Jeep Grand Cherokee

1993-1999 of release

Repair and operation of the car



Jeep Grand Cherokee
- Cars of the Jeep Grand Cherokee brand
   + Identification numbers of the car
   Acquisition of spare parts
   + Technology of service, tool and equipment of a workplace
   + Poddomkrachivaniye and towage
   Start of the engine from the auxiliary power supply
   + Automobile chemicals, oils and lubricants
   - Diagnostics of malfunctions
      Engine
      Engine electric equipment
      Power supply system
      Cooling system
      Coupling
      Manual Box of Gear Shifting (MBGS)
      Automatic Transmission (AT)
      Transfer case
      Driveshaft
      Bridges
      Brake system
      Suspension bracket and steering
+ Settings and routine maintenance
+ Line six-cylinder engine
+ V8 engine
+ Procedures of the general and capital repairs of the engine
+ Cooling systems, heating and air conditioning
+ A 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 methods of operation



Engine

The engine is not turned in attempt of its start

  1. Corrosion of plugs of the battery takes place or fastening of tips of wires on them weakened. Check a condition of plugs and tips. Tighten terminal clips, if necessary remove corrosion traces.
  2. The battery is discharged or faulty. If tips of wires are found by pure and reliably fixed on battery plugs, turn the ignition key in position of ON, then include head headlights and/or screenwashes. If this electric equipment does not function, the battery is discharged.
  3. Transmission is poor established in situation "P" (AT) or on neutral transfer (RKPP), or coupling is squeezed not completely out.
  4. Conducting in a chain of system of start is torn off or fastening of wires on plugs weakened. Check a condition of wires, plugs and electric sockets of the battery, traction relay of a starter and the lock of ignition.
  5. The starter gear wheel is jammed in a gear wreath of a flywheel. On the models equipped with RKPP transfer it to transfer and, ceilings manually the car, turn that its engine. At the first opportunity remove a starter and check a condition of a gear wheel and a gear wreath of a flywheel.
  6. The traction relay of a starter (The head Sistema of electric equipment of the engine) is faulty.
  7. The starter (The head Sistema of electric equipment of the engine) is faulty.
  8. The ignition lock (The head Sistema of onboard electric equipment) is faulty.

The engine is turned, but not started

  1. The fuel tank is empty.
  2. Malfunction in system of injection of fuel (The head of the Power supply system and production of the fulfilled gases) takes place.
  3. The battery is discharged (the engine is turned too slowly). Check functioning of electric equipment (see the Section Engine it is not turned in attempt of its start).
  4. Skorrodirovali terminal connections of the battery or their fastening (see the Section Engine it is not turned in attempt of its start) weakened.
  5. The fuel pump (The head of the Power supply system and production of the fulfilled gases) is faulty.
  6. Components of system of ignition (The head Sistema of electric equipment of the engine) are damaged or excessively moistened.
  7. Spark plugs are worn-out or faulty or the candle gap is incorrectly exposed (The head Nastroyki and routine maintenance).
  8. Conducting of an electric contour of system of start is torn off or disconnected or fastening of wires on plugs weakened (see (see the Section Engine it is not turned in attempt of its start).
  9. Conducting of a contour of the coil of ignition is torn off or disconnected or fastening of wires on coil plugs (The head Sistema of electric equipment of the engine) weakened.

The starter functions without engine provorachivaniye

  1. The starter gear wheel is jammed. Remove a starter (The head Sistema of electric equipment of the engine) and check its state.
  2. Teeth of a gear wheel of a starter or wreath of a flywheel are worn-out or damaged. Uncover in a back part of the engine and examine.

Start of the cold engine is complicated

  1. The battery (see the Section Engine it is not turned in attempt of its start) is discharged or insufficiently charged.
  2. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).

Start of the hot engine is complicated

  1. The air filter is blocked (The head Nastroyki and routine maintenance).
  2. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  3. Fuel does not reach injectors of system of injection (The head of the Power supply system and production of the fulfilled gases).

Gearing of a starter happens is too noisy or with difficulty

  1. Teeth of a gear wheel of a starter or wreath of a flywheel are worn-out or damaged. Uncover in a back part of the engine (if that is provided) and examine.
  2. Bolts of fastening of a starter are lost or the effort of their tightening weakened.

The engine is started, but immediately becomes deaf

  1. The electrical wiring is faulty or fastening of wires on plugs of the distributor, the coil or the generator weakened.
  2. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  3. Losses of depression through the pro-masonry surfaces of the inlet pipeline or block of injection of fuel take place. Make sure of reliability of an inhaling of fixing bolts / nuts, check the fact and quality of fastening on the unions on the inlet pipeline of all vacuum hoses. Check a condition of hoses and correctness of their connection (to the unions).

Stability of operation of the engine on single turns is broken

  1. Depression losses take place. Make sure of reliability of an inhaling of fixing bolts / nuts, check the fact and quality of fastening on the unions on the inlet pipeline of all vacuum hoses. Wiretap the working engine by means of a stethoscope or a piece of a fuel hose. Existence of the hissing sound will allow to reveal a source of "leak" of vacuum. It is possible to use solution of soap water for check not less effectively.
  2. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  3. The valve of system of the operated ventilation of a case (PCV) or hose of system of continuous ventilation (CCV) is blocked (The head Nastroyki both routine maintenance and Systems of decrease in toxicity of the fulfilled gases and engine management).
  4. The air filter (The head of the Power supply system and production of the fulfilled gases) is blocked.
  5. The fuel pump does not provide giving of enough fuel to injectors of system of injection (The head of the Power supply system and production of the fulfilled gases).
  6. Leaks through laying of a head of cylinders take place. Perform measurement of compression pressure in engine cylinders.
  7. Working ledges of cams of the camshaft are worn-out (The head the Line six-cylinder engine).

Admissions of ignition take place during the operation of the engine on single turns

  1. Spark plugs are worn-out or polluted or the candle gap is incorrectly exposed (The head Nastroyki and routine maintenance).
  2. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  3. Wires of spark plugs are faulty (The head Nastroyki and routine maintenance).
  4. Losses of depression in the inlet pipeline or through hose connections take place (The section stability of operation of the engine on single turns Is broken).
  5. There is not enough, or compression pressure in cylinders is distributed unevenly. Perform measurement of a compression (The head Nastroyki and routine maintenance).

Admissions of ignition at the movement of the car on transfer take place

  1. The fuel filter is blocked or pollution of a power supply system takes place (The head Nastroyki and routine maintenance).
  2. Spark plugs are faulty or polluted or the candle gap is incorrectly exposed (The head Nastroyki and routine maintenance).
  3. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  4. Defect of candle wires takes place (The head Nastroyki and routine maintenance).
  5. Components of systems of decrease in toxicity of the fulfilled gases (The head Sistemy of decrease in toxicity of the fulfilled gases and engine management) are faulty.
  6. There is not enough or compression pressure is distributed between cylinders unevenly. Remove spark plugs and perform measurement of compression pressure (The head the Line six-cylinder engine).
  7. The system of ignition (The head Sistema of electric equipment of the engine) is faulty.
  8. Losses of depression on the throttle case, the inlet pipeline or through vacuum hoses (see the Section stability of operation of the engine on single turns Is broken) take place.

The engine becomes deaf

  1. Adjustment of turns of idling is broken. See VECI label.
  2. The fuel filter is blocked and/or moisture or dirt got to a power supply system (The head Nastroyki and routine maintenance).
  3. The refusal of components of a power supply system or sensors (Heads of the Power supply system and production of the fulfilled gases and System of decrease in toxicity of the fulfilled gases and engine management) takes place.
  4. Components of systems of decrease in toxicity of the fulfilled gases (The head Sistemy of decrease in toxicity of the fulfilled gases and engine management) are faulty.
  5. Spark plugs are faulty or polluted or the candle gap is incorrectly exposed (The head Nastroyki and routine maintenance). Also check a condition of candle wires (The head Nastroyki and routine maintenance).
  6. Losses of depression on the case of a throttle or through vacuum hoses (see the Section stability of operation of the engine on single turns Is broken) take place.

Deceleration of power of the engine takes place

  1. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  2. The distributor shaft side play is excessive. At the same time check a condition of the runner, a cover, wires, etc. (Head Nastroyki both routine maintenance and System of electric equipment of the engine).
  3. Spark plugs are faulty or the candle gap is incorrectly exposed (The head Nastroyki and routine maintenance).
  4. The ignition coil (The head Sistema of electric equipment of the engine) is faulty.
  5. AT liquid level does not conform to requirements (The head Nastroyki and routine maintenance).
  6. Coupling revolves (The head Stsepleniye and the transmission line).
  7. The fuel filter is blocked and/or dirt/moisture got to a power supply system (The head Nastroyki and routine maintenance).
  8. It is faulty the system of decrease in toxicity of the fulfilled gases (The head Sistemy of decrease in toxicity of the fulfilled gases and engine management) functions.
  9. Fuel not of that grade is filled. Fill in in a tank fuel with the required octane number.
  10. There is not enough or compression pressure is distributed between cylinders unevenly. Perform measurement of a compression which analysis of results allows to reveal existence of leakages of valves and/or violation of tightness of laying of a head of cylinders (The head the Line six-cylinder engine).

There are cottons in carburetors/flashes in system of release

  1. Functioning of systems of decrease in toxicity of the fulfilled gases (The head Sistemy of decrease in toxicity of the fulfilled gases and engine management) is broken.
  2. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  3. Defect in a secondary contour of system of ignition (destruction of insulators of spark plugs or defects of candle wires) takes place (The head Nastroyki both routine maintenance and System of electric equipment of the engine).
  4. The system of injection of fuel needs adjustment or its components are excessively worn-out (The head of the Power supply system and production of the fulfilled gases).
  5. Losses of depression on the throttle case, the inlet pipeline or through vacuum hoses (see the Section stability of operation of the engine on single turns Is broken) take place.
  6. Valves are jammed (The head the Line six-cylinder engine).
  7. The order of connection of candle wires is broken (The head Nastroyki and routine maintenance).

At the movement with acceleration or uphill there are mix detonation sounds

  1. Fuel not of that grade is filled. Fill in in a tank fuel with the required octane number.
  2. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  3. Spark plugs not of that type are established. Check compliance like candles to requirements of a label of VECI located under a cowl. Also check candles and their wires for existence of damages (The head Nastroyki and routine maintenance).
  4. The system of decrease in toxicity of the fulfilled gases (The head Sistemy of decrease in toxicity of the fulfilled gases and engine management) is faulty.
  5. Depression losses (see the Section stability of operation of the engine on single turns Is broken) take place.

Kalilny ignition takes place (the engine continues to work after switching off of ignition)

  1. Idling turns are excessively high (The head Nastroyki and routine maintenance).
  2. Malfunction of components of a power supply system or electric equipment takes place (Chapters of the Power supply system and production of the fulfilled gases and System of electric equipment of the engine).
  3. Working temperature of the engine is excessive. Decrease in level of a cooler (The head Nastroyki and routine maintenance), the failure of the thermostat, blocking of a radiator or malfunction of the water pump (The head of the Cooling system, heating and air conditioning) can be the possible reasons of this violation.