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Jeep Grand Cherokee

1993-1999 of release

Repair and car operation



Jeep Grandee Cheroki
+ Jeep Grand Cherokee brand Cars
+ Settings and routine maintenance
+ Ryadny six-cylinder engine
+ V8 Engine
+ Procedures of the general and major maintenance of the engine
+ Systems of cooling, heating and air conditioning
+ the Power supply system and production of the fulfilled gases
+ System of electric equipment of the engine
+ Systems of decrease in toxicity of the fulfilled gases and engine management
+ Manual box of gear shifting
+ Automatic transmission
+ Transfer case
- Coupling and transmission line
   General information
   Coupling - the general description and check of serviceability of functioning
   Removal and installation of components of hydraulic system of switching off of coupling
   Removal, check of a condition and installation of components of coupling
   Removal, check of a condition and installation of the vyzhimny bearing of coupling
   Check of a condition and replacement of the directing bearing
   Driveshafts, differentials and bridges - the general information
   Check of a condition of the transmission line
   Removal and installation of driveshafts
   Replacement of kardanny hinges
   Replacement of an epiploon of a shaft of a leading gear wheel of differential
   Removal, service and installation of a nave and bearings (forward wheel)
   Removal, major maintenance and installation of a forward power shaft
   Removal and installation of assembly of the forward bridge
   Removal and installation of a back semi-axis and bearing assembly
   Removal and installation of assembly of the back bridge
+ Brake system
+ Suspension bracket and steering
+ Body
+ System of onboard electric equipment
+ Governing bodies and operation receptions



Removal, check of a condition and installation of components of coupling

The dust developed in the course of functioning of coupling and accumulating on a surface of its components can contain unhealthy asbestos. AT ALL do not blow off a dust from components of coupling by the compressed air and do not inhale it. Do not use for dust removal by solvents on an oil basis or gasoline. For dust washing off in the prepared capacity it is necessary to use the structures intended for cleaning of brake mechanisms. After completion of cleaning and rubbing of components of coupling merge the used cleaner and combine dirty rags in the container marked as appropriate.

Removal

 PERFORMANCE ORDER

  1. For ensuring access to coupling components it is enough to remove a transmission (RKPP), having left the engine in the car. If the engine is removed for carrying out major maintenance, survey and replacement of worn-out components of coupling should be made without fail. Rather small cost of components of coupling in comparison with expenses of time and forces for ensuring access to them does reasonable work of replacement of components each time at their removal if certainly they are not absolutely new and are in an excellent condition. The description offered below procedures is made proceeding from the assumption that the engine is not removed from the car.
  2. Disconnect the executive cylinder from the coupling case (The section Removal and installation of components of hydraulic system of switching off of coupling).

Do not disconnect the hydraulic line from the executive cylinder - the system is not subject to pumping in case of air hit in it!

  1. Remove from the RKPP car (Head the Manual box of gear shifting). The engine leave propped up. It is preferable even to hang out it on the winch. If the engine is propped up by a jack, do not forget to lay for loading distribution between a head of a jack and the case pallet wooden whetstone.

Maslozabornik of the oil pump is located very close to a bottom of the pallet of a case. If the pallet is will bend, it can lead to violation of functioning of lubricant system.

  1. For a podderzhivaniye of a conducted disk in the course of removal establish on a disk nave the tool for its centering.
  2. Carefully check a basket of coupling and a flywheel on existence of identification labels. Usually it is labels in the form of letters X or Oh, or simply dabs put with white paint. If it is not possible to find a label, put down them with own hand so that at assembly the relative provision of a flywheel and a basket appeared is kept.
  1. Mark the provision of a basket of coupling concerning a flywheel (shooter) (in a case certainly if are not going to change a basket).
  1. Turning each of bolts of fastening of a basket to a flywheel gradually for one approach, weaken them. Act in a diagonal order, achieving complete removal of the loading created by petals of a diafragmenny spring. Then, strong holding a basket, finally remove bolts of its fastening. Remove a basket and a conducted disk.

Condition check

Usually refusals and malfunctions of coupling are connected with wear of its conducted disk. However, it is necessary to check a condition of all components of assembly.

 PERFORMANCE ORDER

  1. Check a flywheel on existence of cracks, furrows, signs of an overheat and other obvious defects. If defects are insignificant, the surface of a flywheel can be restored by a way of stanochny processing which originators of this management recommend to make regardless of an external condition of a surface of a flywheel. Procedures of removal and installation of a flywheel are considered in Head Ryadny the six-cylinder engine.
  1. Check a flywheel surface on existence of cracks, overheat signs (sites with the changed coloring) and other obvious defects; flywheel machining in a workshop of car-care center will help to get rid of all insignificant defects - the surface of the flywheel shown in a picture is practically in perfect tune; however, originators of this Management recommend to make stanochny processing of a flywheel regardless of its external condition.
  1. Check a condition of a frictional overlay of a conducted disk. The slip should tower over heads of rivets at least on 1,6 mm. Check a disk on weakening of rivets, existence of deformations, the cracks, the broken springs and other damages. As it was already mentioned above, it is necessary to replace a disk in the presence of the slightest doubts in definition of its condition.

Conducted disk

1 — the Frictional slip - Are subject to wear in the course of coupling functioning
2 — Rivets - Serve for fastening of a slip and, at contact to surfaces of a flywheel or a press disk cause their damage
3 — Labels - «FLYWHEEL SIDE», or something something like that

  1. Check a condition of the processed surfaces and petals of a diafragmenny spring of assembly of a basket of coupling with a press disk. If the surface is covered with furrows or otherwise damaged, replace assembly. Also check a basket on existence of signs of obvious damages, deformations and cracks. Easy polishing of a press disk can be eliminated by means of an emery paper. For replacement of assembly use new or fabrichno the restored blocks.
  1. In case of detection of signs of excessive wear replace a basket of coupling with a press disk.
  1. Check a condition of the vyzhimny bearing (The section Removal, check of a condition and installation of the vyzhimny bearing of coupling).
  2. Examine directing bearing (The section Check of a condition and replacement of the directing bearing).

Installation

 PERFORMANCE ORDER

  1. Before installation wipe the processed surfaces of a flywheel and a basket of coupling by the rags moistened in acetone. It is important, that on these surfaces or on overlays of a conducted disk oil or greasing did not get. Touch components with only clean hands.
  2. Put a conducted disk and a coupling basket to a flywheel and press them by means of the centering tool. Make sure of correctness of installation of components (the majority of replaceable disks of coupling (conducted) are equipped with "FLYWHEEL SIDE" marking (the party turned to a flywheel) or another of the same sense - if marking is absent, establish a disk dempferny springs to a transmission).
  1. Before tightening fixing bolts отцентруйте a conducted disk in a coupling basket by means of the special tool - the centering tool can be acquired in any shop of automobile accessories and its application allows to reduce essentially time for centering of coupling and completely to eliminate any doubts in its correctness.
  1. Moving on basket perimeter, by hand tighten bolts of its fastening to a flywheel.
  2. Having passed the extension piece of the centering tool through the nave equipped with shlitsa in directing bearing of a cranked shaft, отцентруйте a conducted disk. For complete landing of the tool in directing bearing shake it up-down or here and there. In order to avoid basket deformation, operating in a diagonal order and gradually for each approach, tighten bolts of fastening of a basket to a flywheel with demanded effort. Remove the centering tool.
  3. With high-temperature greasing grease an internal flute of the vyzhimny bearing (The section Removal, check of a condition and installation of the vyzhimny bearing of coupling). Also grease contact surfaces of the lever of switching off of coupling and the holder of the bearing of primary shaft of a transmission.
  4. Establish to the place of vyzhimny the bearing (The section Removal, check of a condition and installation of the vyzhimny bearing of coupling).
  5. Establish into place a transmission (Head the Manual box of gear shifting).
  6. Establish the executive cylinder (The section Removal and installation of components of hydraulic system of switching off of coupling).
  7. Clean jacks and lower the car on the earth.
  8. Carry out trial runs, having checked serviceability of functioning of a transmission and coupling.