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
   General information
   The repair procedures, which performance does not demand engine extraction from the car
   Reduction in position VMT of the piston of the first cylinder
   Removal and installation of covers of heads of cylinders
   Removal, check of a condition and installation of yokes and bars of pushers
   Replacement of klapanny springs, their plates and maslootrazhatelny caps
   Removal and installation of the inlet pipeline
   Removal and installation of final collectors
   Removal and installation of heads of cylinders
   Replacement of a forward epiploon of a cranked shaft
   Removal, check of a condition and installation of a cover of the distributive chain, chain and its asterisks
   Removal, check of a condition and installation of a camshaft and hydraulic pushers
   Removal and installation of the pallet of a case
   Removal, check of a condition and installation of the oil pump
   Removal and flywheel installation / driving disk
   Replacement of a back radical epiploon
   Check of a condition and replacement of rubber pillows of support of the 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
+ Brake system
+ Suspension bracket and steering
+ Body
+ System of onboard electric equipment
+ Governing bodies and operation receptions



Removal and installation of the inlet pipeline

Removal

 PERFORMANCE ORDER

  1. Disconnect a negative wire from the battery.
  2. Empty cooling system (Head of Control and routine maintenance).
  3. Remove air purifier assembly.
  4. Dump pressure in a power supply system (Head of the Power supply system and production of the fulfilled gases).
  5. Turn a natyazhitel of a driving belt of hinged units so that there was a possibility to remove tape type a belt from a pulley. Remove a belt.
  1. Having put on a key a bolt of a natyazhitel, turn the last clockwise so that there was a possibility to remove a driving belt from a tension roller.
  1. Remove the generator (Head System of electric equipment of the engine). On the models equipped with the conditioner of air remove the compressor and put it aside.

Do not disconnect any refrigerator lines.

  1. Give three bolts of fastening of the pump of system of hydrostrengthening of a wheel. Put the pump aside, having established it so that hydraulic liquid followed from it on.
  1. Access to fastening bolts наоса systems of hydrostrengthening of a wheel is possible through openings in a pulley.
  1. Remove a tension roller (it blocks access to one of arm bolts). Give bolts of fastening of an arm of the generator/compressor to a forward wall of the engine and remove an arm.
  1. Access to one of bolts of an arm is closed by a tension roller - remove a roller, give a bolt and remove an arm.
  1. Mark and disunite electric sockets of each of fuel injectors. Disconnect all vacuum lines attached to the inlet pipeline and the case of a throttle.
  1. Disunite electric sockets of injectors of fuel and carefully mark them for a guarantee of correctness of installation of connection at assembly.
  1. Disunite the remained electric sockets on the inlet pipeline and the case of a throttle and, having delayed up, throw all plaits of wires via the inlet pipeline and bring them for the engine.
  2. Remove assembled fuel highways and injectors (Head of the Power supply system and production of the fulfilled gases). Both fuel highways can be taken by a pulling way vertically up together with the injectors fixed in them, however, for extraction of injectors from the inlet pipeline it is required to make a certain effort.
  3. Remove from the engine the top hose of a radiator, then disconnect a hose of a heater and perepuskny a hose of the water pump from the inlet pipeline.
  1. Disconnect from the pipeline a hose of a heater and perepuskny a hose of the water pump.
  1. Disconnect draft of gas (Head of the Power supply system and production of the fulfilled gases) and if the car is as appropriate equipped, draft темпостата. On models from AT disconnect from the throttle case a cable of a drive of a butterfly valve in a mode kik-Down (TV cable).
  2. Give two screws of fastening of a cover of the distributor (use a replaceable head with a drive on 1/4 inches and the suitable extension piece). Disconnect wires from spark plugs (Head of Control and routine maintenance). Carry out a distributor cover with candle wires behind the inlet pipeline and take them from an impellent compartment.
  3. Remove the block of distribution of depression from the driver's party of the pipeline and transfer it on the opposite side of the engine.
  4. Give two bolts of fastening of a tube of system of a retsirkulyatsiya of the fulfilled gases (EGR) to the final collector located from the passenger party (The section Removal and installation of final collectors).
  5. Remove from a back part of the inlet pipeline the EGR valve, is should provide access to the union of a tube to EGR which has been screwed in in a back part of the inlet pipeline, it is direct under the EGR valve. Lift the receiver EGR.
  6. Remove the inlet pipeline together with the case of a throttle attached to it. After the pipeline will appear separated from the engine, make sure that all wires and lines are disconnected from it.

Do not try the pipeline is hooked, having got the lever between it both the block of the engine and a head of cylinders as it is fraught with damage of interfaced surfaces with emergence after depression losses.


  1. The inlet pipeline is rather bulky and heavy - before final removal from the engine make sure that all wires and lines are disconnected from it.

Installation

Interfaced surfaces of heads of cylinders, the block and the pipeline should be smoothed carefully out before installation of the last. Special solvents and aerosols for a softening of traces of a material of old laying are issued - ask in shops of automobile accessories. Strictly observe instructions of manufacturers of structures.


 PERFORMANCE ORDER

  1. Clean from EGR system channels traces of a deposit and I sit down. By means of a prokladochny scraper carefully remove from interfaced surfaces all traces of hermetic and a material of old laying, then wipe surfaces the rags moistened in acetone. Existence on interfaced surfaces of traces of hermetic or oil at installation of the pipeline is fraught with emergence in the closest future of leakages of oil and depression losses. Cover a cavity of placement of pushers of valves with rags in order to avoid hit in the garbage engine. For removal of small garbage and sawdust from inlet ports in heads of cylinders use the vacuum cleaner.
  2. Tap of the demanded size banish a carving of boltovy openings, having blown then openings the compressed air (whenever possible) for shaving removal from them.

When using the compressed air surely put on goggles.

  1. Grease turned to heads of cylinders the party of new laying of the inlet pipeline thin a RTV hermetic layer.
  2. Establish lateral laying of the pipeline on heads. Usually laying is marked from the party turned to the pipeline by LT labels (left) and RT (right) in this case their installation will be quite unequivocal. Track, that laying was established on the correct party and with combination of openings of all inlet ports, okhladitelny channels and boltovy openings.
  1. Laying should be established on the correct party; some of them can be equipped with LT labels (left) and RT (right) from the party turned to the pipeline, however surely it is necessary to track combination of openings under ports and to make sure that cuts of lateral laying coincided with uvulas on back and forward parts of laying of a head of cylinders (shooter).
  1. In a set of new laying plastic directing pins which are put in openings along the edges of laying and in forward and back parts of the block can be enclosed. If such pins are enclosed, surely use them. If pins are not applied, squeeze out in openings in the block a little RTV hermetic. Put a thin uniform layer of quickly stiffening putty on face consolidations of the inlet pipeline and contact surfaces of the block of cylinders and press laying to the block, let's to RTV hermetic be squeezed out through openings in laying. The instructions attached to a set of laying for more details see.
  1. Squeeze out RTV hermetic in openings under directing plugs (arrow) on the ends of laying.
  1. If run of the engine makes more than 80 000 km (50 000 miles) and available there is a set of laying of the inlet pipeline, now it will be a high time to replace laying between the inlet pipeline and the throttle case.
  2. To the lower part of the pipeline приболчен pallet of the chamber of superfluous pressure. In case of need remove the pallet and carefully smooth out interfaced surfaces.
  1. Remove the pallet of the chamber of superfluous pressure from the lower part of the inlet pipeline and smooth out interfaced surfaces.
  1. Establish the pallet on the pipeline, having replaced laying and наживив bolts by hand. Tighten bolts with demanded effort in three stages and in an order shown on an illustration below.

Order of a tightening of bolts of the pallet of the chamber of superfluous pressure.

  1. Grease four corners of laying of the inlet pipeline on the engine with RTV hermetic, however do not squeeze out too much hermetic - he should act slightly only over forward and back laying.
  1. Grease with RTV hermetic four corners where laying is joined to lateral laying.
  1. Carefully establish the pipeline on the place.

Try not to displace laying and AT ALL do not move the pipeline forward-back after it will appear is pressed to forward and back consolidations, differently laying can appear shifted that it is easy not to notice, however in the next future it will lead to emergence of leakages of oil.

  1. Establish bolts of the inlet pipeline and tighten them by hand. Then tighten bolts with demanded effort in three stages and in an order shown on an accompanying illustration.

Two lobbies and two back bolts are located closer than others to water channels therefore before installation of their carving should be greased with hermetic.


Order of a tightening of bolts of fastening of the inlet pipeline.

  1. Further installation make as it should be, the return to a removal order. Start the engine and carefully check it on leakages of oil, vacuum and a cooler through joints of interfaced surfaces of the inlet pipeline.