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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Jeep Grand Cherokee (from 1993 to 1999, the year of issue)

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Jeep Grand Cherokee
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Jeep
Grand Cherokee
Introduction
Adjustment and routine maintenance
The straight six-cylinder engine
The V8 engine
Procedure of the general and engine major repairs
Systems of cooling, heating and air conditioning
general information
Antifreeze - the general information
Check of functioning and thermostat replacement
Check of serviceability and replacement of the cooling fan and clutch his clutch
Check the operation and to replace the coolant temperature sensor
Removing and installing radiator and cooling system expansion tank
Check operation of the water pump
Removal and installation of the water pump
Check of an electric circuit and replacing the motor fan heater and air conditioner
Removal and installation of the unit heater fan
Removal and installation of assemblage of the control heater and air conditioner
Removing and installing heat exchanger heater
Check of serviceability and maintenance of heating systems and air-conditioning
Diagnosis of automatic temperature control (ATC) without removing it from the car
Removing and installing battery (accumulator) air conditioning system
Removal and installation of the air conditioning system compressor
Removal and installation of air conditioning condenser
Removal and installation of a calibrated nozzle tube
Removal and installation of evaporator air conditioning system
The power supply system and exhaust
The system of electric motor
Systems of decrease in toxicity of the fulfilled gases and engine management
Manual box of a gear change
Automatic Transmission
Transfer Case
Clutch and transmission line
Brakes
Suspension and steering
Body
The system of on-board electrical equipment
Controls and operation receptions
 


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Check of serviceability and replacement of the cooling fan and clutch his clutch



To avoid any possible damage or injury DO not start the engine with a damaged fan. Do not attempt to repair the fan blades - if damaged, replace the impeller fan is new.

Check

PERFORMANCE ORDER

  1. Disconnect the negative wire from the battery and shake the fan back and forth by hand, checking his sleeve for signs of excessive backlash.
  2. When cool (and not running) engine fan blades rotate manually. The fan should rotate freely.
  3. Inspect the outside of the fan, trying vyvit traces of leakage of fluid from the viscous clutch assembly. In the event of signs of malfunction replace the clutch.
  4. When the engine is fully warmed up, turn off the ignition and disconnect the wire from the battery. Turn the fan by hand. It should feel a small but significant resistance. If the fan rotates freely, replace the clutch.

Replacement

PERFORMANCE ORDER

  1. Disconnect the negative wire from the battery. Give fixing screws and lift the fan shroud, revealing slits in the bottom bracket of the radiator, then move through the fan casing.
  1. Give bolts of fastening the fan housing.
Details of the cooling fan assembly of the V8 engine
  1. To remove the fan for V8 engines require a special tool, which can be purchased in almost any of the shops of automobile accessories. The fan is attached to the water pump through a large central nut, which is part of the fan drive. The tool captures the four bolts pump pulley, while the center nut is given a big key (thread and give the right nut should be counter-clockwise). Sometimes the pump pulley can be fixed quite strongly pressed ribbon-type drive belt, but if the fan stood on the car long enough, the use of the instrument is inevitable. Fan 6-cylinder engine is attached to the water pump using the four studs and nuts; Give nuts and remove the fan assembly with the clutch with studs.
  2. Remove the fan assembly from the coupling and its housing from the engine compartment.
  1. Remove the fan assembly from the coupling and coupling guard.
  1. Inspect the condition of the blades of the impeller. In case of defects, replace the fan.
  2. At this stage impeller may be of otbolchena clutch (if the need arises). Store the fan should, after putting down the side facing the radiator.
  1. Take the four bolts and separate from the impeller clutch - coupling should be kept putting DOWN necessarily facing the radiator side.
  1. Install in reverse order. Track reliability and uniformity tightening nuts and impeller clutch.




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Check of functioning and thermostat replacement
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Check the operation and to replace the coolant temperature sensor

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