KIA of Sportazh - Kia Sportage
Governing bodies and operation receptions
Current leaving and service
Engine
   Check of kompressionny pressure, assessment of a condition of cylinders
   Engine check by means of the vacuum gage
   Belts of a drive of auxiliary units
   Petrol models
   Diesel models
      Greasing system - the general information
      Removal and engine installation
      Removal and installation of components of a drive of GRM
      Check and adjustment of klapanny gaps
      Removal and installation of the inlet pipeline and final collector
      Service of a head of cylinders and components of the gas-distributing mechanism
      Dismantling and assembly of the block of cylinders, service of components
      Removal and installation of the pallet of a case
      Removal, installation and service of the oil pump
      Removal and installation of a maslookhladitel
      Removal and flywheel installation
      Removal and installation of masloraspylitel
      Replacement of epiploons of a cranked shaft
Systems of cooling, heating, ventilation and air conditioning
Power supply systems, managements of engine/decrease in toxicity of the fulfilled gases and production of the fulfilled gases
Systems of electric equipment of the engine
Five-step manual box of gear shifting
Automatic transmission
Transmission line
Brake system
Suspension bracket and steering
Body
Onboard electric equipment
Control body sizes
Schemes of electric connections



Kia Sportage>> Engine>> Diesel models>> Service of a head of cylinders and components of the gas-distributing mechanism

Service of a head of cylinders and components of the gas-distributing mechanism

This procedure is among those which performance does not demand removal of the engine from the car.

Details of installation of a head of cylinders and accompanying components

1 — the Gas-distributing belt
2 — the Vacuum hose
3 — the Generator
4 — the Hose of a maslookhladitel
5 — the Reception pipe of system of release with a basic arm
6 — Submitting топливопроводы
7 — the Line of return of fuel
8 — I Will corrode electroconductings of system of preheat
9 — the Socket of the temperature sensor
10 — Shchup of measurement of level of impellent oil with a directing tube
11 — thermostat Assembly

12 — the Bolt of a cogwheel of a camshaft
13 — a camshaft Cogwheel
14 — the Segment shponka
15 — Bolts of fastening of a back cover of a drive of GRM
16 — the Hose of ventilation of a case of the engine
17 — the Cover of a head of cylinders
18 — Bolts of fastening of a head of cylinders
19 — the Head of cylinders
20 — the Basic arm of the generator
21 — Sealing laying of a final collector
22 — the Inlet pipeline

Design of a head of cylinders

1 — Bolts of fastening of a head of cylinders
2 — the Head of cylinders with sealing laying
3 — the Nozzle with a by-pass tube
4 — the Glow plug with electroconducting
5 — Covers of bearings of a camshaft
6 — the Camshaft
7 — the Epiploon with a cover
8 — Pushers of valves with adjusting washers
9 — Crackers of cutting locks

10 — the Top plates of springs
11 — Klapannye of a spring
12 — Valves
13 — the Bottom plates of springs
14 — Maslootrazhatelnye caps
15 — Directing plugs of valves with lock rings
16 — the Loose leaf of the chamber of combustion with a ball clamp
IN — Inlet valves
EX — Final valves

Scheme of the organization of a drive of valves

1 — the Pusher
2 — the Camshaft
3 — the Adjusting washer
4 — the Glow plug

5 — the Nozzle
6 — Predkamera
7 — the Loose leaf of the chamber of combustion
8 — the Bolt of fastening of a head of cylinders

Dismantle and service of components

 PERFORMANCE ORDER

  1. Dismantle all procedures stirring to performance components (see an illustration the Order of dismantle of components at removal of the power unit), - address to materials of appropriate sections in this chapter, and also Heads of System of cooling, heating, ventilation and air conditioning, the Power supply system, management of engine/decrease in toxicity of the fulfilled gases and production of the fulfilled gases and Systems of electric equipment of the engine.
  2. Remove a gas-distributing belt (see. The section Check of a condition and replacement of a belt of a drive of GRM in Head the Current leaving and service) and components of a drive of GRM (see. Section Removal and installation of components of a drive of GRM).
  3. Disconnect from a head of cylinders the inlet pipeline and a final collector.
  1. Operating strictly in a certain order, release bolts of fastening of a head of cylinders. Finally turn out fixing bolts and remove a head, previously обстучав on joint perimeter with the block a hammer with soft the brisk. Remove sealing laying of a head.
  1. Remove nozzles with toplivootvodny tubes (see. Power supply systems, managements of engine/decrease in toxicity of the fulfilled gases and production of the fulfilled gases).
  2. Turn out and remove glow plugs, remove their electroconducting (see. Head Current leaving and service).
  3. Examine a head on existence of traces of development of leaks, cracks, cavities in interfaced surfaces and other mechanical damages. With the help щупа lezviyny type and a planeness measuring instrument (the steel ruler put on an edge) estimate extent of deformation of cylinders interfaced to the block, the inlet pipeline and a final collector of surfaces of a head. Compare results of measurements to requirements of Specifications of Head the Engine. The defective head is subject to replacement.

Restoration of planeness of interfaced surfaces of a head of cylinders by their machining is not admissible at all!


Measurement of deformation interfaced to the block of cylinders of a surface of a head is made in six directions.
The scheme of measurement of deformation interfaced to the inlet pipeline and a final collector of surfaces of a head of cylinders.
  1. Operating strictly in a certain order, release bolts of fastening of covers of bearings of a camshaft.
  1. Remove covers and take a camshaft.
  1. Take pushers of valves with adjusting washers, - at assembly all components should be established strictly on the former places.
  1. Carefully wipe beds of bearings in a head and covers, then lay a camshaft on the regular place and measure its size axial люфта.
  1. By means of Plastigage set serially define sizes of working gaps in camshaft bearings, - track correctness of an arrangement of covers observance of requirements of Specifications of Head the Engine to efforts of a tightening of their fixture.

The tightening of bolts should be made as it should be, the return to an order of their otpuskaniye.


Measurement of size of gaps in camshaft bearings by means of Plastigage set, - the tightening of fixture of bearing covers should be made with demanded effort.
  1. At installation of covers during performance of procedure of measurement of gaps in bearings track correctness of their arrangement.
  1. Compare results of the made measurements to requirements of Specifications of Head the Engine, in case of need replace a shaft and/or a head.
  1. By means of a plunzherny tsiferblatny measuring instrument (DTI) define vystupaniye sizes over a surface of head/depth of landing in a head of loose leaves (1) chambers of combustion, - if the result any of measurements falls outside the limits an admissible range (see. Specifications of Head the Engine), replace loose leaves/head.
  1. By means of special adaptations compress a spring of the first valve and take from a flute on its core crackers of the cutting lock. Dismantle adaptations and take a spring with plates and the valve. Operating in a similar manner, remove components of the remained valves.
  1. By means of special nippers remove maslootrazhatelny caps of directing plugs of valves.

Cap capture by nippers is possible only after extraction of the bottom plate of a klapanny spring.


  1. In case of need, operating from the back party of a head, by means of a suitable drift beat out loose leaves of chambers of combustion, try not to lose fixing balls.
  1. With the help щупа lezviyny type measure depth of landing of the valve in a head of cylinders. The nominal rate of depth of landing of valves (both inlet, and final) makes 0.75 ? 1.05 mm. If the result of measurement lies within a range of 1.55 ? 2.55 mm, establish on a plate of a klapanny spring an equivalent washer. If depth of landing of the valve exceeds value of 2.55 mm, it is necessary to replace a head of cylinders.
1 — a planeness Measuring instrument (the steel ruler put on an edge)
2 — Shchup of lezviyny type
3 — Depth of landing of the valve
  1. Estimate a condition of the valves removed from the engine. In case of identification of signs of wear, deformations and other mechanical damages of plates or cores replace defective components.

Insignificant teases can be removed from surfaces of cores by means of a grinding stone.

  1. Grease a klapanny saddle with a thin layer of lead minium and, without rotating, press to it a plate of the valve. Take the valve and on left on a surface of its working facet to a trace estimate density of its pressing to a saddle.
1 — the Saddle
2 — Width of a contact zone
3 — Lead minium
  1. In case of violation of uniformity of a spot of contact, or an exit of its width out of limits of an admissible range (1.7 ? 2.3 mm) the saddle should be proshlifovano a grinding nozzle for the purpose of removal задиров and agnails, or is subjected to machining with application of special cutters with working corners in 15, 45 or 60 degrees. During processing regularly repeat quality check of a prileganiye of the valve.
  1. Make grinding in of valves to saddles in a head of cylinders, - as pritirochny means the special melkodispersny abrasive paste mixed in impellent oil is used. Try not to allow mix hits on a valve core. After grinding in implementation the spot of contact should have a form of the continuous ring located in an average part of a working facet of a plate. From this point each valve should be unequivocally adhered to the saddle, - this fact should be taken into consideration at assembly.
  1. By means of a micrometer measure diameters of cores of valves. Results of measurements write down.
IN — the Inlet valve
EX — the Final valve
  1. Having armed with a nutromer (1), measure internal diameters of directing plugs of valves.
  1. By subtraction of results of the first series of measurements from the corresponding results of the second series define size люфтов landings of valves in directing plugs. Compare results of calculations to requirements of Specifications of Head the Engine, in case of need replace directing plugs.
  1. By means of the special adaptation beat out directing plugs from the landing nests in a head aside opposite to the party of placement of chambers of combustion.
  1. Plant on the new directing plug a lock ring and by means of the special adaptation begin to knock the plug in a landing nest in a head, operating from outside to the opposite side of placement of chambers of combustion, - the lock ring should disappear completely in a landing nest.

Pay attention to constructive differences between directing plugs of inlet and final valves.


1 — the Lock ring
2 — head Moulding
3 — the Directing plug
Pay attention to constructive distinctions of directing plugs of inlet (IN) and final (EX) of valves.
  1. Having finished installation of new directing plugs, repeat measurement люфтов landings in them the corresponding valves.

Installation of maslootrazhatelny caps should be made after completion of adjustment of valves.

  1. Attentively study a condition of klapanny springs, - in case of identification of chips, cracks and other mechanical damages replace defective components.
  2. Measure free length of springs, estimate extent of violation of a tortsovka, - at excess by result of any of measurements of limiting admissible value (see. Specifications of Head the Engine) replace the corresponding spring (ы).
Measurement of free length of a klapanny spring.
Check of a tortsovka of a klapanny spring.
  1. Measure external diameters of pushers, write down results of measurements. If the result of measurement falls outside the limits an admissible range replace the corresponding component.
  1. Measure internal diameters of nests (2) under landing of pushers (1) in head molding. Write down results. By subtraction of results of the first measurements from results of the second define sizes landing люфтов pushers. Compare results of measurements to requirements of Specifications of Gdava Dvigatel, in case of need replace corresponding pushers/head of cylinders.
  1. Make measurement of height of cams of a camshaft, - if the result any makes of measurements less than the Head stipulated in Specifications the Engine of limiting admissible value, it is necessary to replace a shaft.
N — cam Height
  1. Measure diameters of bearing necks, check them on existence and ovality. Compare results of measurements to requirements of Specifications of Head the Engine, in case of need replace a shaft.
And — Vertical measurement
In — Horizontal measurement
  1. Lay a shaft in prisms and by means of a measuring instrument of DTI check it on bend existence. If the result of measurement exceeds limiting admissible value, replace a shaft.

Assembly

 PERFORMANCE ORDER

  1. Assembly is made upside-down. Track, that all adjusted and ground-in components were established strictly on the places.
  1. When landing maslootrazhatelny caps use special оправко, - do not forget to grease caps with impellent oil previously.
  1. Before filling them in directing plugs it is also necessary to grease cores of valves, - use molibdensoderzhashchy greasing, when landing crackers of cutting locks use special adaptations.
  2. At installation of adjusting washers do not forget to put oil on face surfaces of pushers.
1 — the Adjusting washer
2 — the Pusher
  1. At installation of a camshaft grease his necks and a bed of bearings with pure impellent oil, remember that landing of covers of bearings of a camshaft should be made on hermetic.
  1. The tightening of fixing bolts of covers is made after installation of an epiploon of a camshaft and as it should be, the return to an order of their otpuskaniye.
  1. Having established a camshaft, make final assembly of a head, having planted on it hinged components. Track purity of interfaced surfaces of a head, the inlet pipeline and a final collector, do not forget to replace sealing laying.
1 — Elevating for rigging fixing when lifting engine
2 — Glow plugs with an electroconducting set
3 — Nozzles
4 — the Inlet pipeline
5 — the Final collector
6 — the Basic arm of the generator
  1. At installation of NEW sealing laying of a head track correctness of its placement on the block.
  2. Before a vvorachivaniye of bolts of fastening of a head measure their length, - excessively extended bolts (see. Specifications of Head the Engine) are subject to replacement. The tightening of bolts should be made in stages (see. Specifications of Head Engine) as it should be, the return to an order of their otpuskaniye.
  3. Installation of the remained components is made as it should be, the return to an order of their removal (see appropriate sections in this chapter and the Section Check of a condition and replacement of a belt of a drive of GRM in Head the Current leaving and service).