unit. Perhaps, the major factor defining service life of the engine, frequency and a regularity of performance of procedures of the general and routine maintenance of the car is. At normal leaving, frequent performance of change of engine oil and the other procedures stipulated by the schedule the engine reliably will serve throughout many and many thousand kilometers of run. On the contrary, the careless relation to performance of routine maintenance together with inept driving can already result in need of carrying out major maintenance of the power unit later very short time.

It is possible to consider an excessive consumption of engine oil as a signal about need of check of a condition of piston rings, maslootrazhatelny caps and/or directing plugs of valves. Naturally, first of all, it is necessary to make sure that losses of oil are not connected with development of its external leaks. Address for the help to the qualified experts who will help to define the general condition of the engine of your car on the basis of analyses of results of check of kompressionny pressure in cylinders (see. The repair procedures which are not demanding extraction of the engine from the car - petrol engines or the Repair procedures which are not demanding extraction of the engine from the car - diesel engines).

Check pressure of oil, having connected instead of the sensor switch of a control lamp a suitable manometer. Compare results of measurement to standard requirements (see. Specifications). Excessively low pressure of oil can be a sign of wear radical / шатунных bearings of a cranked shaft and/or the oil pump.

Loss of the developed capacity, violation of stability of turns, excessive noise background at operation of the klapanny mechanism, the increased fuel consumption also are among signs of need of carrying out major maintenance of the engine, in particular, when all these factors are shown at the same time. If performance of a full range of settings does not help with elimination of the taking place deviations, performance of the recovery operations connected with machining of components remains the unique reasonable way out.

Major maintenance of the power unit means recovery of all of its working parameters to level, characteristic for the new engine. During major maintenance replacement of sleeves of cylinders (is without fail made at the corresponding complete set), pistons and piston rings. Radical and shatunny bearings are usually replaced, the pro-point and restoration of necks of a cranked shaft can be in case of need made. Service of the valves which condition at the moment of emergence of need for carrying out major maintenance of the engine almost for certain leaves much to be desired is without fail carried out. In parallel with performance of procedures of the general repair of the power unit also regenerative repair of such auxiliary components, as the ignition distributor (petrol engines), a starter and the generator is usually made. On termination of repair the engine gets the characteristics peculiar for the new unit, and can serve smoothly still many and many thousands kilometers of run.

Such critical components of system of cooling as hoses, driving belts, the thermostat and the water pump at carrying out major maintenance of the engine should be replaced without fail. Besides, it is necessary to check a radiator condition attentively. In case of identification of signs of development of leaks or passableness violation it is necessary to replace a radiator also. Many firm workshops of car-care center do not give a guarantee on operation of the restored engine without performance of professional cleaning and radiator repair. Originators of this Management do not recommend to undertake attempts of performance of regenerative repair of the water pump, - it will be more effective and more reliable to replace it new.

Before starting performance of major maintenance of the engine attentively familiarize with materials of this part of Head engine Repair, thereby having theoretically prepared itself for the forthcoming work. Let's notice that major maintenance of the engine at all does not demand from the performer of high professional level (under condition of strict observance of all instructions), however can take away a lot of time. It is necessary to prepare for refusal of using the car for the term of about two weeks, in particular in need of the request for the help in a mechanical workshop for the purpose of performance of separate recovery operations. Carry out small marketing, having defined existence on sale of necessary spare parts, tools and the equipment. Beforehand prepare all necessary materials. The most part of works can be executed with application of a usual set of the metalwork tool, however the part of checks by determination of suitability of some components to further use demands use of the high-precision measuring equipment. In doubtful situations address for council to specialists of car-care center who always will help to decide on a choice in a question of need of replacement or regenerative repair of any of internal components of the engine.

Before giving any of details for carrying out regenerative repair to a car-care center workshop, carry out complete dismantling of the engine and dismantle of all its internal components. Do not forget that a determinant in a question of expediency of carrying out major maintenance of the engine always is the condition of the block of its cylinders. Frequent cheaper and more reliably it appears to replace the worn-out engine restored. Never start acquisition of replaceable components until carefully do not study a block condition. Remember that time is the main expensive factor at performance of major maintenance of the engine - it is not necessary to spend it for installation of the worked well together or non-standard knots and components aimlessly.

In summary we will notice that all efforts on performance of regenerative repair of worn-out components will appear spent for nothing at the negligent relation to care of maintenance of purity at unit assembly.